Dec 17 09:59:05 oem-desktop kernel: [ 13.392584] mtrr: type mismatch for d0000000,10000000 old: write-back new: write-combining Dec 17 09:59:05 oem-desktop kernel: [ 13.392646] [drm] MTRR allocation failed. Graphics performance may suffer.
Dec 17 09:59:05 oem-desktop kernel: [ 13.892555] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 118 Dec 17 09:59:05 oem-desktop kernel: [ 13.892614] [drm:drm_edid_block_valid] *ERROR* Raw EDID: Hello Have you already tried from grub menu, to select to start the affected kernel in recovery mode, the select to repair broken packages? If not solve, run the working kernel, open synaptic and in the search box type linux, then mark for complete removal the entries for 2.6.35 kernel, then go to this link and install the latest maverick kernel: http://kernel.ubuntu.com/~kernel-ppa/mainline/v2.6.37-rc2-maverick/ installing on first linux-headers-2.6.37-020637rc2_2.6.37-020637rc2.201011160905_all.deb then header and then image for your architecture. Fabio ** Package changed: ubuntu => linux (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/692471 Title: black screen after upgrade from 10.04 to 10.10 , Lenovo a300 ideacentre -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs