My laptop is a "Lenovo T60p" with an ATI video card and it used to work fine on 9.10.
The external monitor works after full cycle of Function+Monitorkeys pressing, but the extended is not working properly.
Anything I should try?
closed as too localized by Luis Alvarado♦ Mar 14 '13 at 16:30
This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time, or an extraordinarily narrow situation that is not generally applicable to the worldwide audience of the internet. For help making this question more broadly applicable, visit the help center.If this question can be reworded to fit the rules in the help center, please edit the question.
Seems to be a KMS issue. See: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/562138
In short, add this to your kernel command (test it by holding left-control on boot, edit the command by pressing whichever key it says, control+x to boot):
If you already have a
If that works, that confirms you're suffering this bug. It's fixed properly in later kernels (2.6.34 and 2.6.35 should both work) so you're left in a position where you either make do with the kernel run arguments or you upgrade kernel.
The good news is this should be fixed by 10.10... But who knows what bugs it'll introduce!