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• Motherboard not recognizing memory anymore

  - by root

  I bought some new RAM and installed it on my motherboard. But, the BIOS would not post. There's an LED on my motherboard that shows error codes, and it showed the error: No usable memory detected. So, I removed the new memory and reinstalled the old memory, thus restoring the computer back to its original configuration. But, the BIOS still would not post, still giving the error: No usable memory detected. I've ensured that the memory and power headers are seated properly. I've tried all possible combinations of memory slots, and I've also reset the CMOS, but the error remains the same. The computer was working fine before I tried upgrading the memory, and I originally assembled the computer myself. What are some possible causes of this problem?

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• No image from graphics card but image from onboard video

  - by ReAzem

  I have an HD 5970 running on a P8Z68-v LE motherboard and I have no image comming out of the graphic card. When I plug my screen on my motherboard, I see the bios and the OS. When I plug my screen on the graphic card, I don't see anything. I know that the graphic card works because I have tested it on another computer. I know the motherboard works because I tested it with another graphic card and it worked. I know that the graphic card works with the computer because I have another computer with a P8Z68-LE and an HD 5970. I know it is not an OS issue because I should atleast be able to see the bios. I have tried unplugging my HDDs so that the OS dont interfere with anything. Using a 1000W power supply Using another HD5970 on the computer works. So this is a problem with my HD5970, but why is the graphic card working on my other computer?

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• PC reboots instead of shutting down, no software problem. What could be the cause?

  - by DaVinci

  Hi, first of all: I'm not sure if superuser is the right site for my question and google didn't help. I have a pc here that prefers rebooting to shuting down. Everytime I try to shut the pc down it reboots, however it is possible to turn the pc off by pressing the power button. The problem is not windows-specific, the Ubuntu LiveCD does exactly the same that's why I said that it is no software problem. I checked wake on LAN, it is disabled and I also resetted the BIOS settings to factory default. That might not mean that it can't be a BIOS problem but I don't know what else to try here. I did not check any hardware yet but nothing exploded so far. I don't know what could have caused this behaviour as it is not my PC. The Mainboard is a ASUS P5Q-E P45.

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• Keyboard/Mouse not working when windows vista has reached login screen

  - by Jonas

  I currently have a problem with a system (vista home premium, 64bit). USB kbd/mouse will not work when windows has booted/loaded their drivers and Im stuck at the login screen with no working input devices. None of the available boot options after F8 will boot to working kbd/mouse. They work in the bios setup and they seem powered all the way until a few seconds before the login screen. Legacy USB devices is also enabled in the bios. They also work with the recovery dvd, but I am unable to start the device manager to check or uninstall the mouse/kbd drivers. Cant get devmgmt.msc nor devmgr.dll (with rundll32) to work. System repair does not detect the problem and there are no available restore points (it was disabled). Any ideas?

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• I need to make Windows 7 STOP disabling the wifi adapter when the wired LAN is connected

  - by Escobar Ceaser

  This is a Dell Latitude E6430. There is a setting in the bios to control this behavior and I have DISABLED it but it still happens. I am also running the latest bios. When I plug in a network cable the wifi adapter becomes disabled. I need it to stay enabled. What else could be making this happen? EDIT: The reason I need to do this is because with NETSH WLAN commands you can create a wifi hotspot by sharing the internet connection on the wired adapter and broadcasting a ssid on the virtual wifi nic. I do this all the time but it's not working on this laptop. I'm wondering if it's a network security thing where I am. I'm going to try from my hotel tonight and report back.

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• PCI IDE Controller

  - by mercutio

  I have a suspicion that the onboard IDE controllers may not be working. Every disk I use to setup this machine reports as damaged (using a win xp installation to test, since it gets to partition setup fastest) So, I popped an IDE PCI Controller card in, to test with, but no drives are showing up in the bios now. I went into setup and changed the BIOS settings to disable onboard IDE1 and 2 to test, but still didn't detect the drives. How do I get that working? It's a standard PC with a 160GB disk and DVD Drive on master and slave channels on a single cable, if that helps. Let me know what else I need to state.

