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Windows 7: How can I stop these random restarts?

19 Nov 2015   #1

Windows 7 Professional x64 SP1
How can I stop these random restarts?

So I've been having this problem where windows 7 will just randomly restart. It's been doing this every three months or so. I'll be in the middle of doing something and then my computer will just black out and restart. I've tried fixing it using various methods: New heat sink, new hard drive, Re-installing Win 7 and so on. While these methods worked for a little while, every three months my computer would just randomly reset again. I'm at my wit's end here. Is there anyway that I could do to try and permanently fix the problem?

My System SpecsSystem Spec
21 Nov 2015   #2

Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10

Hello and welcome Spoobman sorry for the wait. Now you say you have done a thermal compound renewal??

If so I would be tempted to see what the temps are use this and post them back Speccy - Download

and I am suspecting the hard drive too so how old is that?

I would also run these mate
SFC /SCANNOW Command - System File Checker
Disk Check - use Option 2 and if needed the /f and /r switches

Will wait until we hear back from you but also I am thinking the RAM may be at fault but as said will wait for reply before we go ahead with nay testing on that.
My System SpecsSystem Spec
01 Dec 2015   #3

Windows 7 Professional x64 SP1

The temperature shouldn' t be a problem. I've check with Speccy before and IR's been running around 45 to 50 C.

As for the hard drive it's fairly new. I got a new one only three months ago.

I'll try the third option. Thank you for your help!
My System SpecsSystem Spec

02 Dec 2015   #4

Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10

Ok try the memtest but be aware it does take a fair while to do - best overnight although if the errors start coming up straight away then you can stop it - say with two passes. The one thing you must do is ru the test for at least 8 passes or it is not worth doing at all.
By the by this is the only test we recommend the Windows test is not really any good at all. See my pics for what you should be looking at.
The memtest you will need to make a bootable disk / stick and set the BIOS to boot from the optical or USBand it will take a fair time to run- some leave it overnight.
This is the current version Memtest86+ - Advanced Memory Diagnostic Tool please use this as any other test is useless - the Windows one sadly is not worth even a thought about.
So for example if you have say 4 slots and 2 sticks and get errors you need to test #1 stick in #1 slot if no errors then move on to test #2 stick in #1 slot. That would mean to me the problem lies within a slot because no errors with either stick have thrown errors.

Then you move on to #1 stick in slot#2 no errors then stick #2in slot#2 no errors - repeat the process in slots #3 and then #4 with both sticks until the errors come up. Running each for 8 passes as you can imagine is very tedious and will test your patience.

But it has to be done simply because if the errors do not come with either stick in slot #1 then as I said it points to a faulty slot.

Having said that this does not happen very often it is usually the sticks that are at fault.
But one thing is very important you must let the test run for at least 8 passes any less and the findings are no good. Now if errors come up straight away then you can stop it - see my pics. With more than two sticks the process is even longer as one may realize.
It is a very lengthy and tedious process but worth it if you have errors.

Attached Thumbnails
How can I stop these random restarts?-memtest-errors.png  
Attached Images
How can I stop these random restarts?-memtest-start-up-screen.png 
My System SpecsSystem Spec
02 Dec 2015   #5

Microsoft Windows 7 Ultimate 64-bit 7601 Multiprocessor Free Service Pack 1

Hey ICIT2LOL, glad to see you on this. Looks like a nice build and I am curious if any overclocking is involved and if the PSU is up to the job of powering this machine?
My System SpecsSystem Spec
02 Dec 2015   #6

Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10

Don't know cyclops but if Spoobman runs this it will give a good indication eXtreme Power Supply Calculator it usually gives you a value that is the basic plus a margin of error.
So for example there was a GPU added that required more power it is just entered into the calculator and the readout will be suitably indicated.

It is like everything else a good indicator and reasonably reliable but I usually opt for something a little more than it gives me.
My System SpecsSystem Spec
02 Dec 2015   #7

Windows 7 Professional x64

If it happens every 3 months on the dot, check your bios for any type of power-cycling system ( some have basic settings such as power on after power off, last status, or keep off while others can let you schedule restarts every x time ).

You can also check the scheduling service to see if a restart is scheduled ( look for something that schedules on computer start or user login ): %windir%\system32\taskschd.msc /s

Make sure it isn't a BSOD by checking the error logger ( and you can disable it using a registry tweak here: or manually in the system options and also possibly in msconfig )

Make sure it isn't an automatic reboot for an update ( you can disable them using a registry tweak here: ) but if it is every 3 months on the nose it's likely a bios server config or scheduled task if it isn't an error.
My System SpecsSystem Spec

 How can I stop these random restarts?

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