Re: Unreadable external LCD after upgrade to 2.6.32
- From: Konstantin Svist <fry.kun@xxxxxxxxx>
- Date: Tue, 09 Mar 2010 13:14:33 -0800
On 03/09/2010 01:12 PM, Sam Tregar wrote:
Hey all. I've got a Dell Latitude E1505 running Fedora F12. I just
updated to 2.6.32.9-67.fc12.i686 today and as soon as I rebooted my
external LCD was unreadable. It had wavy vertical lines all over it
and appeared to have less than the full vertical resolution. The
laptop LCD looked fine.
After checking the cable, power-cycling the monitor and reseting its
settings, and rebooting a few times didn't help, I booted back
into 2.6.31.12-174.2.22.fc12.i686 and all was well again. Any ideas
what could cause this and what I might do to fix it?
The display chip on this laptop is an ATI Radeon Mobility X1400 and
I'm using the radeon driver. Let me know if I can provide anything
that might help - X logs, dmesg, whatever.
Thanks!
-sam
I have the same laptop.
What you need to do is add nomodeset to your kernel parameters in
/boot/grub/grub.conf
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