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• How to dual boot Ubuntu 12.10 and Windows XP sp3 on Dell Dimension 8250 desktop using 2 hard drives

  - by user106055

  I'd like instructions to dual boot Ubuntu 12.10 and Windows XP (sp3) on my desktop Dell Dimension 8250 (this is old and has 1.5 GB RAM which is maximum). I will be using 2 hard drives. Windows XP is already on a 120 GB drive and and Ubuntu 12.10 will go on a separate 80 GB hard drive. Both drives are IDE using a 80 conductor cable where the 40 pin blue connector connects to the motherboard. The middle connector is gray and is "normally" used for slave (device 1) and the black connector at the very end of the cable is meant for the master drive (device 0) or a single drive if only one is used. First, I do not wish the XP drive to have its boot modified by Ubuntu in any way. It should remain untouched...virgin. Let me know where the XP drive and the Ubuntu drive should be connected based upon the cable I've mentioned above, as well as jumper settings for both during the whole process. I'm just guessing, but should I remove the XP drive and put the empty Ubuntu drive in its place and install Ubuntu? By the way, I already have made the DVD ISO disk. For your information, the BIOS for this machine is version A03. When I tap F12 to get to the boot menu, I have the following choices: Normal (this will take me to a black screen with white type giving me the choice to boot to XP or to my external USB backup recovery drive) Diskette Drive Hard-Disk Drive c: IDE CD-ROM Drive (Note that if the CD Drive is empty, it will then go to the DVD drive) System Setup IDE Drive Diagnostics Boot to Utility Partition (This is Dell's various testing utilities) Thank you in advance for your help. Guy

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• Data recovery on a Samsung SV1203N HDD

  - by Jim Conace

  Let me start by saying that I am a beginner in Ubuntu, but pretty knowledgeable with Windows. I am having a strange problem trying to recover data from a Samsung SV1203N HDD (120 GiB). I have tried numerous things in both Windows 7 and Ubuntu 12.04 LTS (on a flash drive, an external HDD and a Live CD). This drive has some very important data on it and I am praying some of you Ubuntu geeks can help me get it back. Here's my problem. The HDD is clicking while I am booting, but it stops when I get into Ubuntu or Windows. It refuses to be detected in the bios, so I cant perform any tests on it. I have tried numerous things in both Windows (repair CD, Jumpers, etc.) and Ubuntu (Boot-Fix, GParted, Testdisk, Photorec, forcing a mount, etc.). But it all seems to lead me back to the fact that the drive is not being recognized in the BIOS. I've even tried chilling the drive in the fridge, which worked well for another drive I work on, and I recovered all of the data in Ubuntu flawlessly. I am assuming that since the drive stops clicking when I get into the OS' that there is hope for recovery. I am going to try an IDE/SATA to USB cable, and replacing the Logic Board, but I want to exhaust all other possibilities before I do that. Any help would be greatly appreciated Bye

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• Crackling sound from right laptop speaker

  - by user1880405

  This problem lasts for several months already (first on Ubuntu 13.10, not on 12.04. I get very loud cracking/popping sound from my right Asus K56C's speaker, I searched everything but could not get rid of it. Several facts: There is no problem on Windows 8. It has nothing to do with applications running because it appears even before login screen of Ubuntu. Also same problem if I boot from Live USB. Muting sound will remove noise, but lowering volume has no effect. Inserting any headphones, removes the noise. If I disconnect power cable while there is noise, noise will always disappear, but only if there is no music playing. If I start playing music, noise again appear even with power cable disconnected. Sometimes that noise disappears for 1-4 weeks, and then again appears for no reason and lasts from several days to weeks. That noise is always the same, and I tried adding tsched=0 to /etc/pulse/default.pa. Also tried this PositionReporting fix, with no effect. I also tried disconnecting all the cables and removing all electronic devices around laptop, but it has no effect. I also tried removing Pulse Audio, didn't change anything. Would be great if someone has some real solution for this problem.

