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Acer 6920G Laptop rebooting in windows, hardware failure?

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#1 totallytech


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Posted 22 November 2014 - 11:27 AM

Hey All,


I've got an older Acer 6920G which has an odd problem.

In bios or dos it will sit forever and have no trouble at all, however when it loads Vista it powers off and on before vista has even loaded correctly. I've fitted a brand new hard drive to it too, then tried a windows 7 install. It gets to the microsoft logo to begin installation and then it powers off and on again. Occasionally it will actually load to desktop but very rarely.

I removed the fan and heatsink, cleaned and reseat


I'm currently running windows memory diagnostics on it but no errors reported yet.


Any ideas what I need to be looking at? Why does it happily load bios and even dos but not windows?

I can try a ubuntu install next if that would help any further?




Acer Aspire 6320G

Intel Core2Duo T5750 @ 2GHz

ATi HD3650 512MB graphics

3GB DDR2 5300

120GB Hard Drive

Blue-Ray Drive

Fingerprint reader

Dolby Audio


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#2 totallytech

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Posted 22 November 2014 - 01:12 PM

I've used Ultimate Boot CD and run a hard drive test, and its tested and set the drive to 0, but no errors found.


I'm going to check the ram shortly, not sure what else I can run though

#3 Zero Flyer

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Posted 24 November 2014 - 05:26 PM

Looks like overheated GPU or VRAM. Try to test that.

#4 hamluis



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Posted 26 November 2014 - 01:38 PM

What hard drive diagnostic did you run?



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