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Old 09-20-2005, 02:37 PM   #1
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Question urgnt help needed. display problem

I have success fully installed redhat 9 on 845 mb. with a dell 15 inch monitor , 1024 res working fine but today I have changed my monitor to lg 15 inch. and after starting linux when the gui login prompt appear the screen goes blank due to frequency mismatch. the out of frequency box displayed by monitor. I cant login now.

my question is how can i change the resolution to 800x600 now? also how can i disable xwindows from startin autometically.

also is pvm work without xwindows?
Old 09-20-2005, 03:33 PM   #2
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A 15" monitor ought to be able to do 1024. It's probably a refresh rate thing.
There are a number of options...

Ctrl Alt - and Ctrl Alt + should switch you through available screen resolutions. (This won't help if the problem is a refresh rate thing).

Ctrl Alt F2 throught to F6 are available terminals. Switch to one, log in and edit your XF86Config file then either restart X or reboot.
I've had X running quite happily with vertical and horizontal refresh rates removed from the config file with no seeming problems. I don't know if this would cause long term problems though.
There is a redhat specific command for reconfiguring the x-server but I don't know what it is.

You might try /usr/X11R6/bin/xf86config as root.

I have no experience of pvm - sorry.
Old 09-20-2005, 03:54 PM   #3
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ya the problem is with the refresh rate, i think its set to 75 but in 1024 res the monitor support only 60 , as in windows..

thanks for your help. now going to try it

Old 09-21-2005, 01:01 PM   #4
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it works. thank you.
Old 09-21-2005, 08:07 PM   #5
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FYI in the future refrain from using words like "help" "urgent" etc. in your topic headings. It will often make people who would normally help want to ignore your thread altogether. I'm glad you got your issue resolved though.


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