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• List of Asus U46 laptop troubles with Ubuntu 12.04

  - by Cybertib

  I've bought my ASUS U46 last february. I would like to make it work better with Ubuntu 12.04. Note taht I was forced to install Ubuntu 12.04 (before its publication) by ethernet. After a successfull install, several problem remain unfixed such as : USB 3 just does not work correctly. Can be fixed, but I didn't succeed yet. Nvidia Optimus (means that you can use Intel Chipset or the Nvidia GeForce) is possible to use thanks to BumbleBee project. It seems to work, though. But Nvidia tools still say they don't see any Nvidia driver installed. Battery duration can be optimised by using Laptop-tools. Any standby state lead to a X server crash. A good CTRL+ALT+F1 login and "shutdown -r" avoids a brutal power off. And since few weeks, I have some bug reports right after boot about "unattended-upgrade", and dpkg troubles after any apt-get install or update (Linux kernel doesn't compile anymore), ... Are there any ways to fix those troubles ? I would need a bit of assistance, in fact. Thank you for you help, Sincerly yours, Thibault

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• Laser range finder, what language to use? Beginner advice

  - by DrOnline

  I hope this is the right place. I am a programming beginner, and I want to make a laser range finder, and I need advice about how to proceed etc. In a few weeks I will get a lot of dirt cheap 3-5V lasers and some cheap usb webcams. I will point the laser and webcam in parallel, and somehow use trigonometry and programming to determined distance. I have seen online that others made done it this way, I have purposefully not looked at the details too much because I want to develop it on my own, and learn, but I know the general outline. I have a general idea of how to proceed. The program loads in a picture from the webcam, and I dunno how images work really, but I imagine there is a format that is basically an array of RGB values.. is this right? I will load in the red values, and find the most red one. I know the height difference between the laser and the cam. I know the center dot in the image, I know the redmost dot. I'm sure there's some way to figure out some range there. TO THE POINT: 1) Is my reasoning sound thus far, especially in terms of image analysis? I don't need complete solutions, just general points 2) What I need to figure out, is what platform to use. I have an arduino... apparently, I've read it's too weak to process images. Read that online. I know some C I know some Python I have Matlab. Which is the best option? I do not need high sampling rates, I have not decided on whether it should be automated or whether I should make a GUI with a button to press for samples. I will keep it simple and expand I think. I also do not need it to be super accurate, I'm just having fun here. Advice!

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• Win7 and Ubuntu refuse to coexist

  - by Jeremy

  I'll make this quick: I have an HP laptop with win7, I installed Ubuntu on a separate partition, and when I tried to boot win7 from grub I got the loading screen and no progress-ever. I did a /fixmbr with the windows recovery cd and got back windows, but wiped out grub and my access to Ubuntu. I reinstalled grub from the Ubuntu live usb ( I know I did this correctly) and now windows won't boot, again. I'm a linux noob at a loss. Your wisdom is greatly appreciated! Update in response to Scott Severance: your instructions say to determine the main partition on my computer. I'm not sure what this means... my windows partition is at sda2, my boot partition is at sda1, and my linux root partition is at sda7... Which is the "main" partition? UPDATE: I determined that you were probably referring to the linux root(/) partition, because this was the only partition for which I could follow your instructions without errors. Now, Windows is booting fine (thanks to /fixmbr), but even after the grub instructions there is no grub. It boots straight into windows.

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• Trouble installing from disk

  - by SuperNatural

  I'm writing this in desperation, Windows is slowly killing me and i need to change my home pc os to Ubuntu 11.04 as soon as possible. I created a USB flash drive to install ubuntu, twice, and both times they failed to begin install on restart of my pc. i read on another forum that you might have to change some boot sequence in BIOS but when pressing F2 to enter it didnt work. After a lot of cursing, I made myself an UBUNTU install cd and booted. To my excitement, it now displayed... try ubuntu and install ubuntu. i clicked install ubuntu which lead me to the preparing to install ubuntu display, i checked download updates while installing and clicked forward. The very next display is ' allocate drive space ' i assume there are meant to be options of drives provided but mine is just a blank box and underneath all the options to create a new partition table, add, change, delete and revert are all greyed out. There is a drop down menu labelled 'device for boot loader installlation' but the only option is /dev/sda. when i click install, a no root file system error comes up telling me to please correct from the partitioning menu. I am extremely frustrated. please!! can anyone help me...

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• How to prevent computer from automatically sleeping and/or hibernating?

