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You will have to edit /etc/X11/XF86Config-4 and adjust the settings according to your monitor manual.
NOTE: the XF86Config-4 file is for the X-Server version 4+, If you are using the classic X-Server (version 3), you will have to edit /etc/X11/XF86Config (without '-4'). If you just have the latter one, just edit that one, because if X-Server 4 doesn't find the '-4' Version, it will use the other file.
What to edit? Here you go...
You will find a couple of lines just like these:
redhat-config-xf86 won't work in text mode as far as i know...
You are right with the filename, but as I wrote in my last post, the official filename is XF86Config-4 and the modern version will fallback to the old filename if it doesn't find the new one...
...and of course there are tools to acomplish the configuration, but one of the last tools to use is 'redhat-config-xf86', because it won't run in text mode as far as i can see (correct me if I am wrong) and if you read the original problem, he cannot go in graphical mode...
...you are better of to adjust that tiny values with the values from your monitor manual instead of risking to destroy the whole configuration with a tool - remember thats what Windows is famous for
I am not really convinced it will work, because he said he cannot see anything, so he seems to have trouble using X-Server and therefore graphical tools won't help him unless redhat-config-xf86 works also without X-Server - does it?
Why don't we just wait until he comes back with feedback
I really apreciate your help....heres more information...
as u know...i cant get graphics mode... yeterday i installed red hat again and changed the parameters for vsync and hsync (my monitor its not in the list, im using GENERIC VGA) then finally i saw linux woking in my computer by the very first time!!!! =)... but in a very very small screen..='( what i did.. was i changed the resolution from 640x480 to 1024x768... then know i cant see nothing again... there must be a way to chnage the parameters for rthe monitor and the video card w/o runing the whole installation process...also i know u told that there i a way.. but remeber im 100% NOOb ..or what do i need to type , where to do it.. Thanks again ppol i really apreciate you help...just elp me in this on....Im so close to have it working....
In RH there is no [/b]/etc/X11/XF86Config-4[/b] RH just sets up /etc/X11/XF86Config. If you want you can run redhat-config-xfree86 this uses the Frame buffer which should work on all PCs, this will give you choices on video card, monitor and resolution.
ok...i got it working but with some limitations..... only 8xx X 4xx
when i change the resolution in display properties, after rebooting still the same thing... if i set a higher resolution the monitor will not work....what cn i do?????
My monitor is a KDS v-55p
on a S3 prosavage ddr
Maybe try choosing generic vesa and see if you can then get the resolution you want, it could be the driver you are using that is causing the problems. Plus try it with 16 bit color at first and see what happens.
ok thats what i got now...
There is no way to run a command like redhat-config-xfree86
because as soon the screen goes blank, when i press ctrl-alt-f1 to switch i cant type nothing!!! my only chance is to reinstall again.. The video crad driver is ok.. the problem is with the monitor ...every time i try a new video configuration and the configuration fails i know i must reinstall red hat..... what can i do??? please!!!!! i can see the linux desktop but in low resolution only (640x480)