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• Monitor does not turn on until reset

  - by eggonlegs

  I have a system with an ATI 4870 hooked up to a Samsung P2350 using DVI. My motherboard is a GA-EP45 DS4P with the latest BIOS. The situation is: I turn on my PC (with the power switch) I get a blank screen I hit reset and the PC boots up normally, i.e. the monitor turns on and This has been the case for a couple of months (Was away for a while, came back and it was the same case). I was hoping the situation would somehow fix itself but alas, nothing. I have tried numerous settings in the BIOS (Combinations of different settings of the ACPI and power saving options) and have tried different cables. Has anyone experienced this before? I don't know where to go from here. It is pretty infuriating because it means I can't put my computer to sleep, as the monitor won't come on. Any help is appreciated. Thanks

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• hp g7-1070us does not post to windows

  - by lexlyn4

  Ok basically my laptop screen is broken and only a small portion of the screen is viewable. When I boot my laptop it gets to a screen where it shows startup/hp.com. That's all I can see because of the screens state. I can enter bios bit again cannot see much. My laptop is an hp g7-1070us and I was thinking of hooking it up to a monitor then going into the bios but that's not possible unless the computer posts to windows. So I don't care about the data all I want is to boot to windows. I'm wondering if I insert a copy of windows,7 and do,a,clean install will,it work. I don't have the cd yet but working on it. I need help please

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• Sony VAIO Broken Computer Screen automatically connect to external

  - by iberos

  I have a SONY Vaio with a screen that's broken as in I only see white or black dots on the display. I would like to have it start automatically to the external, but my previous computer settings for an external display has it set on "extend" rather than "duplicate". Therefore, whenever I boot up, I have the extended screen on the external, which does me no good since I can't really do anything with my start bar still located on the broken screen. I hope that makes sense. Has anyone else run into this problem? I've seen some things about starting in BIOS. Will my broken computer screen still be able to display the contents when I'm in BIOS? How do I get there? or are there keystrokes for a Sony Vaio that will automatically let me duplicate screens or direct everything to the external? Thanks!

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• Why does my Windows computer immediately turn back on after sleep/hibernate?

  - by nbolton

  After clicking sleep or hibernate in Windows 7, my computer loads for a while and then goes into sleep mode, but not 1 second later it powers back up. The event log has no errors and no warnings appear when it comes back out of sleep/hibernation. Here's my system specifications: Asus P5KPL-VM Windows 7 I believe this is all that's relevant. I've installed the latest chipset drivers, but I'm unable to update my BIOS (but this is another matter; maybe because the motherboard in the V3-P5G31 bundle is different). I've also tried turning off the "Allow this device to wake up my computer" for the network card, keyboard, and mouse -- but this makes no difference. If flashing the BIOS is the only thing that will fix this, then I will create a new question to this effect. Maybe I should change the suspend mode from S3 to S1?

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• Function keys for ASUS n56vm not working

  - by Lars

  i have installed Ubuntu 12.10 (64bits) (3.5.0-18 kernel) on an ASUS N56VM. Most fn+key are working except for: brightness keys (fn+f5/fn+f6) don't work. fn+c - gamma keys fc+v - camera fn+space - toggle speed. I really like, at least, to have the brightness keys working. Can you help? Best Regards $ dmesg | grep -i asus [ 0.000000] DMI: ASUSTeK COMPUTER INC. N56VM/N56VM, BIOS N56VM.206 04/13/2012 [ 0.000000] ACPI: RSDP 00000000cafcc000 00024 (v02 _ASUS_) [ 0.000000] ACPI: XSDT 00000000cafcc078 00074 (v01 _ASUS_ Notebook 01072009 AMI 00010013) [ 0.000000] ACPI: FACP 00000000cafdf858 000F4 (v04 _ASUS_ Notebook 01072009 AMI 00010013) [ 0.000000] ACPI: DSDT 00000000cafcc188 136CA (v02 _ASUS_ Notebook 00000013 INTL 20091112) [ 0.000000] ACPI: APIC 00000000cafdf950 00092 (v03 _ASUS_ Notebook 01072009 AMI 00010013) [ 0.000000] ACPI: FPDT 00000000cafdf9e8 00044 (v01 _ASUS_ Notebook 01072009 AMI 00010013) [ 0.000000] ACPI: ECDT 00000000cafdfa30 000C1 (v01 _ASUS_ Notebook 01072009 AMI. 00000005) [ 0.000000] ACPI: MCFG 00000000cafdfaf8 0003C (v01 _ASUS_ Notebook 01072009 MSFT 00000097) [ 0.000000] ACPI: SLIC 00000000cafdfb38 00176 (v01 _ASUS_ Notebook 01072009 ASUS 00000001) [ 0.000000] ACPI: HPET 00000000cafdfcb0 00038 (v01 _ASUS_ Notebook 01072009 AMI. 00000005) [ 0.000000] ACPI: BGRT 00000000cafe1090 00038 (v00 _ASUS_ Notebook 01072009 ASUS 00010013) [ 9.670500] asus_wmi: ASUS WMI generic driver loaded [ 9.671627] asus_wmi: Initialization: 0x1asus_wmi: BIOS WMI version: 7.9 [ 9.671673] asus_wmi: SFUN value: 0x6a0877<6>[ 9.672086] input: Asus WMI hotkeys as /devices/platform/asus-nb-wmi/input/input4 [ 9.732438] Registered led device: asus::kbd_backlight [ 9.733242] asus_wmi: Backlight controlled by ACPI video driver

