vga=792 leads to black screen

P Jones deerfieldtech at gmail.com
Thu Mar 1 13:25:02 UTC 2007


On 2/28/07, Thomas Cameron <thomas.cameron at camerontech.com> wrote:
> I have added vga=792 to the kernel line in grub.conf for several years.
>   I've found that doing this with FC6 leads to a black screen, no little
> penguins at the top or anything.  I see the drive spin, and the system
> boots up fine, but the console is blank.
>
> I've experienced it with 3 different NVidia and 1 ATI cards.
>
> Anyone know why?

Thomas;

I don't know why, but you could try these other values to see what
works (looks like vga=773 would give you the same resolution but fewer
colors):

+       | 640x480  800x600  1024x768 1280x1024
+---------+----------------------------------------------------------------------------------
+256  |   769          771           773          775
+32k  |   784          787           790          793
+64k  |   785          788           791          794
+16M |   786          789           792          795

-P

>
> Thomas
>
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