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Old 16th May 2012, 13:00   #15103  |  Link
RobertM
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Join Date: Apr 2011
Posts: 429
Quote:
about 20 minutes in will TURN OFF my pc, no warning, no error message, just turns the PC off.
Pretty unlikely that this has anything to do with BDRB. A serious programming bug will crash an application, a worse bug will cause a BSOD (blue screen). But when your system just suddenly turns off this is almost always caused by overheating. Your processor is protecting itself from being permanently damaged by too high a temperature.

A BD-Rebuild will start out using moderate resources (during the stream extraction), but once it calls X264 to do the actual video re-encoding the temps will quickly rise, with the second pass (of a 2-pass encode) being the most intense.

I would suggest running a temp monitoring program (something like RealTemp) while you do an encode, and see what the temps get to. Anything below 60c is great, below 80c is fine, 90c is pushing it, and at 100c (depending on your processor) your system will suddenly turn off.

Now clean you heat sink, make sure that all your fans are working, and repeat the process to see if this reduces temps.
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