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Random Screen Freezes


JayDay
Resolved

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Recently been suffering from random screen freezes. Seems to happen totally randomly and with different programs running.

Symptoms are: Screen freezes; mouse pointer slows right down and then stops. Mouse and keyboard don't work and eventually the screen goes blank.

I have tried newest video drivers and even some older ones. Done a complete fresh re-install of Windows 7 32 bit and 64 bit. All fans inside the case are working and no high temps shown.

I have used Seagate tools that report the HDD is OK even under the extended test.

I have a feeling that it may be the graphics card failing.

Is there anyway of establishing what was happening just prior to the screen freeze?

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buteman

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Might tell you in event viewer.

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JayDay

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Not really sure how to read event viewer. All the crashes appear to reported as Kernel Power, but further investigation reveals this is relates to the rebooting after the freeze.

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Fruit Bat /\0/\

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Could also be memory

try http://hcidesign.com/memtest/

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JayDay

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Just happened again, after a reboot the graphics card isn't recognised in device manager. I think my initial thought about the graphics card may have been correct!

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JayDay

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I've removed the graphics card and now using the on board graphics. I will update on progress.

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JayDay

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After three days no crashes and system is stable. It would seem to be a faulty graphics card was the problem.

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