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I am a beginner in linux. Presently I am not able to log in to linux as teh monitor will not start. The background is as follows:
When trying to adjust the screen resolution, due to incorrect selection, the desktop would not start, instead only commmand line prompt appeared for login. After lot of reading, I ran the command xf86config, and tried to set up the parameters from the vdo card and monitor manuals. When that did not work, I fiddled with the horizsync and vertrefresh as follows
horizsync 31.468 - 54.0
vertrefresh 56.0 85.0
removed all commands starting with 'virtual'.

Now the problem became more sever. When restarted, the monitor display s "PC DISPLAY SETTINGS CORRECT?" and then the monitor led blinks and the screen is black. Because I cannot see any display, I am not able to correct or try anything. Please help.
I am able to start and run windows.
My monitor is HP Pavilion M40
VDO card chip is SiS 315e
Linux distro is mandrake 9.2 kernel version 2.4.22-10mdk.

You can configure your x settings with xf86config...command.
If you have your monitor can get the Horizontal and vertical sync ranges from there..or you can search on the Net.

After..that..Chances are Video card is not fully supported.SO when you come to the section of choosing a video card..Choose "Vesa".Choose color depth to be "16" and resolution to be "1024x768".
This should work.

If you are not able to get to the command prompt,then you can press Alt-Ctrl-backspace to kill the X-server.And then pressing Alt-ctrl-F1 will take you to the command prompt.And from there you issue command "xf86config".
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