System keeps shutting down

Thomas N
Thomas N used Ask the Experts™
I have a Windows 7 ultimate machine and it keeps shutting down on its own. I dont see anything in event viewer except:

Event ID 41: The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly.

Event ID 6008:The previous system shutdown at 1:49:18 PM on ‎12/‎9/‎2015 was unexpected.

Can someone assist on what could be causing this or how to start troubleshooting it?
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Active Directory/Exchange Engineer
Top Expert 2015
Have you checked to verify if the machine is overheating?  If the machine gets to hot it will shut down.
dbruntonQuid, Me Anxius Sum?  Illegitimi non carborundum.

Could be just about anything.

Motherboard failing, power supply failing, overheating (possible also).

You could start by opening up case and inspecting motherboard for swollen or discolored capacitors.  If you find those you've probably found your culprit.  While open check for dust and blow and vacuum any out of the system.  Also check power supply inlets and outlets for dust.  Also while open get a big fan to blow into it and try restarting and running it like that.  That'll give extra cooling to the system.
noxchoIT Product Manager
Top Expert 2009

It can be BSODing and quickly so that you dont see this blue screen of death.
Go to system advanced properties and enable there creating crash dump files.
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Distinguished Expert 2017

How old is the system? Check whether There is an issue with the power supply's 3.3 volt source
During boot up get into the bios look at the system monitor options
What you are looking at is the voltage stats 12, 5, 3.3

The issue is that you say the system is shutting down.
Often the system will trigger a reboot..
Top Expert 2013

and look in windows\minidumps for any dmp files - post the latest one here

also - install speedfan for monitoring the temperatures :

you can go 2 ways for troubleshooting, soft and hard
hard : replace parts, like powersupply, ram..
soft : disable programs in msconfig

run msconfig, select startup tab, and click disable all - reboot to test
Thomas NSystems Analyst - Windows System Administrator


It was overheating. I need to some more fans.

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