  - by mehaase

  I'm running Ubuntu 12.04, and my laptop* won't wake from sleep/suspend/hibernate. (Is sleep the same thing as suspend?) I'm not even sure which of these things it's doing. When I am done working for the day, I lock my screen (Control-Alt-L). When I come back the next day, the screen is in power saving mode, and no amount of typing or clicking (on the usb keyboard/mouse or the builtin keyboard/trackpad) nor tapping the power button will bring it back to life. The only way I can get my machine to work is to hold down the power button until it shuts off, then press the power button again to turn it back on. Obviously, anything I had open from the previous day is pretty much gone -- in particular, my VMs all get rudely shut down without any warning. This is driving me INSANE. I spend the first hour of every work day trying to figure out how to get my computer to stop locking up over night. What I've tried: Editing the org.freedesktop.upower.policy to disable suspend and hibernate. Setting power management options in "Power" section of "System Settings". Looking at all power management options in the BIOS (none appear to be relevant to sleep/suspend/hibernate). Reading every forum post/askubuntu post that I can find that's even tangentially related to the subject. My question: how to disable the automatic sleep and/or hibernate (and/or anything similar) in Ubuntu 12.04. I don't care if it's still possible to sleep/suspend/hibernate/whatever by pushing buttons or running some command or reciting led zeppelin lyrics backwards. I just want my laptop to be ready for work in the morning. *The laptop is a Dell Latitude something or other. I don't want to get too specific because I've seen a lot of similar questions get closed for being too specific. I think my question is generic enough to stand -- it's a question about the latest, stable version of Ubuntu.

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• Help reinstalling Ubuntu on macbook pro

  - by pipsqueaker117

  Ok. I recently installed ubuntu on my macbook pro. Unfortunately, while trying to install the nvidia graphics drivers the system wouldn't reboot, the screen grey for hours. I concluded that I had broken ubuntu, and proceeded to boot into osx and remove the ubuntu partitions. After I had done that, after a reboot, I noticed that "boot linux from hd" was still listed in the bootloader (i'm using rEFIT). I dismissed it. Now, I'm trying to reinstall ubuntu, using the same USB that I successfully installed with earlier. Now, however, when the ubuntu installer is on the "copying files" part this error (more or less) pops up. ERRNO 5: We're sorry, the installer crashed. This error frequently is caused by faulty installation media, the hard disk being too hot... and so on and so forth. I'm not sure what's causing the problem, but I have a hunch that whatever's the reason that's causing linux to show up in rEFIT is the root reason. If anyone could respond, that would be great. PS, and unfortunately no, i do not have a time machine backup.

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• Cannot find GRUB - Ubuntu/Windows 8 dual-boot

  - by ubeatlenine

  Hello Ubuntu community, I find myself in an interesting situation. I have a Dell Inspiron 531 with Windows Vista. Recently my brother decided it would be a good idea to overwrite Vista with the Windows 8 consumer preview. Since we have had this PC for a very long time, we have long since lost the Vista CD, and according to the Windows 8 preview website you cannot recover your previous OS without it. I thought this would be a good opportunity to try out Ubuntu (since we obviously cannot keep the preview as an OS), but it appears that Ubuntu 11.10 Desktop is not compatible with Win8. Ubuntu doesn't run from the LiveUSB I made, instead it freezes on the loading screen and then disintegrates into black and white stripes. I blamed this failure on Ubuntu not being compatible with win8 yet and tried to install Ubuntu from the USB on a partition made from the remaining space on my hard drive - about 100GB. However the installer crashed while loading modules and told me I didn't have enough disk space. Since then, I have not been able to load either Ubuntu or Windows, BIOS is shifted over to the left of my screen, and I always get the same message: error: unknown filesystem grub rescue> typing "ls" at the prompt gives me the following: (hd0) (hd0,msdos7) (hd0,msdos6) (hd0,msdos5) (hd0,msdos2) (hd0,msdos1) does this mean I have multiple partitions running windows on my computer? Is it possible to recover Vista without the disk? Are all of my problems stemming from Ubuntu not being compatible with Win8 preview? (I realize the majority of my questions are about Windows, but seeing as the prompt I get is for grub I thought I would ask here first.) Any insight anyone has on this predicament would be greatly appreciated.

