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Old 07-08-2014, 02:31 PM   #1
julianvb
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Ubuntu 12.04 Boot-up Results in Dark Screen after Running Startx


Ever since I ran startx in order to switch from CLI to GUI mode yesterday, I haven't been able to get into Ubuntu 12.04. In other words, I see only a dark screen. In the past I was able to switch to GUI by using exit, but no longer.

Now the screen just goes dark after I log in each time. Luckily my computer hosts both Ubuntu 12.04 and Mint 11. Even now Mint boots up only in terminal mode but I can enter startx to get into GUI.

How can I troubleshoot this dark-screen post-login problem? Thanks very much.

julianvb

Last edited by julianvb; 07-08-2014 at 02:37 PM. Reason: typos
 
Old 07-08-2014, 04:14 PM   #2
zaivala
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Ubuntu 12.04 Boot-up Results in Dark Screen after Running Startx

That usually means it/you selected the wrong video driver.
 
Old 07-08-2014, 04:49 PM   #3
julianvb
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Where can I find the system's video drivers and which one is correct? My main need is to be able to get into Ubuntu 12.04.
If I can get into it, there is nothing I can do, short of running the Ubuntu 12.04 live CD. Thanks.

julianvb
 
Old 07-08-2014, 07:45 PM   #4
yancek
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Take a look at the link below which has a number of example commands to obtain that info with lspci.

http://www.cyberciti.biz/faq/linux-t...ard-installed/

You could check the System Settings, the gear icon and look for an option to install drivers or a driver manager.
 
Old 07-09-2014, 06:50 AM   #5
julianvb
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(1) I've run Ubuntu boot-repair, which does not seem to help much. I think startx may be in trouble. When I run
startx, I see the following screen response.

Xauth: error on blocking authority file /home/jul/.Xauthority
Fatal server error:
Server is already active for display 0
If this server is no longer running, remove /tmp/.X0-lock and start again.

Please consult The X.Org Foundation support at http://wiki.Xorg for help.
ddxSigGiveUp: closing log
No protocol specified
Xinit: giving up
Xinit: Unable to connect to X server: Resources temporaily unavailable.
Xinit: server error
Xauth: error in locking authority file /home/jul/.Xauthority

(2) If I boot up in text mode, can I somehow go online by specifying a display? When I try the following command after specifying text mode via Grub, Linux says "No display is specified"

firefox www.google.com


julianvb

Last edited by julianvb; 07-09-2014 at 06:54 AM.
 
Old 07-09-2014, 01:30 PM   #6
julianvb
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Hi, Everyone,

I've just solved my GUI problem currently under discussion by implementing a nifty suggestion from James Hicks, a fellow member of www.twuug.org. It consisted of removing the .Xauthority file from my Ubuntu home directory.

Thank you all for your enthusiastic help and advice.

julianvb
 
  


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