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Old 11-23-2004, 06:12 PM   #1
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Registered: Nov 2004
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Exclamation Possible video problem

When i was installing Mandrake I set the resolution too high and did not test it because i figured that the pc should work fine at 1024x768. So now whenever i try to get into the gui i get virtual size (1024x768) (pitch 1056) exceeds video memory....screens found but none have a usable configuration.

Im figuring that this will be fixed simply by changing the resolution but i do not know how to do this from the command prompt. Can any one post what i need to do to do this?

Thank you..
Old 11-24-2004, 12:16 AM   #2
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Location: Budapest, Hungary
Distribution: SuSE 6.4-11.3, Dsl linux, FreeBSD 4.3-6.2, Mandrake 8.2, Redhat, UHU, Debian Etch
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These settings are in /etc/XF86Config (or /etc/X11/XF86Config?)
Anyway, login as root and backup both files (supposed that you have both, like me); then try to find some older backups of it somewhere:
find / -name "XF86Config*"

If you are lucky, your system has made a backup copy of your old XF86Config file the last time when you changed it.
If such is found with the find command, then you can check its date:
ls -l /path/to/FoundXF86Config

If you find an appropriate backup, just copy it to /etc/XF86Config (or /etc/X11/XF86Config?).

If you do not find a backup, you can also try to repair your present XF86Config file with a console text editor like vi.
vi is hard to use for newbies, so you may find it handy to experiment with it before you open any important files like XF86Config with it. (see "man vi")

Last edited by J_Szucs; 11-24-2004 at 12:18 AM.
Old 11-24-2004, 01:06 AM   #3
Registered: Sep 2003
Location: New Hampshire USA
Distribution: Mandriva 2006 & 2007 Power Pack Club
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Well here is something great about Mandrake for ya. It has a very nice little application to change X settings. Now you would want to run this as root. At the command promt type XFdrake and it will allow you to change your settings. Word of advice NEVER set your video resolution higher then your monitor. I use KDE in 10.1, have my monitor at its max of 1280 x 1024 and use the panel applet 'screen size and rotate' to change my res on the fly. This works the nuts for me.

Hope this helps.


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