Random shut downs are a bit difficult to track down but generally have to do with bad data of some form or another. This is most often caused by one of these things:
Bad Memory
Corrupted Hard Drive
Overheating
Hardware conflict
You might start by looking at your event log to see if there is anything which has happened before each of the shutdowns.
Also when starting up go into BIOS and see if hardware monitoring is turned on and SMART tests on your hard drive(s) is turned on. While in BIOS see if it has an event log and if it has anything about shutdowns in it.
Please post whatever you find. If you want to to monitor your internal temperature and I recommend downloading a program such as SpeedFan which allows for monitoring temperatures and fans speeds. Hard drive test and memory diagnostics should also be run but what is in those event logs may give us our best help.
EMCCleveland
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Yeah possible on the Power supply, as for the driver conflict that is hardware conflict, and we may be able to get a much better picture of that with the event logs (I assumed no ! in device managers).
EMCCleveland
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OK sounds like you found BIOS, see if in the different page in BIOS is has a hardware monitoring or event logging area and note anything in there.
As for event log in Windows this is the path:
Start ----> Control Panel ----> Admin. Tools ----> Event Viewer
Specifically in there we need anything that is in the applications and system areas right before shutdown and especially those that are warnings or errors. If you see a few things that show up before many of the shutdowns that is a pretty good indication of a problem program.
EMCCleveland
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