Computer does random restarts

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danvis

Distinguished
Nov 23, 2013
9
0
18,510
Hey all,

My pc keeps doing totaly random restarts, without any seen pattern (sometimes can be 2-3 a day, sometimes not once in 2 weeks). I changed the HDD, I reinstalled Windows several times, I tested the memory with Memtest86 and it came back normal, I tried doing stress tests to the PSU by stressing both the GPU and CPU at same time but it held nicely, the Graphic Card is kinda new (r9 280X) and he benchmarked Furmark without a problem, the CPU benchmarked Prime95 without a problem, and to conclude - no heating problems.

I just can't find a pattern, it usually doesn't happen while in heavy games or any stress activity, but rather when I'm browsing, or in light games like FM14.

Would really appreciate if anyone can come up with an idea or any test.

Thanks.

I5 2500k @ 4GHz (Turbo)
Asrock Z3 Pro
8GB Ram
Gigabyte R9 280X
Seagate Barracuda 7200.14 2TB
Antec Neo Eco 620W
 
Solution
9
These can be the issue
-Hardware issue or error

Any failing hardware component in your computer could cause your computer to unexpectedly turn off without warning. If you have recently added any new hardware remove it from the computer to make sure it is not causing the problem.

-Issue with operating system

If after following each of the above recommendations your computer still continues to reboot, it is likely that you are experiencing a Microsoft Windows operating system related issue that cannot be explained. To help make sure this is the case, try the below steps.
Reboot the computer and enter CMOS setup as the computer is booting.
After you have loaded the computer in CMOS setup, let the computer sit.
If the computer does not...
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9617932817

Reputable
Mar 1, 2014
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4,540
First, stop the reboots:

Boot your PC, and before the Windows logo comes on, repeatedly press and release F8 until the boot menu appears. Select Safe Mode.

Once Windows is running in Safe Mode, click Start (In XP, click Start>Run; in Windows 8, use the Search charm), type sysdm.cpl and select sysdm.cpl.

Click the Advanced tab, and then click the Settings button under 'Startup and Recovery' (as opposed to the dialog box's other two "Settings" buttons). Uncheck Automatically restart.
Then click OK and reboot.

Your computer will almost certainly crash, but in doing so, it will probably offer a clue or two about what's wrong.
There's a good chance you'll get a blue screen covered with white text--the dreaded Blue Screen of Death (BSoD). For details with this problem, see Attack of the Blue Screen of Death.

If you're not getting a BSoD, perhaps another type of error message appears. On another Internet-capable device, search for the words in that error message and see if you can find a solution.

Another suggestion: Since the crashes happen at boot time, they could be caused by a bad autoloader. Boot into Safe Mode as described above, launch Windows' MSConfig program, click the Startup tab, and uncheck all programs that load automatically when you boot. If you can successfully boot after that, try experimenting with rechecking some autoloaders but not others until you have found the culprit.
.................................................TRY THIS "http://www.pcworld.com/article/2050341/what-to-do-if-your-pc-shuts-down-and-automatically-reboots.html"
 
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danvis

Distinguished
Nov 23, 2013
9
0
18,510
Thanks for the reply!

But I'm not sure you understood my problem (or I didn't understand the solutions) - the pc doesn't crash while rebooting, it reboots itself perfectly fine and into windows, and it usually works perfectly fine within windows and THEN just randomly crash...
 
Upvote 0 Downvote
9

9617932817

Reputable
Mar 1, 2014
29
0
4,540
These can be the issue
-Hardware issue or error

Any failing hardware component in your computer could cause your computer to unexpectedly turn off without warning. If you have recently added any new hardware remove it from the computer to make sure it is not causing the problem.

-Issue with operating system

If after following each of the above recommendations your computer still continues to reboot, it is likely that you are experiencing a Microsoft Windows operating system related issue that cannot be explained. To help make sure this is the case, try the below steps.
Reboot the computer and enter CMOS setup as the computer is booting.
After you have loaded the computer in CMOS setup, let the computer sit.
If the computer does not turn off while letting the computer sit in CMOS, you are likely experiencing an issue with Microsoft Windows or your operating system and it is recommend you erase everything and reinstall Microsoft Windows.

-Virus not much likely but can be the reason
 
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