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Thread: Ubuntu (Jaunty) goes to blank screen less than 10 minutes after logging in

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after logging jaunty (9.04) seems going fine after less 10 minutes screen goes blank , i'm unable anything. system dual boots windows 7 , windows 7 appears have no problems.

system working fine months , after being turned off on weekend failed start.

have tried;

  • pressing alt+ctrl+f1 after blank screen doesn't work.
  • booting livecd - same problems
  • selecting different versions of kernel in grub
  • killing x when ubuntu starts (so i'm on command prompt)


far has same problems except windows 7. if not windows 7 have thought hardware problem.

it sounds hardware problem.

**probably** overheating graphics card.

happens when start windows , preview 3d screensaver 15 minutes?

might want run memtest86 couple of hours. there should no errors @ all.

can grab "prime95" windows , run burn-in test (default settings). should able run hour w/o errors @ all.

failure in memtest86 indicates either dodgy memory timing, overheating, or defective ram.

failure in prime95 indicates either dodgy cpu timing/voltages, or defective motherboard or cpu.

failure in both tests indicates probable weak power supply.


Forum The Ubuntu Forum Community Ubuntu Official Flavours Support General Help [SOLVED] Ubuntu (Jaunty) goes to blank screen less than 10 minutes after logging in


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