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• Just installed Ubuntu 12.04. When booting, all I get is a black screen with cursor

  - by user66378

  Installation appears to go fine. After rebooting, I get my motherboard loading screens, but when it comes time for Ubuntu to boot, I just get a black screen with a blinking white underscore in the top-left - same as I got when waiting for the install CD to load, except it lasts forever. The only keypress it seems to recognize is ctrl+alt+del, which reboots. Letters don't register, function keys w/ or w/o modifiers do nothing. I've installed Ubuntu 12.04 twice and got the same error. The first time, I installed it as the only OS, and had it take up the whole disk. The second time, I installed Windows 7 first, then Ubuntu by specifying custom partitions. After this install, it would boot straight to Windows without showing grub. I used EasyBCD to add the Ubuntu installation to grub, and this got grub to show, and let me select it, but it led back to the same error described up top. I've had Linux Mint 11 and 12 installed on this PC, but was unable to get previous versions of Ubuntu to install (always had errors while installing, not after). Hardware: Intel Core i7-2600K Sandy Bridge 3.4GHz (3.8GHz Turbo Boost) LGA 1155 ASUS SABERTOOTH P67 (REV 3.0) LGA 1155 Intel P67 SATA 6Gb/s USB 3.0 ATX Intel Motherboard EVGA 01G-P3-1371-TR GeForce GTX 460 (Fermi) CORSAIR Vengeance 16GB (4 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Western Digital RE4 WD5003ABYX 500GB 7200 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive

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• Ubuntu Not Waking From Suspend

  - by thenorm

  I'm running Ubuntu 12.04 (not wubi, usb install) alongside Windows 7 on my Toshiba Satellite Laptop Series L655D-S5050 I have a couple of issues, Ubuntu will not wake from suspend when closing the lid. It will show the Ubuntu screen then go to black and spit out some quick text before the screen will just flicker, as if trying to wake up. I've been googling around looking for a fix but nothing seems to help. Maybe it has something to do with the drivers? I checked additional drivers in the system settings, but it says there are no drivers present. Any ideas? Also, this issue isn't present all the time. But sometimes when I go to shutdown or restart Ubuntu, it will just loops to the login screen. Thank you, for any input or help! Also I can get some logs of these issues, but not really sure how to go about all of that. I'm not to familiar with ubuntu, as i've only been using the desktop version for a couple months now.

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• Battery life low on notebook using ubuntu 11.10 vs. windows 7

  - by les

  Im using a brand new Dell XPS notebook (bought mar 2012) which has 4.5 hrs battery life using a 6 cell battery-when i use windows 7. The machine uses an Intel core 17 2670qm processor, and a 64 bit operating system. I downloaded Ubuntu 11.10 and installed it on a USB drive, which is how i use it. I still have Windows 7 on the machine. When the machine is booting up I hit F12, and run Ubuntu from the flash drive instead of the machine booting Windows, as it normally would. On the Ubuntu menu, on the top right area, there is a battery menu, which shows how long to charge battery, or how much life left etc..with a fully charged battery the most Ubuntu will give me is 1.5 hrs. I've adjusted all power setting etc by clicking on the battery meter where i can make these adjustments, and have even turned down the brightness on the monitor. I've read through these questions here, and a user wrote to install Ubuntu 12(?)(the alpha version) when it's out this month(april), and this has better power management. Other forums (Ubuntu wiki) state that windows 7 controls power management effectively because it's configured to work with the hardware. I'd like to install Ubuntu and wipe windows but can't because of this issue. I need my notebook to go hours, not an hour and a bit. Can anybody recommend possibly a good software to use, that will work with the machines bios under Ubuntu? Another thought of mine, is- since I didn't yet wipe windows off my hard disk, is windows still possibly controlling the power mgmt aspect on the machine? I've thought of calling tech support at Dell and asking for help there, maybe Dell has something (a tweak?), I can download that'll work under Ubuntu. Looking forward to any help/suggestions i can get here, i'm really stuck on this..

