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Flashing Rectangles on Screen, Computer Freezes


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#1 corsa59

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Posted 20 July 2009 - 09:34 AM

Can anybody assist me with this very unusual problem?

I have a Benq Joybook 2100e Notebook, 2gb memory, and it runs perfectly with one massive exception.

I can start the pc, use it for 5 minutes or 5 hours perfectly, and the second I start Internet Explorer, the screen shows a mass of small rectangles in very neat rows and columns, see the attached photo. Some of the rectangles are flashing, some are still, and the computer freezes completely, nothing will fix it other than a hard reset. Same thing happens on an external screen. Mem-tested the memory, no errors, tried new memory, tried removing the wireless card and using the LAN, same result. This is a completely fresh install of Windows. Installed all the drivers from the Benq website, but they appear to be very old.

It doesn't happen every single time, maybe 70% of the time, sometimes I can use the computer for a while, but it is guaranteed to happen if I open a second window with Explorer.

Anybody seen this before, and has a possible cause? Anybody can tell me the video card in the PC so I can download more current drivers? I would greatly appreciate any help you can give me.

Regards,

David

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#2 garmanma

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Posted 20 July 2009 - 10:20 AM

Video device driver would be my first guess
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#3 corsa59

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Posted 20 July 2009 - 04:30 PM

Thanks Garmanma,

I agree with you, that was my first guess too, but I have downloaded the driver from the Benq website, without success. You will notice the driver is dated 2005. I am thinking the video card/chip in the PC must be used in other PCs also, and there must surely be later drivers somewhere that may work better than the old one on the Benq page. Anybody else got any clues?

Regards, David




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