I experience a similar problem : 1600x900 screen, intel video, ubuntu 11.04, dell e6420 received 2 days ago, started flickering after waking up from a standby mode this afternoon.
Also a HW problem, as it happens also on the Win7 install that is installed alongside. In fact it flickers as soon as it lights up, from the earliest BIOS screen (several blinks per second). The external (DVI) display is OK. Unfortunately this hasn't disappeared, so I had to call Dell support and they plan to replace the whole laptop display. Could anybody confirm there is no way to damage any screen with the "standard" settings (I did not play with xrandr, for example). I remember the times when hacking the modeline in XF86Config was considered hazardous, back in the CRT days.... This time I just had to re-enter the "displays" parameters several times before reaching a functionning state, in the gnome-ish GUI that comes with Unity. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/794474 Title: latitude e6420 screen flickering (sandy bridge intel video card) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/794474/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