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• Switching To Ubuntu 14.04 from Windows 8.1

  - by Asangam

  everyone i am newto these linux stuffs. Currently i'm a user of Windows8.1 . When windows 8 was roling out i was like i'm never going to leave and will be always stick to windows8 but now i think it's time to switch linux because being in windows forever i don't think i can do something very good .I wanted to be OpenSource :) . So i really dont have any idea about linux . For me the best distro is Ubuntu and Kubuntu offcourse the latest release . So what i'm afraid of switching to linux is its compability .The compatibility i'm talking about is with the hardware's and driver's . For eg sometime after fresh install of windows we need to install the display,usb and wifi drivers to function . For some computer or brands those driver's are hard to find and i can't even think of linux how hard are they to find if it needs installing drivers. So my main question is that do i need to install the drivers for my wifi adapters display and some other stuffs or the distro i choosed i.e Ubuntu 14.0.4 consists of those dirvers and what about the 64 and 32bit . My machines is 64bit aso do i need to install the 64bit one . I mean i know the advantages of installing the 64 bit one but like windows is it kinda hard to find softwares for the 64 bit one . Or the 32 bit is recommended . And Yes I will be highly appreciated for the answers to my questions . Thank You :)

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• Lost all non-linux hard drives

  - by Rick

  I've somehow lost access to all my non-linux drives. I'm not sure how. I have two other hard drives set up (a windows boot and an external usb I was using under windowsxp). A few days ago I could access both under linux with no problem. Now, I see them listed under media, but when I click on them, nothing is there (same thing happens when I go there in a term window). Now, the computer (under linux) sees them, but I can't see anything in them. (in nautilus it shows "(Empty)") Any ideas what happened or how to get access to them again? My guesses as to what might have caused it: -I was trying to set up AdobeAIR (unsuccessfully) and had to make and remove a couple of symbolic links. Never got that to work but maybe links I made or removed did something? -I was also trying to set up nautilus so that I could enter it with sudo permission. I also didn't figure out how to do that successfully, but maybe something I did while trying messed it up? (I think I installed and uninstalled nautilus-actions configuration tool). Note: I'm working on a relatively new install of 12.04

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• "drm:[drm_crtc_helper_set_config] *ERROR* failed to set mode on [CRTC6]" during install

  - by Warez J. Coxtrong

  I have a desktop PC which I built a while back. It has an Athlon XP 2500+, 2.5GB RAM, and an Nvidia (PNY Verto) Geforce 6200. I removed the CD drive to add another hard drive so I install from a USB flash drive. When I try to install 12.04 it seems to work just fine. The GUI boots up and wifi even connects to my router. I go through the language screen, the partition screen, the keyboard screen, the location screen, and the import my Windows settings screen just fine. But as soon as I'm done with all that the next screen goes black and displays this message: drm:[drm_crtc_helper_set_config] *ERROR* failed to set mode on [CRTC6] Since the GUI starts just fine earlier during the install, I know I shouldn't be having any display problems, but I am. How do I get Ubuntu to install properly? I have four IDE hard drives, all Western Digital: a 250GB, a 160GB, a 40GB occupied by Windows XP, and a 120GB that I'm trying to use for Ubuntu. 3GB of the 120GB drive are formatted for swap. I have checked the MD5sum of install image file and it all matches up. d791352694374f1c478779f7f4447a3f ubuntu-12.04-desktop-i386.iso

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• Ubuntu works in try out but not when installed, how to fix?

  - by QVaren

  I've got quite a problem with it, perhaps the problem lies with me but I thought I fixed it, I believe the opposite now... Anyhow, I started off with a 64-Bit Windows 7 platform and I wanted something new then the same boring windows, I heard about Ubuntu before but I didn't see a reason to change it. Now I had found my reason, so what did I do was do the installation via an USB, I went "try out before installation" first and it worked perfectly, however... When I installed it, deleted my Window 7 and tried to reboot with my fresh oh-so-clean new OS, it didn't want to load. At a certain point it said to boot up from a bootable option or something like that. Where it came to was that I couldn't load it up. Now, I wanted to switch back to Windows 7 because it didn't work and now I can't switch back because my harddrive switched modus because of Linux files (From NTFS to 4ex or something, I forgot). I'm currently typing this in the try out version of Ubuntu since I can't switch back to either Windows 7 or to the installed version of Ubuntu. So, my question follows: Can I fix it by keeping Ubuntu? Because I like Ubuntu. Also a side note: I'm a total noob when it comes down to this sort of things.

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• Mobile (Portable) Website

  - by johnny_s

  I have an online presentation to do next week and I have it all ready to go. The website is html and css only (no db), and currently resides on my shared hosting account. Now although my shared hosting is (relatively) reliable, I have noticed that recently they have been making some changes and my website has been unavailable at times. I don't want this to happen to me on the morning of my presentation, so I am asking what is the best way to prepare for such a thing? My domain is www.presentation.mydomain.com and I would like to keep this if possible (even if issues arise). I have been thinking of a few alternatives; host my site on two different domains or servers (but what about domain name)? have a portable XAMPP version on a USB (again, domain name)? possible fail-over site/location? Any advice or suggestions are welcome. Update Presentation will be carried out on their laptop, not mine. So I am unable to install any software.

