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• How do I turn off PCI devices?

  - by ethana2

  With the purchase of an Intel SSD and 85WHr Li-ion battery and the linking of wifi and bluetooth to my laptop's wireless switch, extensive Intel PowerTop usage, switching from compiz to metacity, stopping of the desktop-couch daemon, removal of Ubuntu One and several other services from my startup, disabling of everything possible in my BIOS, and physical removal of my optical drive, I've gotten my battery life up fairly high, but I think there's still more to be done. Specifically, when I'm in class taking notes, I want to temporarily but completely power down: Ethernet Firewire USB ports SD card reader Optical drive Webcam Sound card PCMCIA slot ..without turning them off in my BIOS like they are now, if possible, because then I have to restart my computer to use any of them. As it stands, I still haven't managed to power down: Firewire USB connection to webcam sound card How do I tell Linux to disable and power down these devices? Is it true that any PCI slot can be physically powered down? My current idle power consumption is 7.9 watts plus the screen. (10.0W at min. brightness) Also, how do I set the screen timeout to ten seconds? gconf editor isn't honoring it when I set it to that. Will switching from nVidia to Nouveau save any significant amount of power?

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• formating a hard drive for use in an asus aspire one d250

  - by paynes_bay

  I have an Asus Aspire One D250 that's out of warranty and whose hard drive is giving the click of death. I'm trying to use a spare SATA HDD I have but am having some difficulty. I have a USB CD drive that I plugged into the computer but when I tried to boot off of a Windows XP SP3 install CD the hard drive wasn't recognized. I tried to format the hard drive in another computer and then plug the hard drive into the Asus Aspire and although this gets me to the Windows XP loading screen it crashes before it gets into Windows, itself. Even in Safe Mode. I also tried to install Windows XP off of a USB stick but it seemed to hang during the install process. As in the next day it was still in the blue screen installer. Any ideas?

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• Radeon HD4850 card, ubuntu 12.04.1 LTS Installed FGLRX drivers, but still running vesa, how to solve it?

  - by user113416

  I have ati HD4850 card, ubuntu 12.04.1LTS. To begin with, after fresh instll, i installed fglrx drvers from system -- additional drivers, according to fglrxifo everything was alright, but the system was running on vesa:sem. After that, i have reinstalled and installed drivers according to many tutorials, but stille got that problem. one of the tutorial was here: What is the correct way to install ATI Catalyst Video Drivers (fglrx)? of course, i attempted to install 12.6 driver Now i have a fresh install of ubuntu and don't want to touch anything without anyone's support, because my 3 days nightmare didn't give results. what must i do to have an adequate performance of video card? Thanks in advace.

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• Display is slightly blurry on (native) 1920x1080 resolution

  - by Martin Tuskevicius

  I have a computer monitor that is approximately 23" in size. Its native resolution is 1920x1080, and Windows 7 will not allow it to be any higher. However, I cannot make the resolution a little lower as well. When I right-click on my desktop and select 'Screen resolution,' the vertical slider has only two options: 1920x1080 and 1280x720. There are no real problems that I am having besides the fact that the image is slightly blurry. I can easily make things out and see them, but I definitely feel that the image is not as clear as it could be. My graphics card is ATI Radeon HD 5450 and it has the latest graphics drivers installed. I've tried playing around with the AMD VISION Engine Control Center to see if I can change an option to make the image clearer, but I had no luck. I did find one odd thing, though. When I lowered the refresh rate from 60Hz to 50Hz, the image kind of "zoomed in" but it also became perfectly clear like I would expect it to look. The problem is that when I use 50Hz, the image zooms in a little on the center and I lose maybe an inch and a half of the screen (I do not see the bar at the top of applications, I do not see the Windows taskbar thing, etc). I figured if I could somehow zoom in so that the entire image fills the screen (not the slightly cropped version) then I would have the perfectly crisp image of 50Hz, and also the uncropped image of 60Hz. However, upon zooming in, the image began to look blurry again just like it did with 60Hz. So I am at a loss here. I do not know how to make the image look as clear as it should. I have the latest drivers (I updated them today) and I know that my monitor supports the resolution that I am trying to use. Has anybody experienced something like this before? I'd really appreciate any input - thanks! Update: I have figured out how to make the display look crisp! I set it to the 50Hz option, and then I changed the scaling through the monitor itself, rather than software. Now, however, I am finding that games look pretty bad because since it is clear, the lower quality really becomes apparent. I cannot run new games at 1080p, so I run them at the lowest resolution possible (1280x720, since it is the only other option offered, as I have mentioned). So I am wondering, is there a way to have Windows display more resolution options?