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• Boot failure on installation from a burned iso image

  - by jdamae

  I'm encountering boot failure while trying to install a Linux distro from a CD. I'm using an older PC; here are its specs: HP Pavilion a255c 2.66GHz CPU, 512MB RAM with a BIOS revision of 6/30/2003 I reclaimed an older drive (Seagate ST340810A) that seems to be working, as it's recognized in the BIOS (auto-detected). So this is not the original HDD, but a replacement. I downloaded a mini.iso of Ubuntu 10.10 that I want to install, and burned the image to a CD for install. My boot sequence is: First Boot Device [CDROM]. I disabled devices 2-4 so I can just force it to read first from the CD-ROM. This old PC also has a separate CD writer which is a Sec.Slave. The Sec.Master is the Toshiba DVD/ROM DSM-171 drive where I placed the burned Linux CD. With these settings I cannot get it to boot. I get the message "DISK BOOT FAILURE, INSERT SYSTEM DISK AND PRESS ENTER" when I start the pc with the cd (burned iso image). Would I be able to boot off a usb flash drive? Would that work?

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• Windows Embedded CE DiskPrep PowerToy

  - by Bruce Eitman

  Kurt Kennett from Microsoft has offered up a handy new tool. This tool is useful for creating a boot disk for x86 Windows CE systems that use the BIOSLoader. This is especially useful for creating disks with formats other than FAT16, which are fairly easy to create. I am letting you know about this new tool, but I have to be honest in telling you that I haven’t used it myself because it is for Windows Vista and Windows 7 – which I don’t have available right now. But you can bet that I will be setting up a virtual machine to give it a try. Here is what Kurt has to say about the tool: Download the DiskPrep Tool  DiskPrep can prepare any hard disk that can be attached to your development PC so that it can boot your X86-based Windows CE OS Design. USB disks (including disk "keys"), Compact Flash Cards, and SD cards all work if your system bios can boot from that type of media. FAT16, FAT32, and exFAT all supported. DOS is not used - the program prepares the bios loader on the disk and only uses that. If you use Windows Vista or Windows 7, you can use VHD files for VirtualPC. This allows for rapid prototyping of a self-booting system. Copyright © 2010 – Bruce Eitman All Rights Reserved

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• Enable compiz on intel core i5 (Nvidia GT330M) based laptop

  - by Eshwar

  Hi, I am trying to enable compiz on my laptop via Desktop Effects but it does not allow it. I modified the xorg.conf file as on the compiz wiki but still no luck. So can someone just tell me how to enable compiz desktop on an Intel i5 based system. This is an Arrandale processor so its got the graphics bit on the processor itself. My system also has a discrete graphics card (Nvidia GT330M - yup its those hybrid graphics combos n- not Optimus). As far as i know the nvidia gpu is not being used since the intel one is enabled and there is no bios route to disable it. The laptop is a Dell Vostro 3700 with bios version A10 I did lotsa google searches about intel compiz, etc but not a single conclusive guide as to how to enable it. so my guess is it should work out of the box. but it doesn't. glxinfo gives me: name of display: :0.0 Xlib: extension "GLX" missing on display ":0.0". Xlib: extension "GLX" missing on display ":0.0". Xlib: extension "GLX" missing on display ":0.0". Xlib: extension "GLX" missing on display ":0.0". Xlib: extension "GLX" missing on display ":0.0". Error: couldn't find RGB GLX visual or fbconfig Xlib: extension "GLX" missing on display ":0.0". Xlib: extension "GLX" missing on display ":0.0". Xlib: extension "GLX" missing on display ":0.0". Xlib: extension "GLX" missing on display ":0.0". Xlib: extension "GLX" missing on display ":0.0". Xlib: extension "GLX" missing on display ":0.0". Xlib: extension "GLX" missing on display ":0.0". 3 GLXFBConfigs: visual x bf lv rg d st colorbuffer ax dp st accumbuffer ms cav id dep cl sp sz l ci b ro r g b a bf th cl r g b a ns b eat ---------------------------------------------------------------------- Segmentation fault lsbusb gives me: 00:02.0 VGA compatible controller [0300]: Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 18) 01:00.0 VGA compatible controller [0300]: nVidia Corporation GT216 [GeForce GT 330M] [10de:0a29] (rev a2)

