I had this same problem with the Dell Studio 1555. You need to boot into recovery mode and reinstall the proprietary ATI drivers.
It worked like a charm after that, but if you would really like to downgrade: sudo apt-get upgrade should downgrade the two packages On Fri, Jul 31, 2009 at 8:58 AM, internaut<m...@mako-home.de> wrote: > Bug confirmed on Dell Studio 1555 with ATI Radeon HD 4570. > > I tried the patch from the PPA, but it resulted in a blank screen after > bootup... I wanted to reinstall the unpatched version from Ubuntu, but it > doesn't work! I commented out the deb entries in the sources.list, made an > apt-get update and tried "sudo aptitude reinstall xserver-common > xserver-xorg-core" but it keeps saying me: > "E: I wasn't able to locate file for the xserver-common package. This might > mean you need to manually fix this package. > E: Internal error: couldn't generate list of packages to download" > > What can I do? I'm really stuck here! > > -- > [M76] [ubuntu 9.04] slow unminimizing with ati card and desktop effects > enabled > https://bugs.launchpad.net/bugs/351186 > You received this bug notification because you are a direct subscriber > of the bug. > > Status in “fglrx-installer” package in Ubuntu: Confirmed > > Bug description: > [updated] > Since the new version of ubuntu/kubuntu (9.04 jaunty) a new bug occurs with > ATI cards and desktop effects enabled. > With fglrx driver, the unminimizing of windows is really slow ... it can take > from 1 to 3 seconds. > Also, the maximizing, unmaximizing and Alt+Tab present the same problem. > The opening of a window present the same bug, freezing the system for 1sec. > This bug is under both gnome and kde (4.2.1) > > (I have an ATI HD2600 Mobility Pro ) > > > [lspci] > 00:00.0 Host bridge [0600]: Intel Corporation Mobile PM965/GM965/GL960 Memory > Controller Hub [8086:2a00] (rev 03) > Subsystem: Acer Incorporated [ALI] Device [1025:011e] > 01:00.0 VGA compatible controller [0300]: ATI Technologies Inc M76 [Radeon > Mobility HD 2600 Series] [1002:9581] > Subsystem: Acer Incorporated [ALI] Device [1025:011e] > > -- [M76] [ubuntu 9.04] slow unminimizing with ati card and desktop effects enabled https://bugs.launchpad.net/bugs/351186 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