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• Resetting root password on Fedora Core 3 - serial cable access only

  - by Sensible Eddie

  A little background: We have an old rackmount server running a customised version of Fedora, manufactured by a company called Navaho. The server is a TeamCAT, running some proprietary rubbish called Freedom2. We have to keep it going - the alternative is extraordinarily expensive, and the business is not likely to be running much longer to justify changing things. Through one means or another, it has fallen upon me to try and resolve our lack of root access. The previous admin has fallen under the proverbial bus, and nobody has any clue. We have no access to the root account for this server. ssh is running on the server, and there is one account admin that we can login with, however it has no permission to do anything (ironic...) The only other way into the server is with a null-modem serial cable. This works... up to a point. I can see the BIOS, I can see the post BIOS screen, and then I see "Starting grub", followed by another screen with about four lines of Linux information, but then it stops at that point. The server continues booting, and all services come online after around two minutes, but the serial terminal displays no more information. I understand it is possible to put Linux into "single user mode" to reset a root password, but I have no idea how to do this beyond trying to interrupt it at the grub stage listed above. When I have tried it just froze. It was almost like grub had appeared (since the server did not continue booting) but I couldn't see it on the serial terminal. Which made me think maybe the grub screen has some different serial settings? I don't know... it's the first time I've ever used serial for access! A friend of mine suggested trying to use a Fedora boot CD. We could boot from USB, so something along this approach is possible but again we still can only see what's going on with the serial terminal, so it might not be achievable. Does anyone have any suggestions for things I can try? I appreciate this is a bit of a long shot, but any assistance would be invaluable. *UPDATE 1 - 28/8/12 * - we will be making some attempts on this today and will post further details later!

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• Moved VM doesnt work correctly on my Ubuntu machine

  - by tinny

  Hi I have a Windows 7 VM that I have moved onto my Ubuntu 64bit host machine that is running VMware player 3.1.0. I think the VM was created on a Windows host. The problem I have is that when I login to this VM the screen goes blank and stays that way. The login screen is fine, but the desktop never correctly appears and sort of shows some strange pixelation that is all distorted. Seems like a virtual video card issue? If I boot into safe mode the desktop appears fine. Any ideas? Thanks

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• Why doesn't my Nvidia driver support 1280*1024?

  - by Alvar

  EDIT: I think the problem is in the NVIDIA x server, that doesn't support an RGB screen from 1990. The screen was the best of them all when it was released. This a strange thing! In windows the EDID must work because 1280*1024 is used as max resolution, but in ubuntu those stuff aren't being received, so how do I tell ubuntu/nivida to find those EDID stuff? Hi, I have an external monitor which is an 20" 1280*1024. In windows 7 it works fine with that resolution but in ubuntu it can't. The screens model name is IntelliColor Display/20 and the name of the company is "radius".recived Well, twin view is working but the only maximum resolution is 1024*768. I'm using nividas x server program. If I force it to use 1280*1024 it all crashes and I have to force a reboot. alvar@alvars-laptop:~$ disper -l display DFP-0: HSD121PHW1 resolutions: 320x175, 320x200, 360x200, 320x240, 400x300, 416x312, 512x384, 640x350, 576x432, 640x400, 680x384, 720x400, 640x480, 720x450, 640x512, 700x525, 800x512, 840x525, 800x600, 960x540, 832x624, 1024x768, 1366x768 display CRT-0: CRT-0 resolutions: 320x240, 400x300, 512x384, 680x384, 640x480, 800x600, 1024x768, 1152x864, 1360x768

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• How can I use a .html file as desktop background/wallpaper?