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• file error /boot/grub/i386-pc/normal.mod trying to repair boot, live dvd install probleml

  - by user179295

  I have seen that there are a lot of threads about this problem. I had Windows 8 installed on my series 3 samsung i5 computer and I tried to install ubuntu 13.04. This is what I did: Because of the secure boot I can't install ubuntu from the dvd. So I went in the bios and disabled secure boot and enabled ''CSM''. I went out of the bios and windows 8 couldn't boot more. So I follow a guide on this thread ( Installing on a Pre-Installed Windows 8 System (UEFI Supported) ) and on ubuntu I tried to repair the boot by inserting this code in the terminal: sudo add-apt-repository ppa:yannubuntu/boot-repair sudo apt-get update sudo apt-get install boot-repair Then I ran boot-repair and I follow all the steps. Then I reboot the sistem and saw the black screen that says: error: file '/boot/grub/i386-pc/normal mod' not found grub rescure> Now I saw a lot of guides about this problem but I can't understand how to reistall ubuntu trough the live dvd that I used to install it the first time... I put it in the computer but nothing appears.. so what should I do now? I'm a noob on ubuntu and I have read all the things about this grub 2 install and know where the problem comes from but how to start the dvd??

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• How to re-configure graphics from Intel integrated to Intel / ATI switchable?

  - by Bucic

  There are lots of 'how to get switchable graphics to work' guides but I found none on how to configure a system for switchable graphics operation on Ubuntu from the ground up, nor explaining the current driver situation for particular computer models (integrated+discrete combinations). Example: https://help.ubuntu.com/community/HybridGraphics My system being mature and on Intel integrated card also makes things complicated. System information: Ubuntu 12.04 amd64, installed clean with system configured to use only the integrated Intel card Lenovo Thinkpad T500 Intel GMA 4500MHD / ATI Mobility Radeon HD 3650 Current situation: Mature and up-to-date system with no configuration changes to what's given above. I've made a backup image of the system (Clonezilla) so regardless of what's written below let's assume it's our starting point. If something in What I have already tried is not clear you may as well diregard it. What I have already tried: Configuring BIOS to switchable graphics and: Installing Additional Hardware drivers - returned an error. Installing proprietary amd-driver-installer-12.6-legacy-x86.x86_64.run automatically - system starts to 'low-graphics mode'. Tried fixing as per https://help.ubuntu.com/community/BinaryDriverHowto/ATI#Manually_installing_Catalyst_12.6.2C_special_case_for_Intel.2BAC8-ATI_hybrid_graphics Got lost, gave up. Please note that while configuring BIOS for integrated graphics only is pretty straightforward, configuring for switchable graphics is not.

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• Installation failed with a Blank Screen