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• Weird internet connection issue on Ubuntu 14.04

  - by user287876

  I have an old Gateway PC with Windows 7 installed alongside the original (XP, I think?). A while ago my friend walked me through and helped me install Ubuntu 14.04 alongside the others because my Win7 was having issues with the display driver (it would unexpectedly crash while trying to watch videos on YouTube or other places). And I can't update it because the original computer settings are for XP or something, not Win7. :( We recently switched from AT&T U-Verse to Comcast. I would have stayed with Ethernet, but somehow the adapter I have wouldn't connect to Comcast's thing during their installation. So I was given a wireless USB adapter. It worked fine, up until the last few days. It's not a problem on Win7 (using it right now). Connection's strong, things load. On Ubuntu though, it SAYS it connects even before I login to my account, but when I login and bring up Firefox, it will load the homepage, and maybe one or two other pages I venture to before suddenly just... endlessly trying to load the page. I would normally go in and manually select 'disconnect' from the connections options menu to refresh/restart it like I've done a few times already. But lately, it won't respond, and then a little while later an error message comes up saying the request timed out/failed. Restarting my computer doesn't help it. The other weird thing is that I've noticed the signal (when it's actually working properly before the last few days) is comparitively weaker than when I'm on Win7. But my location doesn't change. It's the same computer, same connection.

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• Trouble installing Ubuntu.

  - by CV13

  I have a blank 1TB hard drive that I have run ubuntu on before. I recently formatted it and am trying to reinstall Ubuntu 12.04 LTS on there. Using the Universal USB installer and the 64-bit iso file, I booted up my computer with only my 1TB hard drive connected. I go through the installation process normally, until I restart my computer at the end. Once restarted, I start to experience the problem deal with here. When I run it normally, it goes to a black screen with a blinking cursor. When I select the "Recovery Mode" option, a bunch of lines scroll across the screen, the last of which is "hostap_pci: Registered netdevice wifi0". It then stops there with a blinking cursor. When I follow the instructions on the page I linked to (replacing "quiet splash" with "nomodeset") and bunch of lines scroll through after I press Ctrl+x. The last line displayed is Adding 8386556k swap on /dev/sda5. Priority:-1 extents:1 across: 8386556k It then stops there with a blinking cursor. How do I fix this problem?

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• Enable wireless greyed out. Disabled by hard switch. Details inside

  - by ltlunatic

  Ok so the basic issue here is this: My wireless has not once enabled through many environments. Wubi install: Enable wireless greyed out Live cd: greyed out Partition alongside win7: greyed out. I installed all software updates, checked additional drivers, installed the latest driver for RTL8111/8168B. rfkill list shows phy0 and phy1. Phy0 has a hardblock on. everything else is unblocked. Now consider this also: I have both a wireless adapter inside my laptop and a wireless usb adapter outside. The internal adapter does not work, hence why I think hardblock is on even if the external slider in 'on'. I have tried commands such as rfkill unblock all as well as sudo rfkill unblock all. No wireless options in the BIOS. I have tried another laptop and desktop and they get wireless from the get go. Ubuntu on my laptop seems to see my belkin adapter as well as my internal (ralink) one. But trying to scan networks yields no results and says network is down always. Ubuntu version: 12.04 lts Ask me anything else you may need to help me, thanks.

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• Java EE 6???????????WebLogic Server 12c????

