laptop shuts down unexpectedly

Acer / ASPIRE 4720Z
February 17, 2009 at 21:32:16
Specs: Microsoft Windows Vista Home Premium, 1.6 GHz / 1013 MB
I have an Acer Aspire 4720Z, and the specs are:
intel pentium dual core processor t2330
252MB mobile intel graphic
160 GB HDD
Back in Dec i had to format the HD because of a bad file in the OS. The last month, when I try to burn a movie from the factory installed program (or Nero), or plug in any kind of external device (i.e. ext HD) my computer shuts down unexpectedly. Any suggestions? They would be greatly appreciated!
Thanks in advance.

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February 22, 2009 at 13:41:53
My first suggestion would be to test the memory.
Bad memory can also corrupt system files. Go here and download memtest86. Burn it to CD and boot from it. Let the test run for several hours, in case there are thermal issues.
This might also be caused by overheating. It's not uncommon for the exhaust to become clogged with fluff.

Computers... designed to entertain,help with work but most of all to frustrate you!

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