  - by Bear

  Blank Screen, no Fix I've tried works... Hardware conflict maybe? First I tried AMD64 Ubuntu desktop. I got into the boot screen, however selecting install returns 1-2 seconds of code then blank screen no-idle. Then I tried the alternate install. Worked, some additional software installs failed. Go to boot for first time, I see BIOS load then black/blank screen. No flicker or cursor... screen turns off. (I am also having issues installing any 64bit OS legit WIN 7 64 Ult., WinXP 64 PRO ISO, also WinXP 32 Legit, WinXP 64Pro ISO returns BSOD on install. All win 7 builds return with CD/DVD driver error. The only OS that installs is beta build 7000 win 7.) Please help! I am using: BIOS Build = E7696AMS V1.5 HDD = Hitachi HDP725050GLA 500.00 GB (SATA) CDD = Optiarc DVD RW AD-72 (SATA) MOBO = MSI A75MA-G55 AMD A Series Motherboard - Micro ATX, Socket FM1, AMD A75 Chipset, 1866MHz DDR3 (O.C.), SATA 6.0 Gb/s, 8-CH Audio, Gigabit LAN, SuperSpeed USB 3.0, AMD Dual Graphics Ready CPU = AMD A6-Series AD3650WNGXBOX Quad-Core A6-3650 APU - 4MB L2 Cache, 2.6GHz, Socket FM1, Radeon HD 6530D (320 Cores), Dual Graphics Ready, DirectX 11 RAM = Corsair CMZ16GX3M4A1600C9B Vengeance Desktop Memory Kit - 16GB (4x 4GB), PC3-12800, DDR3-1600MHz, 9-9-9-24 CAS Latency, Intel XMP Ready, Unbuffered

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• How to diagnose and fix Kernel Panic Fatal Machine Check error?

  - by 0x4a6f4672

  I have got a new Samsung Series 7 laptop with dual boot setup for Windows 8 and Ubuntu 12.10. A fine machine comparable to a Macbook Pro. The Ubuntu installation was quite a hassle, but with the help of Boot Repair finally it seemed to work. Or so I thought. Windows 8 starts fine, but if I want to start Ubuntu regularly the following Machine Check Exception error occurs, quite similar to this one [Hardware Error] CPU 1: Machine Check Exception: 5 Bank 6 [Hardware Error] RIP !inexact! 33 <00007fab2074598a> [Hardware Error] TSC 95b623464c ADDR fe400 MISC 3880000086 .. [similar messages for CPU 2,3 and 0] .. [Hardware Error] Machine Check: Processor context corrupt Kernel panic - not syncing: Fatal Machine Check Rebooting in 30 seconds Kernel panic does not sound good. Then it starts to reboot, and the second boot trial often works. Is it a Kernel or driver problem? The laptop has an Intel Core i7 processor. I already deactivated Hyperthreading in the BIOS, but it does not seem to help :-( I also disabled the Execute Disable Bit (EDB) flag in the BIOS. EDB is an Intel hardware-based security feature that can help reduce system exposure to viruses and malicious code. Since I disabled it, the error did occur less frequently, but it still appears occasionally :-( It seems to be the same error as described here and here. Maybe a Samsung specific Kernel problem? A similar error also happens on a Samsung Ultrabook Series 9 (which seems to be kernel bugs 49161 and 47121). At my Samsung Series 7, it still occurs for instance during booting on battery after "Checking battery state". Perhaps anyone else has an idea? These Kernel Panic errors are reallly annoying..

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• Touchpad hardware button disables keyboard too

  - by jjg

  I have an old but nice Samsung X50 running MM which has a key between the touchpad buttons which disables the touchpad. Very nice, no-one like to brush against the touchpad while typing. It seems to be a hardware feature -- a BIOS style window appears at the top left of the screen when you press it saying "touchpad off"; and when you press it again it says "touchpad on", and so it is, but now the keyboard has no effect in X, I can type nothing except to meta-ctl F1 to the console. After a reboot the problem persists; and the only way I have found to fix it is to blow away .gconf are replace it with a copy I made in happier times. Deleting/modifying .gconf/desktop/gnome/peripherals/touchpad/%gconf.xml does not fix the problem. There is no way to turn off the switch in BIOS without losing the touchpad. I would prise the thing out with a screwdriver if I could, but it's a work machine. This button is the bane of my life, hanging over me like a sword of Damocles.

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• Black screen appears when booting new install of 11.10 on my desktop, cannot access Grub menu to fix

