PC keeps restarting on its own.

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Xenxambus

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Apr 24, 2015
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Hi,

I was trying to add new RAM (2x4GB) Corsair Vengeance into my PC in addition to my current 2x4GB Corsair Vengeance to have 16GB of memory. However, after installing the new RAMs, the PC will power up but all USB and monitor won't.

I then took out the new RAMs and leave the 2x4GB RAM as it is before and my PC starts up. Then, it shuts down randomly again and again.

Specs:

Windows 8.1 64 bit
Inter i7 4770k
2x4GB Corsair Vengeance
ASUS Z87-K
Corsair CX600M

 
Solution
InvalidError
You can start with checking the CPU/GPU temperatures and running memtest86 to see if the memory might be a problem since these are inexpensive and fairly quick tests.

My default suspect for random shutdowns and restarts is the PSU though. It may have just been a coincidence that issues started after you tried adding RAM.
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Xenxambus

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Apr 24, 2015
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Hey, I have taken out the new RAMs and never bothered with my old RAM that is sitting there and I never took out the old RAMs.
 
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InvalidError

InvalidError

Titan
Moderator
May 18, 2007
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5,265
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You can start with checking the CPU/GPU temperatures and running memtest86 to see if the memory might be a problem since these are inexpensive and fairly quick tests.

My default suspect for random shutdowns and restarts is the PSU though. It may have just been a coincidence that issues started after you tried adding RAM.
 
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Xenxambus

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Apr 24, 2015
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4,510


CPU/GPU temps are good. memtest shows no error so far (currently test13) Is there any way to test PSU though?
 
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InvalidError

InvalidError

Titan
Moderator
May 18, 2007
23,815
5,265
108,890

With a basic multimeter, you can take a look at general DC rail output accuracy. With a fancier meter, you may be able to capture min/max glitches depending on how fast the meter's min/max function is. Beyond that, the next most common test would be to swap the PSU out with a known-good unit and see if that fixes it.

If you have not disabled C6 sleep in yout BIOS's CPU configuration, you might want to give that a shot. Many PSUs are known to have trouble coping with Haswell's faster deep-sleep power profile transitions.
 
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