Satellite 5200 - alteration of video memory

A month ago, I encountered a problem with a slightly garbled screen
on the internal and external screens. More or less visible vertical
stripes appear on the screen. They are mainly blue on dark background
(better visible) or yellow on white background (less visible) and have
approximately the same thickness of 1-2 mm and length of order order
1 cm. The locations of the bands depend on the position of the details
actual image currently displayed on the screen.

The start screen is also but now clouded by red vertical stripes on the left and right of the red logo "In Touch with tomorrow Toshiba".
Full text-mode screen, strange characters appear in positions that are correlated with the positions of real characters.
The Test Pro BurnIn V4.0 indicates a video memory corruption (the card is NVIDIA GeForce4 460 Go, 64 MB, integrated RAMDAC). It's very interesting, yesterday
There was a short period of about 5 minutes, when all the symptoms described above has suddenly disappeared.
Even the BurnIn Test showed that everything is OK. But after this period, the symptoms recovered again. For this
reason, I would like to ask how to solve the problem.

It is indeed a bad video memory that can recover and then go back to being bad or other reasons, such as poor connectivity, etc. ?

Thank you.

Hello

Not easy to say what can be the problem, but if you write red vertical stripes on the left and right of the red logo "In Touch with tomorrow Toshiba" it may be a hardware problem. I think just detailed by a technician tests can give you more information about hardware malfunction.

Tags: Toshiba

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