  - by dudealfred

  I have one of those underpowered netbooks with Lubuntu. I also have an iPod Touch. I'd like the best of both worlds. So I would like to create an active html wallpaper with beautiful little squared icons to launch my webapps through Chromium/Firefox. I've read a bit, but it looks like there isn't really anything that would allow for that. Why? Does anyone have any other alternatives (apart from buying an iPad)? :)

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• Detecting right-click on XAML GridView control item

  - by mbrit

  Leaving aside why you would ever want to do this in a touch-centric world, here's how you tell if the right-mouse button has been clicked on a GridView in XAML/WinRT/Metro-style. You have to retrieve a point relative to the UI element you're in, and then query its properties. void itemGridView_PointerPressed(object sender, PointerRoutedEventArgs e) { if (e.GetCurrentPoint(this).Properties.IsRightButtonPressed) { this.BottomAppBar.IsOpen = true; } } (The reason why you might want to do this can be explained by looking at any of the built-in Win8 apps. You can right-click any of the items on any list to bring up a context-sensitive AppBar.)

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• My Windows 7 computer is stuck in a refresh rate not supported by my display. How can I fix this?

  - by Tim Keating

  Star Wars: The Old Republic apparently decided that my screen res should be 1680x1050 at 75hz. I have an older monitor that doesn't support that refresh rate. I fixed this problem within the game, but subsequently I alt-tabbed out of the game to the desktop & it reset me to those settings. Now my monitor shows a blank screen with "out of range" in Windows, and these settings persist even through a reboot. I booted into safe mode, but of course while there, I can only change the settings for the default driver. How can I get my machine back into a usable state?

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• Certain Keyboard shortcuts not working

  - by user968808

  I have the logitech k800 keyboard but can't seem to get certain shortcuts working. I change in the keyboard shortcut settings volume up and down and it actually takes the key assignment but does not take effect when trying to use. After trying for a while I also tried to create a custom shortcut after with the command amixer -q sset Master 10%- Finally I tried changing the command to touch a file to see if it is actually responding but nothing. How can it take the key as an assignment in the shortcut settings but not to actually respond when pressing it. FYI other keys work like mute, next track etc. There is just 3 keys shortcuts not currently working. Thanks

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• How do I configure an Intel HD Graphics 4000?

  - by derabbink

  First off, please note that last night I already posted this question to a launchpad mailing list, so this could be considered a cross post. However, I think this is a better place to ask the same question The question: How can I configure my Ubuntu 12.04, with upgraded kernel (3.6), to use the Intel HD Graphics 4000 adapter? (Intel HD 4000 is the standard of 3rd gen Intel Core i7 (Ivy Bridge) graphics adapter) Some output: $ glxinfo name of display: :0 X Error of failed request: BadRequest (invalid request code or no such operation) Major opcode of failed request: 154 (GLX) Minor opcode of failed request: 19 (X_GLXQueryServerString) Serial number of failed request: 12 Current serial number in output stream: 12 $ cat /etc/X11/xorg.conf this is probably the farthest from what it should be Section "Screen" Identifier "Default Screen" DefaultDepth 24 EndSection Section "Module" Load "glx" EndSection $ lspci I only listed the line I think are relevant. If you want more info in order to help me, please comment :) 00:02.0 VGA compatible controller: Intel Corporation Ivy Bridge Graphics Controller (rev 09) 00:1b.0 Audio device: Intel Corporation Panther Point High Definition Audio Controller (rev 04) 16:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI Whistler XT [AMD Radeon HD 6700M Series] 16:00.1 Audio device: Advanced Micro Devices [AMD] nee ATI Turks HDMI Audio [Radeon HD 6000 Series]

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• Laptop forgets second monitor when it goes to sleep

  - by al c

  I recently updated my nvidia driver... now I have to re-establish the connection to my second monitor everytime the laptop goes to sleep. When I open the NVIDIA control panel, the second monitor is listed there but the checkbox beside it has been cleared. Oddly my laptop screen is identified as display #3 and the external screen as display #4. Is there a registry key that I can clear to get them set back to #1 & #2? Will that fix the problem? Or is there a simpler solution. (It's a Dell Studio XPS laptop with GeForce 9500M running Windows Vista 64-bit) TIA Al

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• How do I boot Windows 8 into Safe Mode?