  - by ???02

  Java EE 6?Java SE 7?????????200??????????/???????WebLogic Server 12c??????????????????????????????????????????????????????????????? ?????2??????WebLogic Server 12c???/??????????????????????????????????????????????????????????(???) Eclipse?NetBeans?JDeveloper????IDE?????????? WebLogic Server 12c????????????????????????? Fusion Middleware?????? ????????? Cloud Application Foundation???????? ???????????????????? WebLogic Server 12c????????????????????????/??????????????POJO???????·??????????XML???????????Java EE 6???????????????????WebLogic Server 12c??????????????????????????????? 1????????????????????????????????????????????????NetBeans IDE???Eclipse???Oracle Enterprise Pack for Eclipse 12c????????????Oracle JDeveloper??IDE???????????(JDeveloper???Java EE 6?????)? ???Oracle Enterprise Pack for Eclipse 12c??????????Eclipse????????????Eclipse????????Java EE 6???????????????????????????????Java SE 7????????????????????????Eclipse????WebLogic Server 12c??????Java EE?????????????????? JRockit Mission Control?Eclipse??????? WebLogic Server????????????????????????/??????Oracle JRockit Mission Control (JRMC) 4.1?????????????WebLogic Server 12c????????JRMC???????????????OutOfMemory????????????????????????????????????????????????????????????????????????4.1??????Mac OS X?Solaris?????HotSpot/Solaris?DTrace???????????????????????????????? ????WebLogic Server 12c?????JRMC ?Eclipse??????????????????Eclipse??JRMC????????????????????????????Eclipse?????????????????????????????????????????????????? Maven??????????????????? ????????????????????Apache Maven????????????????????????????????Maven??????????????????????????????????????????????????????????????????????? WebLogic Server???????Maven???????????????WebLogic Server???????????????????????????????????/??/??/?????????Maven??????????? ????????WebLogic Server 12c????????????ZIP????????????????WebLogic Server????????WebLogic????????WebLogic Server?????????/???????????????????????????Maven?????????????????????????????????????????????? ???168MB?ZIP??????????????????????????? ???????Maven???????????????????????????????????ZIP????????????????? ZIP?????????????????????WebLogic Server????????????????WebLogic Server ?????ZIP?????????????????????WebLogic Server?????????????????????????????????????????? ???WebLogic Server 12c??ZIP????????????????168MB??????????????????USB?????????????????????????????? ??ZIP????????????Maven??????????????????????????????????????????????????????????????Maven???????????????????????????????WebLogic Server??????????????????????Maven?????????????????ZIP????????????????????????????????????????? ????????????????????·????????? WebLogic Server 12c???????????????????????????????????????????????????????????·?????????(CAT:Classloader Analysis Tool)?????????? ???Java EE?????Struts?Spring Framework????????????·?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? ??????????????????????CAT????CAT??????????????????????????WebLogic Server????????????????????????????????????/??????????????????????/??????????????????????????????????CAT? “?????”?????????WebLogic Server?????????????? ??????WebLogic Server 12c?????????????????????????????????Java EE???????????????????????????????????????????WebLogic Server 12c???/???????????????????

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• Can't turn off display - 13.10 / iMac

  - by user209883

  I can find no way to completely turn off the display on a late 2013 iMac running 13.10 (Saucy). In the power management settings, I configured the display to "turn off" after one minute to see what would happen. The dimness goes all the way down and everything disappears, BUT the LED backlight remains on. When I try the "xset dpms force off" command, absolutely nothing happens--the command is accepted (no error or warning), but nothing changes. I then wiped everything clean and installed 13.04 (Raring). Both methods (dpms and waiting for sleep) work perfectly there, so something has changed in this new version. The problem can be replicated simply by booting from a bootable USB stick. So, I also gave version 14.04 (Trusty) a try in this manner and it has the exact same issues as 13.10. P.S. I would gladly use 13.04, but the catch there is that I can not get the network card to function. I have spent a week now reading everything i can find on both of these matters with no luck at all. Thank you in advance for any advice.

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• Club Platinum 2010 ??! ~???:???????~

