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Old 04-07-2004, 05:51 PM   #1
crayola311
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Registered: Apr 2004
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monitor & graphical problems


Hi,

I appologize if this type of question has already been posted but I could not find it.

I recently installed Mandrake 10.0 community onto another computer. The installation went well and during teh installation I choose 800 x 600 vesa (they were the 2 defaults) I didnt want to change it because I wanted teh whole process to go smoothly first and tehn change the setting later.

So once i actually got into the desktop and everything I went to change the monitor resolution settings and I changed it to 1024x768 and just left it at 256 colors. Anyways I rebooted and after it goes throught the boot load and tries to get to the log in screen there is a big blur and i cannot make out anything.

How would I go about chaning the settings? & Why wont it work properly with 1024x768 because I have XP on the same computer and it runs it at 1024x768?

Thanks,
-Shaun
 
Old 04-07-2004, 06:12 PM   #2
avarus
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Hi,

The bad news is that getting XFree86 (the system which handles the graphics) configured can be a real pain in the arse. Getting the best out of your hardware can require some fiddling, even for experienced users.

OK, so the first stage is to get to a text login (press Ctrl+Alt+F1) and try to restore the original settings. The configuration is in /etc/X11/XF86Config, and hopefully Mandrake has left a .old or .bak file in that directory. If you can revert to that, flip back to X and restart it (Ctrl+Alt+F7, then Ctrl+Alt+Backspace).

If you can get that far, then let us know exactly what graphics card you have in that machine. The best approach for configuring the card depends on the make - the 'vesa' driver you are currently using is a generic driver, and has some limitations as you have discovered. It is also very slow!

Sorry if this advice raises more questions than it answers and if this a baptism of fire in the command line for you. Gotta earn your stripes somehow. :-)

TIM
 
Old 04-07-2004, 06:15 PM   #3
avarus
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Oh by the way - the dual boot will not be causing this problem. The fact that Windows works ok at 1024x768 is a good sign!
 
Old 04-07-2004, 07:07 PM   #4
crayola311
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ctrl+alt+F1

I tried pushing teh following keys ctrl+alt+F1 several times during the time linux was starting up. Got nothing.

When do i need to push it?
 
Old 04-07-2004, 07:50 PM   #5
avarus
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Hi,

You need to press those keys when the boot-up finishes, ie when the blurry screen appears. If nothing happens, maybe things are worse than I thought and the thing is actually crashing.
In that case you will have to force a boot at runlevel 3. Unfortunately, I don't think it is practical for me to attempt to talk you through this stuff via a mailing list. In any case I must go to bed!

Sorry,

TIM
 
Old 04-08-2004, 02:31 AM   #6
Qucho
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I use only ALT+F1 to switch to that terminal. My X-server works in the F7 terminal. I can also use ALT+<cursor arrows> to move between terminals.

I am using Debian and I dont know if this might aply to your distro.

Depending the version of the X-server you are usiing you might want to configure '/etcX11/XF86Config-4' (notice the -4 ) this is the new configuration file for the new version of the X-server.

as root I go there with:

cd /etc/X11

then edit the file with

vim XF86Config-4

this if you have 'vim' installed, if not try 'vi'

remember Linux is case sensitive for commands and filenames
 
  


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