It appears this is a bug in the 'nouveau' driver. In most cases we would recommend using the proprietary Nvidia driver instead, but for this particular GPU that requires Nvidia driver version 304 which Ubuntu doesn't ship anymore (usually because of limited support for particular kernel versions by Nvidia).
The only suggestions I have are: * Use slow software graphics by adding a kernel boot parameter: 'nomodeset'; or * Use Ubuntu 16.04 on this machine (https://releases.ubuntu.com/16.04/), where the nvidia-304 driver is still supported; or * [EXPERT] Install an older kernel like v4.4 and then you should be able to manually install https://www.nvidia.com/Download/driverResults.aspx/123709/en-us or * Use Windows only. I suggest the simplest solution for using Ubuntu on this machine is to install https://releases.ubuntu.com/16.04/ ** Package changed: xorg (Ubuntu) => linux (Ubuntu) ** Summary changed: - [nouveau] Ubuntu desktop screen and whole app screen started corrupting the display, I can't see the letters & display properly. + [nouveau] [Nvidia C61] Ubuntu desktop screen and whole app screen started corrupting the display, I can't see the letters & display properly. -- 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/1947545 Title: [nouveau] [Nvidia C61] Ubuntu desktop screen and whole app screen started corrupting the display, I can't see the letters & display properly. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1947545/+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
