[CentOS] How to? Set boot up display resolution

Johnny Hughes johnny at centos.org
Tue Sep 11 15:42:01 EDT 2012


On 09/11/2012 02:21 PM, James B. Byrne wrote:
> I have been given a replacement monitor for my CentOS-6.3 KVM test
> platform.  It is an LG E2251 22in letterbox format screen whereas the
> unit it replaces was a 17" standard format display.  The console
> messages now look as through they were output on Silly Putty.
>
> The display itself displays a message to set the resolution to 1920 x
> 1080.  I have found references to using the vga option in the
> grub.conf file.  However, I can find no comprehensive list of what
> value to use.  The references I have found actually say "see the
> source code in the Linux kernel tree", which does not strike me as
> particularly "user friendly" shall we say.
>
> How do I do this or am I condemned to rubber band output.

Are you talking about a CLI display boot resolution or a GUI display
setting in X?

If CLI, use this table:

http://wiki.antlinux.com/pmwiki.php?n=HowTos.VgaModes



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