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-   -   Monitor Display problem (http://www.linuxquestions.org/questions/showthread.php?t=4175436789)

ferrel 11-12-2012 10:57 AM

Monitor Display problem
 
I'm having a video display problem with my monitor. It's
an old Gateway VX700, purchased 11/1999. My graphics card
is an Nvidia GeForce 6100, purchased around 2006. Both
are aging.:) Until recently, my computer was a dual boot,
with Slackware64 13.1 and Windows XP.

For the first year of the dual boot system, there was no
problem. Then I think I botched up my system in someway,
trying to update, and had to reinstall software packages.
That's when the display problems started. I fiddled
around with it a month or so, to no avail. The problem
manifested while running xscreensaver; at some point, the
monitor would freeze up, displaying horizontal or diagonal
lines of different colors. I had to turn off the computer
to unfreeze it. I never had the display problem in XP,
although I rarely ever used it anyway.

I recently installed Slackware 14.0 as a single boot system.
The problem remains, although on two occasions, the monitor
freeze has occurred while on the internet.

The horiz/vert settings are exactly as specified in the
monitor's user guide. At this stage, I think it is either
the monitor or graphics card, with a weak possibility that
it's a software problem. I would like to narrow it down
to the exact problem, rather than start buying hardware to
rule out possibilities. Any help greatly appreciated!

malekmustaq 11-12-2012 11:25 AM

Usually a problem of this kind is gone if you turn off the 'Screensaver' daemon. Try turn it Off and observe if things improve.

If problem persists you may try solve it by overriding defaults by using /etc/X11/xorg.conf-vesa or creating your own by running xorgsetup. You can manipulate the case fixing the values on the xorg.conf.

Else you may need to control the kernel graphics driver by passing options at boot up. What boot loader are you using, Grub Legacy or Grub2? At Grub legacy you can enter the options along the "kernel" line, or under Grub2 edit the /etc/default/grub declarations. I solved a similar problem by using "NOMODESET" option, this way--

vi /etc/default/grub:

GRUB_CMDLINE_LINUX_DEFAULT="NOMODESET"

Lilo, I don't know. Sorry. (Maybe I am the only Slacker who has no working knowledge of Lilo.) :)

Hope that helps.

Goodluck.

ferrel 11-12-2012 12:20 PM

Thanks for your reply. I'll try it with the xscreensaver daemon off first,
and see what happens.

I use lilo, and I already pass the nomodeset option to get it to boot
up properly.

http://www.linuxquestions.org/questi...-a-4175434641/

ferrel 11-12-2012 12:26 PM

3 Attachment(s)
Photos of my display when it freezes:

ferrel 11-13-2012 08:47 AM

Ran without xscreensaver for about 10 hours; no freezes, but of course
the screen is not being saved. :) Tried the kde screensaver,
and it froze in the same manner.

I'm using xorg.conf-vesa at present, no options being passed. My
lilo.conf has append "linux nomodeset video=640x480".

malekmustaq 11-13-2012 09:38 PM

Quote:

Originally Posted by ferrel (Post 4828414)
Ran without xscreensaver for about 10 hours; no freezes, but of course
the screen is not being saved. :) Tried the kde screensaver,
and it froze in the same manner.

I'm using xorg.conf-vesa at present, no options being passed. My
lilo.conf has append "linux nomodeset video=640x480".

Save lilo.conf first. The try set a better but conservative resolution --

video=1024x768

if it doesn't work you can go back to the saved configuration.

cascade9 11-14-2012 12:38 AM

Quote:

Originally Posted by ferrel (Post 4827728)
Photos of my display when it freezes:

Thats typcial of a problem GPU. Either its overheating or the chip is damaged in some way.

ferrel 11-14-2012 01:59 AM

Is the GPU on the motherboard, or on the video card?

ferrel 11-14-2012 02:00 AM

Tried video=1024x768 in lilo.conf; still freezes.

cascade9 11-14-2012 05:04 AM

Quote:

Originally Posted by ferrel (Post 4828940)
Is the GPU on the motherboard, or on the video card?

6100s were only ever onboard (GeForce 6100 + nForce 410/430 chipset)

ferrel 11-14-2012 09:17 AM

Can the gpu be replaced, or would it be best to
purchase another video card?

cascade9 11-15-2012 12:41 AM

Onboard video cannot be repalced/repaired.

Getting a new card should fix the problem If I'm right

ferrel 11-15-2012 05:09 AM

Thanks for your help; I'll look around for an inexpensive
replacement.


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