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Lenovo E320 with "random" graphics freeze with dynamic pixelation.
Hi all,
really hope you can help here, its driving me crazy.
I have a lenovo E320 laptop. which is a really great machine except for one small problem.
since christmas it has developed a tendency to randomly (i havent been able to corelate the behaviour with anything from temp to usage to angle of screen to physical location) freeze the system, the display shows the frozen image with an overlay of dynamic pixelation.
this can occur when playing a graphics intensive game, or while idling on the desktop, while running on an external monitor (both screens effected), during booting, or even while running diagnostic tests pre boot.
I've tried new drivers, i've tried old drivers. i've tried a clean boot. the GPU (and therefore system board) has been replaced and still no luck.
a re-image is on the cards for when i have the required stuff (pendrive with the bootdisc on) but this stinks of a hardware issue.
Memory passes all tests, and it really LOOKS like a GPU problem. but that has been replaced to no help.
Updating drivers and bios seems to have HELPED, but the system still crashes every now and again (better then the "every few mintues" of yesterday)
any suggestions?
Couple of example screenshots: