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Old 11-04-2005, 03:39 AM   #1
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Registered: Nov 2005
Location: Vienna, Austria
Distribution: SuSE Linux 10.0
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Question Monitor problem in runlevel 3


I am using Suse 10.0, or rather: just installed it again. I have a Matrox G550 graphics card with two Acer monitors attached, and with some configuring dual head Xinerama mode works.
But there is another problem:
When I start Suse in normal mode, pressing Ctrl + Alt + F2 does not give me a console, but a monitor problem "Input not supported". The same happens when I shutdown the operating system. It does shut down, but the monitor does not show anything useful during the process.
Interestingly, it does not do that in FailSafe Mode, there everything works fine. So I thought that probably it is some service that usually starts but is skipped in FailSafe Mode. By the way, it is not a problem caused by dual head mode, since it is already there before I configure dual head. Even on the one monitor that the OS automatically recognizes.
I also thought that maybe it has to do with ACPI, so I installed the whole OS again without ACPI. Same problem.
Anyone out there who can think of an approach to this?

Thank you

Old 11-06-2005, 08:46 AM   #2
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Registered: Mar 2004
Location: Munich
Distribution: SuSE, Ubuntu
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Did you check the vesa framebuffer paramter in /boot/grub/menu.lst? Maybe your 'vga=' setting is not supported by the graphics card. Try to pick one from the table below:

    | 640x480  800x600  1024x768 1280x1024
256 |  0x301    0x303    0x305    0x307   
32k |  0x310    0x313    0x316    0x319   
64k |  0x311    0x314    0x317    0x31A   
16M |  0x312    0x315    0x318    0x31B


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