  - by Earlz

  I have Windows 8 Enterprise x64. It's installed a virtual machine. After trying to update VMWare's guest extension it black screened. After resetting it, now the virtual machine won't boot. It just says "automatic repair couldn't repair your PC" Everything I do ends with an error or it coming back to this screen. If I go to Troubleshoot Advanced Options Start up settings and then go to Safe Mode, all it will do is say "preparing automatic repair" and then "diagnosing your PC" and then will come straight back to the "automatic repair couldn't repair your PC" screen. It's as if it doesn't even attempt to go into safe made. Is there anything else I can do before I reformat?

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• Hardware question re Hauppauge WinTV-HVR 900 HD video/tv capture unit used with laptop with HDMI output laptop HDMI connection

  - by Bill

  I've ordered a Hauppauge WinTV-HVR 900 HD video/tv capture unit. It is mainly for use with my HP desktop running Windows 7 Professional, but I will want to use it occasionally with my partner's HP laptop running Vista Home Premium. The latter has an HDMI output which works perfectly with my LG 42" LCD TV, enabling display of BBC iPlayer and other catchup services. Will the live or recorded HD signal from the WinTV-HVR 900 HD connected to the laptop's USB input be output on the laptop's HDMI socket as HD? Come to that, will SD content be output? The reason I ask is that I had a problem with a Pinnacle unit which displayed OK on the laptop's screen but not on the TV screen (which did display all the normal Windows material). I've tried the Hauppage website, but it doesn't even acknowledge the existence of the WinTV-HVR 900 HD!

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• PC always boots into Command Line

  - by Neptun1337

  My current Problem is, that when I try to install Ubuntu 12.04 Desktop, neither unity nor gnome are installed. During the installation, I am prompted with the message that only the core is installed, and which additional packages I would like to have installed. When I select ubuntu-desktop, the installer grabs some packages and installs them, but after completing the installation and booting into my Ubuntu, i dont get any GUI, but instead I have the command line interface. When I try to start a new Unity session, i get an error saying that Unity is not installed, so I tried to install it. However this changes nothing, my PC still boots into the Command Line. Are there any solutions to my problem? Any help would be greatly appreciated. Thanks in advance. EDIT: I tried to fix it with the following commands: $ sudo apt-get install ubuntu-desktop $ sudo apt-get install gdm $ sudo /etc/init.d/gdm start When I try to boot, I get the Ubuntu splash screen, but then the screen mainly shows white squares, with a few black ones at the top.

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• Ubuntu 14.04 LTS 64-bit install alongside Windows 7

  - by user289222

  I've tried installing Ubuntu 14.04 LTS alongside my Windows 7 OS, following the exact procedure given by the Ubuntu website and random other tutorials. I've tried with a LiveCD and with a USB stick but I always run into the same problem. When I'm at the screen where I'm allowed to select how I want to install Ubuntu ("alongside", "erase Windows 7", "something else"), the first option says "Install Ubuntu inside Windows 7" instead of "Install Ubuntu alongside Windows 7". From pretty much all tutorials I've seen, the tutorial says that the option should say "alongside". I click "inside" anyway, and Ubuntu doesn't install at all. Instead, my computer just reboots, and goes back to the Try Ubuntu or Install Now screen. This happens regardless of using a LiveCD or a USB stick. I've also tried manually resizing my partitions using "something else". Oddly, I see 4 sda partitions: /dev/sda type size used /dev/sda1 1mb unknown Windows 7 (loader) /dev/sda2 ntsf 208mb unknown Recovery Windows Environment (loader) /dev/sda3 ntsf ~752000mb unknown Recovery Windows Environment (loader) /dev/sda4 ~18000mb unknown I try resizing the largest partition, but some sort of internal error occurs and it doesn't let me resize my partitions. Any ideas on what's going on and how to solve it?