  - by Urakawa

  ?????Platinum Club??????????Platinum Club???ORACLE MASTER Platinum??????????????????????????????????????Platinum Club?????????????Club Platinum?(????????)????5?19??????????!   ??????Oracle Database?????????????????????????? ?????????? ?????????? ?????? ?? ???????????Platinum????????????????????????? ???????????????????3?????????(?????????? ?? ????? ????? ?????????????!)????Oracle?????! DB????????Oracle Database/Exadata ??7???????????3???????!?????????????????????????????? ???????Oracle Database 11g R2?????????ASM????????????(ACFS)???RAC One Node??????????????????????????USB???????????ACFS???????????!????????!????????!?????????????????????   ???????Oracle Exadata??Exadata Smart Flash Cache???Data Loading?????US?Oracle Corporation???????????????????????Smart Flash Cache??????DB?Flash Cache?????Data Loading????????????????????????????????????!??Tips???!?????????????????????????????????????????????????Oracle??????????????????????????!Oracle?????? Inside the Oracle Optimizer Kevin Closson's Oracle Blog   ???????????Oracle Exadata??Exadata Smart Scan???Exadata Hybrid Columnar Compression?????????????????????????????????????????????????????????????????????·?????????????IT?????????????????????????????????????????????????Oracle Database 11g: Real-Time SQL Monitoring?SQL Monitor active report?????????????!?????????   ????????!???????????????!????????????????????Platinum Club????????????????????????????Oracle Exadata??????????????????????????????????????????????????????m(_ _)m?????? Oracle Database 11g R2 ??????(PDF) (Platinum Club????)   ???????ORACLE MASTER??????????ORACLE MASTER?????????????????? ??????? ?????????????????ORACLE MASTER???update????????????Oracle Exadata?????????????!?Oracle Database 11g???????????????ORACLE MASTER Expert????Oracle E-Business Suite???DBA??????????????????????????????????????????Blog????????????????????????????   ????1????????????????????????????????Platinum of the Year????!~???~

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• Stack Exchange Notifier Chrome Extension [v1.2.9.3 released]

  - by Vladislav Tserman

  About Stack Exchange Notifier is a handy extension for Google Chrome browser that displays your current reputation, badges on Stack Exchange sites and notifies you on reputation's changes. You will now get notified of comments on your own posts (questions and answers) and of any comments that refer to you by @username in a comment, even if you do not own the post (aka mentions). All StackExchange sites are supported. Screenshots Access Install extensions from Google Chrome Extension Gallery Platform Google Chrome browser extension Contact Created by me (Vladislav Tserman). I'm available at: vladjan (at) gmail.com Follow Stack Exchange Notifier on twitter to get notified about news and updates: http://twitter.com/se_notifier Code Written in Java, Google Web Toolkit under Eclipse Helios. Stack Exchange Notifier uses the Stack Exchange API and is powered by Google App Engine for Java. Changelog I will be porting extension to not use app engine back-end due to some limitations. New versions of the extension will be making direct calls to Stack Exchange API right from your browser. Please do not expect new versions of the extension any time soon. Sorry. Read more about limitations here http://stackapps.com/questions/1713 and here http://stackoverflow.com/questions/3949815 Currently, you may sometimes experience some issues using extension, but most users will have no problems. You may notice too many errors in the logs, but there is nothing I can do with this now. Thanks for using my little app, thanks to all of you it still works in spite of many issues with API Version 1.2.9.3 - Thursday, October 14, 2010 - Bug fix release (back-end improvements) Version 1.2.9.2 - Thursday, October 07, 2010 - Bug fix release (high rate of occasional API errors were noticed so some fixes added to handle them were possible) Version 1.2.9.1 - Tuesday, October 05, 2010 - Mostly bug fix release, back-end performance improvements - You will now get notified of comments on your own posts (questions and answers) that are not older than 1 year and of any comments that refer to you by @username in a comment, even if you do not own the post (aka mentions). This is experimental feature, let me know if you like/need it. - New 'All sites' view displays all websites from Stack Exchange network (part of new feature that is not finished yet) Version 1.2.9 - Saturday, September 25, 2010 - Fixes an issue when some users got empty Account view. - When hovering on @Username on account view the title now displays '@Username on @SiteName' to easily understand the site name Version 1.2.7 - Wednesday, September 22, 2010 - Fixed an issue with notifications. - Minor improvements Version 1.2.5 - Tuesday, September 21, 2010 - Fixed an issue where some characters in response payload raised an exception when parsing to JSON. v1.2.3 (Sunday, September 19, 2010) - Support for new OpenID providers was added (Yahoo, MyOpenID, AOL) - UI improvements - Several minor defects were fixed v1.2.2 (Thursday, September 16, 2010) - New types of notifications added. Now extension notifies you on comments that are directed to you. Comments are expandable, so clicking on comment title will expand height to accommodate all available text. - UI and error handling improvements Future Application still in beta stage. I hope you're not having any problems, but if you are, please let me know. Leave your feedback and bug reports in comments. I'm available at: vladjan (at) gmail.com. I'm working on adding new features. I want to hear from the users and incorporate as much feedback as possible into the extension. Any suggestions for improvements/features to add?

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