Toshiba Laptop video card failure symptoms

October 2, 2010 at 11:16:06
Specs: Linux Debian Lenny, Vista, Intel® Core™2 Duo T7100, L2 4MB 1.8 GHz / 2GB
I have a Toshiba Satellite P200. Recently, video output started behaving erratically. At first, while playing flash video, whole image would tremble and then freeze with only cursor left moving. Reboot would usually fix it. Then, at reboot, red squares of four red dots would appear on the logo page. In GRUB and while linux kernel was loading, double exclamation marks would appear all over the screen. And now, linux won't even start anything graphic (e.g. KDE), let alone 3D. Vista would first complain about the video driver crashing, now it won't even start in normal mode, only in safe mode. BIOS screen is normal. I can still type in console, although a wrong symbol would appear for almost each symbol typed. Exclamation points won't go away and console outputs are garbled.

My suspicion is there's something wrong with the video chip, but I am asking you could there be something else at fault? Like a specific capacitor, resistor, eprom?

Video card is GeForce Go 7600.

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October 2, 2010 at 13:48:43
I'd try a live cd such as a bart's pe or linux live cd. See if the problem follows.

I doubt it will. In either case if you can't do any repairs to a laptop motherboard. It may be possible to change the screen but with the time and money you could buy a better new laptop.

Why did it take me over a year to phone in a problem to ATT?

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