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• Fujitsu B6220 laptop, sometimes my desktop freezes upon resume from standby

  - by user89756

  I installed Ubuntu 11.10 on my Fujitsu Lifebook B6220 laptop just before 12.04 was released. I can not remember if I had this issue with Ubuntu 11.10 as I updated the install to 12.04 about a week after 12.04 came out. My problem is that sometimes upon resume from standby my desktop is frozen. The keyboard, touch pad, and touchscreen work, but there is no response from the desktop. I can ctrl-alt-f2 and log in and then from there I just reboot the computer. This happens about 50% of the time when I resume from standby but I have not noticed a distinct pattern. I have thought about reinstalling 12.04, since I upgraded 11.10 to 12.04 instead of a fresh install. But I have customized my laptop a lot and I would prefer to avoid reinstalling it, I'm not even sure if that would fix it. Anyone have a idea what might be the problem? If I should submit this as a bug, could someone point me in the right direction please? Thanks, Matt

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• Windows always open top left

  - by BobTodd

  I find this a highly annoying "feature" on a wide screen monitor that my mostly used apps - terminal and gedit always open directly under the top-left corner of my screen and I have to drag them to my eye position each and every-time. I have tried installing the CompizConfig Settings Manager and using the feature to position windows centre, but this has had no effect - the force feature here isn't working for me either. I can use e.g. gnome-terminal --geometry=140x50+50+50 for the terminal but this doesn't work for gedit. Any ideas? Thanks

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• Nvidia drivers with GeForce 680M problem [closed]

  - by biofermin

  Possible Duplicate: There's an issue with an Alpha/Beta Release of Ubuntu, what should I do? I have a new Alienware M17x which I have installed 64-bit Ubuntu 12.10 (dual boot). I have tried various ways to install the Nvidia drivers for the GeForce GTX 680M (which they claim they are compatible with): from Ubuntu Software Centre (though Additional Drivers fails to detect the card.) using sudo apt-get install nvidia-current downloading the drivers from nvidia and manually installing them (ctrl + alt + F6, sudo service lightdm stop, sudo ./NVIDIA*, sudo reboot) (each with a clean install of Ubuntu) but in all cases, when I reboot after installing nvidia-setings claims that I am not using the driver and should sudo nvidia-xconfig from the terminal, which I do but this has no effect and I am stuck in crappy resolution until I rm /etc/X11/xorg.conf and reboot. The xorg.conf that nvidia-xconfig generates is: Section "ServerLayout" Identifier "Layout0" Screen 0 "Screen0" InputDevice "Keyboard0" "CoreKeyboard" InputDevice "Mouse0" "CorePointer" EndSection Section "Files" EndSection Section "InputDevice" # generated from default Identifier "Mouse0" Driver "mouse" Option "Protocol" "auto" Option "Device" "/dev/psaux" Option "Emulate3Buttons" "no" Option "ZAxisMapping" "4 5" EndSection Section "InputDevice" # generated from default Identifier "Keyboard0" Driver "kbd" EndSection Section "Monitor" Identifier "Monitor0" VendorName "Unknown" ModelName "Unknown" HorizSync 28.0 - 33.0 VertRefresh 43.0 - 72.0 Option "DPMS" EndSection Section "Device" Identifier "Device0" Driver "nvidia" VendorName "NVIDIA Corporation" EndSection Section "Screen" Identifier "Screen0" Device "Device0" Monitor "Monitor0" DefaultDepth 24 SubSection "Display" Depth 24 EndSubSection EndSection

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• Can't install on a Thinkpad W700ds

  - by Habstinat

  I want to install Ubuntu on my computer. I don't know much about Linux, but I know my way around a terminal and whatnot. My computer, a ThinkPad W700ds, refuses to read from my CD when booting. The md5sum is correct and the same CD boots fine from another computer. When I try to install from a USB, I can get the main screen, but when I select any of the options from there my screen turns black for more than 3 hours until I have to turn it off. Is there anything I can do about this? I want to have a true partition, don't want a Wubi'd install. It's a 10.10 x64 image, but my computer is 64 bit (running Windows 7 x64 right now) and the exact same CD is bootable on other computers. I've been on #ubuntu IRC for days trying to work this out but nobody knew, so I figured I would get more responses by posting to here. UPDATE: Thanks Jorge Castro. Both the alternate and desktop installers seem to not work at all with the CD. On a USB, the alternate installer lets me start installing, but in the middle of installation I get this message. The people on #ubuntu told me to just exit installation at that point, so I did.

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• Server costs and back loading for mobile devices

  - by user23844

  A company approached me to design an MMO for the mobile platform and I have the perfect idea for them. My question is how much would a server for a FTP game that has both a PVE element and PVP cost? Also do you think that it would be better or is it even possible to back load the data onto the phones (trying to come up with some interesting way to back up the data in case of emergency). I don't want the game to be totally online reliant (I want to appeal to not only phone users but also iPod touch users) and for there to be an offline mode. If you can't tell this is my first game besides simple projects I've done on the side. Any help would be greatly appreciated.

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• Problem with gluOrtho2D()

  - by Shashwat

  I was trying to understand the gluOrtho2D function. I have drawn 4 lines originating from the center reaching up to 4 corners of the screen. You can follow the below code. osize is a variable which is used to set the parameters of gluOrtho2D. It will create a window of size 2*osize. If works fine when osize is 1. Lines reach the corners. But as I increase the value of osize, the length of the lines decreases (cross becomes smaller and does not cover the whole screen). But I think it should reach the corner. void display() { glClear( GL_COLOR_BUFFER_BIT ); //glViewport(0, 0, 100, 100); glMatrixMode (GL_PROJECTION); float osize = 1.2; //glOrtho(-osize*1.0, osize*1.0, osize*1.0, -osize*1.0, -1.0, 1.0); gluOrtho2D(-osize*1.0, osize*1.0, osize*1.0, -osize*1.0); glMatrixMode (GL_MODELVIEW); glBegin(GL_LINES); glColor3f(0.0, 0.0, 1.0); glVertex2f(0.0, 0.0); glVertex2f(-osize*1.0, -osize*1.0); glVertex2f(0.0, 0.0); glVertex2f(-osize*1.0, osize*1.0); glVertex2f(0.0, 0.0); glVertex2f(osize*1.0, -osize*1.0); glVertex2f(0.0, 0.0); glVertex2f(osize*1.0, osize*1.0); glEnd(); glutSwapBuffers(); //includes glFlush(); } What is the problem?

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• systemctl (Fedora 17) and interacting spawned processes's consoles

  - by Sean

  Introduction I've recently upgraded to Fedora 17 and I'm getting used to the newer systemctl daemon manager versus shell init scripts. A feature I need on some of my daemons is the ability to interact with their consoles because unclean shutdowns not initiated by the process itself can cause database corruption. So, performing a systemctl stop service-name.service for example might cause irreversible data loss. These consoles read user input through stdin or similar methods, so what I've been doing on my old OS is to place those daemons foregrounded in a screen session, and I suspended that screen session with ^A ^z. It's also worth noting that I've now made systemctl do this automatically if the computer reboots, but it still doesn't solve my potential data corruption problem I'm trying to avoid. My Question Is there a way to use systemctl in order to directly interact with the console of processes it spawns? Can I hook a process through systemctl to get access to its console? Thanks You guys always give great answers, so I'm turning to you!

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• Why can't I access hw:1,0 until gstreamer-properties is run once?

  - by Shadd

  Not necessarily an Ubuntu-specific question but I wasn't sure where else to ask. I have an AverMedia DVD EZMaker 7 which plugs into USB and works well on Ubuntu 12.04. I downloaded and installed the official drivers without error. However, when I try: gst-launch alsasrc device="hw:1,0" ! alsasink device="hw:0,0" it tells me: Setting pipeline to PAUSED ... Pipeline is live and does not need PREROLL ... Setting pipeline to PLAYING ... New clock: GstAudioSrcClock which is the normal output, however there is no audible sound. Trying the command again doesn't help. If I run gstreamer-properties and close it right away (don't need to touch any controls), THEN the gst-launch command works. If I unplug the device and plug it back in or restart the computer, I have to run gstreamer-properties again. What is gstreamer-properties doing that enables the audio?

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