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Thread: lockups and ATI reinstall problem

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i have occasional system lockups (12.04x64) decided try troubleshooting... won't lock days might lock twice in 1 day.. doesn't seem heat related it's possible..

figured possibly related graphics card because lock when trying desktop while xscreensaver running.. other times when flash video streaming within firefox.. it's hard beyond because have lot going on...

video card old radeon x1650 (256mb). running fine before 2 lcd monitors hooked up, except these occasional lockups..

have video card tried install again, nvidia 7950gt (512mb).. couldn't working when first installed ubuntu in march, reinstalled ubuntu 12.04 older ati card then..

couldn't nvidia card working time either. tried different driver sets including latest .53 doesn't detect main monitor (calls crt) , gives me 1024 resolution , second monitor has white screen. after hours of reading suggestions , messing it, , reading other similar bugfests, gave up.

have plugged ati card in, max resolution on both screens 1024 instead of desired 1280. followed command found uninstalling nvidia data, appears no video drivers installed @ all..

wondering if time/idea try ati proprietary drivers, haven't found instructions yet..

advice..

well pulled brilliant move , decided try proprietary ati drivers (via this link).. big mistake.. couldn't boot after that. got message running in low graphics mode , couldn't past it.. tried fail safe graphics mode , still got stuck there..

plugged nvidia card in, , guess what? i've got main lcd detected , in 1280. did do? didn't plug secondary monitor in.. didn't screw down card yet.. figured going use nvidia card in , figure out how remove ati drivers..

next move plug other monitor in , see happens.. magical.


Forum The Ubuntu Forum Community Ubuntu Official Flavours Support Hardware [ubuntu] lockups and ATI reinstall problem


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