fedora at warmcat.com
Sat Nov 1 10:05:53 UTC 2003
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On Friday 31 October 2003 17:00, Chris Locke wrote:
> I'm having problems with XF86. It will not let me run a resolution
> higher than 1024x768. I have a 19inch monitor so it is rather ugly. I
The usual reason for this is the values on these lines in the Monitor section
of your /etc/X11/XF86Config:
HorizSync 31.5 - 150.0
VertRefresh 60.0 - 60.0
This is from my one which is driving an LCD panel, so I restricted the
vertical refresh to 60Hz. The values in the HorizSync entry are in kHz and
basically describe how fast your monitor can draw. The higher resolutions
and refresh rates need faster drawing, if your Monitor description is telling
X that it can't cope with that it won't let you select them.
Another important bit is this:
Modes "1024x768" "800x600" "640x480"
You need to make sure your desired modes are listed there (yours might be
quite different, but the same basic layout). X has a ton of built-in common
modes in the axb format that you can try, like "1280x1024" or "1600x1200"
assuming your monitor can cope.
If this doesn't help much, why not post your /etc/X11/XF86Config?
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