  - by Cee

  I installed 11.10 on my desktop PC but get a black screen after the BIOS screen when I try to boot it. I was able to run 10.04.04 on my hard drive before installing 11.10 and I am also able to use 11.10 on my usb pendrive and CD ROM. I've tried unplugging all USB devices before booting and also upgrading from 11.10 to 11.10. Holding the shift key from the BIOS screen doesn't allow me to access the GRUB menu to try: Highlight the first entry, press “e” to edit it. Navigate to words “quiet splash”, delete them and type “nomodeset” in their place (without quotes). Press Ctrl + X to continue boot. Once on the desktop, go to System Administration Additional Drivers and activate the recommended drivers. So running 11.10 on my pendrive, I tried editing /etc/default/grub, commenting out the GRUB_HIDDEN_TIMEOUT setting by putting a '#' in front of it to display the grub menu and setting GRUB_TIMEOUT setting to a value greater than or equal to 1 e.g. GRUB_TIMEOUT=10. However, when I run sudo update-grub, I get: /usr/sbin/grub-probe: error: cannot find a device for / (is /dev mounted?) I get the same error with update-grub after: sudo mount /dev/sda1 /mnt and after: sudo grub-install --root-directory=/mnt /dev/sda reboot sudo update-grub Other suggestions to fix the update-grub problem: Open synaptic, then purge all the related grub installed packages and reinstall grub-pc then and finally: sudo update-grub Or use Grub Customizer http://ubuntuforums.org/showthread.php?t=1195275 What would be the best way to approach this? I'm concerned about purging "all the related grub installed packages" but if it's true some files are corrupted this would seem necessary. Also, was I executing the correct commands i.e. with mount and grub-install, before running grub-update?

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• Dock with dual external DVI monitors with Intel + Nvidia Optimus?

  - by Ryan

  I have a Dell Latitude E6420 laptop plugged into a docking station, and the dock has 2 monitors (connected with DVI). Also note that I've installed Ubuntu alongside (dual-boot) Windows 7. I can't get the dual monitors to work both on Ubuntu (either 11.10 or 12.04) and Windows 7. When I run lspci | grep VGA, I get: 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) 01:00.0 VGA compatible controller: nVidia Corporation GF108 [Quadro NVS 4200M] (rev a1) If I then reboot and uncheck Optimus setting in the BIOS during reboot, I'm able to get the dual monitors to work in Ubuntu 12.04 (but I need to configure them every boot in Nvidia Settings). When I run lspci | grep VGA, I get: 01:00.0 VGA compatible controller: NVIDIA Corporation GF119 [Quadro NVS 4200M] (rev a1) But then if I reboot into Windows (leaving the Optimus unchecked), Windows can't detect external monitors, and the resolution is unacceptably low. I've seen on many forum posts that this particular graphics card setup causes lots of headaches. I haven't been able to resolve my problem yet. How can I use my external display on my laptop with intel and nvidia video cards? How to use external displays with Intel driver on a NVidia/Intel hybrid system nVidia Optimus , Unity 3D and Dual Monitors "Just use VGA instead of DVI" isn't an option because my dock has only 1 VGA port (and 2 DVI). Switching the BIOS setting on every reboot and then reconfiguring the display settings every time is tedious, time-consuming, and impractical. Do you know how to make this work smoothly? Thanks for your help! P.S. see also: http://superuser.com/questions/434358/dell-latitude-e6420-dual-boot-ubuntu-windows-7-optimus-graphics-problems

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• Dualboot 12.04/windows 7 After installation from USB reboot straight to Windows with no option to select ubuntu and no boot loader

  - by Alkatraz

  windows 7 home premium intel i5 2500k CPU ASUSP8Z68-V PRO Motherboard GeForce GTX 570 GPU corsair 120Gb SSD (windows 7 os) WD 1tb HDD I select the USB drive in the BIOS and boot to it and choose install. i select to manually configure partitions, partition the 200gb of unallocated space on my 1Tb HDD into 16Gb swap file 30Gb / extf4 and 154Gb /home extf4. I make sure that the boot loader is installed to corsair 120Gb SSD (where the windows boot is) and installation goes smoothly. When i reboot after install it runs through bios strait into windows. I have tried upwards of a dozen times and i have also tried with linuxmint. I have also redownloaded the ISO and used two different programs to create the live usb. the installation seems to go well as i can see the partitions i have created in the windows device manager after install http://imgur.com/Wp0V1 I currently run lubuntu on my laptop but it is not a dual boot. i'm assuming this is a boot loader issue and i am assuming that inside those partitioned files in my screenshot there is a working OS of ubuntu 12.04 i just have no way of getting to it.

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• Ubuntu 11.10 won't boot on Dell XPS 8300

  - by Phil Gorman

  I have a brand new Dell Studio XPS 8300 desktop with 17-2600 cpu, H67 chipset, 8GB DDR3, 2 1TB HDDs in mirrored RAID, and AMD Radeon 6770. Dell doesn't support Ubuntu here in Australia so it came with Windows 7 and Windows software. Yes I had to pay for an O.S. and software I didn't want to get hardware I did want, all at a greatly inflated price. It's not all beer and skittles in the land of Oz. I changed boot priorities in the BIOS to DVD and ran Ubuntu 11.10 64bit from the ISO with NOMODESET. The installation reformatted all partitions to rid me of the dreaded Windows. All was well until until reboot. The BIOS does its thing, then its "The Black Screen of Death" with a blinking cursor; no boot screen, no Grub, no keyboard, no mouse. I've searched Dell and Ubuntu forums in vain. Can you help? I would be really grateful for any advice which can help turn my big expensive paperweight into a really useful machine. Thank you in anticipation kind people. Phil

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• 12.04 grub unable to boot on /sde, upgrade-grub and boot-repair failed, please help

  - by VGR

  My problem is I've 4 disks in a raid array listed as sda, sdb... sdd and grub 2 refuses to boot on /sde (the 5th disk, standalone and containing a clean install of 12.04 64 bits). I tried all solutions but all fail. (live CD/USB with grub-setup, also tried repair-grub, and tried also in the "grub rescue" set prefix= etc). I also tried to deactivate the RAID array in the BIOS, but I'd rather not destroy it, and I didn't find a way to make the standalone disk as '/sda1' (this would satisfy grub). In the BIOS, the would-be /sda is the only bootable hard disk; it ends up as /sde and grubs complains. I've made repair-grub issue a pastebin. I always end up in grub-rescue and I'm stuck. I need Ubuntu to boot so that I can add the device array handler for my disks. I can't switch the disks and I can't disconnect the SATA RAID controller. I need: (a) a workaround so that grub starts on /sde; or (b) a way to change the order in which Ubuntu sees the disks, at boot time. I could then provide grub with a /sda1. Thanks a lot. up please thanks a lot it's not the same problem as booting ubuntu from raid. My RAID array serves only of data repository windows had no problem with this configuration

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• Disk failure is imminent Laptop Hard drive ~5 months old

  - by Drew

  There's another post about this, but I don't have enough 'points' to say anything on that thread. So I'll start my own ... with more details! My computer still boots, but gnome domain reports problems with HDD smart. This has been confirmed in the bios as it makes me press f1 to boot up now. I tried running HDD disk check in the bios, but it fails running the tests. As in, running the tests failed not that the tests themselves indicated a failed drive. Here is what disk utility is reporting as failing: Reallocated Sector Count FAILING Normalized: 132 Worst: 132 Threshold: 140 Value: 544 Current Pending Sector Count WARNING Normalized: 200 Worst: 1 Threshold: 0 Value: 2 Is this related to the insane number of DRDY errors on the drive? kernel: [51345.233069] ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 kernel: [51345.233076] ata1.00: BMDMA stat 0x4 kernel: [51345.233081] ata1.00: failed command: READ DMA kernel: [51345.233090] ata1.00: cmd c8/00:00:00:8b:4a/00:00:00:00:00/e0 tag 0 dma 131072 in kernel: [51345.233092] res 51/40:00:a8:8b:4a/10:04:00:00:00/e0 Emask 0x9 (media error) kernel: [51345.233097] ata1.00: status: { DRDY ERR } kernel: [51345.233103] ata1.00: error: { UNC } kernel: [51345.291929] ata1.00: configured for UDMA/100 kernel: [51345.291944] ata1: EH complete kernel: [51347.682748] ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 kernel: [51347.682754] ata1.00: BMDMA stat 0x4 kernel: [51347.682759] ata1.00: failed command: READ DMA kernel: [51347.682768] ata1.00: cmd c8/00:00:00:8b:4a/00:00:00:00:00/e0 tag 0 dma 131072 in kernel: [51347.682770] res 51/40:00:a8:8b:4a/10:04:00:00:00/e0 Emask 0x9 (media error) kernel: [51347.682774] ata1.00: status: { DRDY ERR } kernel: [51347.682777] ata1.00: error: { UNC } Did Ubuntu 10.10 and/or EXT4 eat my work laptop? What steps can I take to backup my important information, which is probably the home folder. Please include steps to recover my data on the new hard drive as well. It does me little good to have backups I can't use.

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