Pc turning off then on by itself randomly

[lilchrizmedia]

Hello, My computer turns off then on by itself (especially while playing games) I thought the problem was solved after i replaced the psu, cables and connected more fans. First i thought it was a heat or psu problem, but now i'm clueless. i've called the hardware provider multiple times too. they won't help me because they have to actually run it under heavy load for a while for it to turn off. so now i have no idea what i can do. Anyone got any idea what the problem might be?

My specs:
MSI Z97-G55 SLI, Socket-1150
HyperX Fury DDR3 1600MHz 8GB
Gigabyte GeForce GTX 970 4GB G1 GAMING
Crucial M550 128GB 2.5” SSD
Intel Core i5-4690K
Seagate Barracuda 2TB 3.5"
Cooler Master Hyper 212 Evo CPU cooler
Corsair RM750x 750W PSU
Corsair Obsidian 650D Midi Tower

 

[smashjohn]

Does the whole system turn off, or does the monitor go just go black? Likely causes of a hard power-off would be: Heat, Power, Short.

1) HEAT> How did you verify you don't have a heat issue?
2) POWER> double check all of your power connections, especially your 12-pin ATX cable.
3) SHORT> make sure nothing is sitting behind the motherboard; an extra standoff, a wire, or a screw that fell loose.

Does your motherboard have an error code LED readout?

 

[lilchrizmedia]

Does the whole system turn off, or does the monitor go just go black? Likely causes of a hard power-off would be: Heat, Power, Short.

1) HEAT> How did you verify you don't have a heat issue?
2) POWER> double check all of your power connections, especially your 12-pin ATX cable.
3) SHORT> make sure nothing is sitting behind the motherboard; an extra standoff, a wire, or a screw that fell loose.

Does your motherboard have an error code LED readout?

1. i've checked the temperature with HWmonitor and i've been keeping the case open and on a cold room just to check. it doesn't seem like a heat problem.

2. yes i have double checked everything. even replaced the psu and all the cables.

3. i've checked and there is nothing that can short it out.

i don't quite understand what you mean with the error codes. i am not good at this at all.

 

[smashjohn]

What's your CPU temp under load? HWmonitor should tell you the temp of each cpu core.

Some motherboards have a digital, 2 digit, LCD that can output error codes.

 

[Ajaxx]

Is it possible that a weak battery could cause this? I know when I had some strange problems with my computer at one time it turned out to be the battery was weak..

 

[lilchrizmedia]

What's your CPU temp under load? HWmonitor should tell you the temp of each cpu core.

Some motherboards have a digital, 2 digit, LCD that can output error codes.

It's around 50º C on every core (122º F)

 

[smashjohn]

In general, the bios battery is only used to keep the clock running and remember volatile information while you're powered down. It "shouldn't" cause any abnormal behavior once you're powered up.

 

[lilchrizmedia]

Is it possible that a weak battery could cause this? I know when I had some strange problems with my computer at one time it turned out to be the battery was weak..

Shouldn't my computer clock act up if the battery is weak?

 

[lilchrizmedia]

In general, the bios battery is only used to keep the clock running and remember volatile information while you're powered down. It "shouldn't" cause any abnormal behavior once you're powered up.

Could it be faulty RAM? i've been thinking and maybe it's a shortage of ram?

 

[Ajaxx]

I wish I knew the answers to those questions. It was so long ago I do not even remember exactly what the symptoms were besides general instability. If nothing else, if you haven't replaced the battery in a while anyhow it couldn't hurt to slap in a new on considering how cheap they are. Worth a try with little to lose...

 

[lilchrizmedia]

I wish I knew the answers to those questions. It was so long ago I do not even remember exactly what the symptoms were besides general instability. If nothing else, if you haven't replaced the battery in a while anyhow it couldn't hurt to slap in a new on considering how cheap they are. Worth a try with little to lose...

well i guess i could try.

 

[smashjohn]

It's hard to say if the clock would be wrong. Many computers are set to synchronize with time servers now, which could mask the problem. But yes, the clock would be off if the battery was dead.

Can you clarify whether your computer is Resetting/Rebooting or is it Turning off, pause, and then Turning back on? Is there ever a blue screen? A Reset/Reboot could indicate you are experiencing a software crash unrelated to hardware.

You probably need to run load testing again and verify your cpu core temps (it would be nice if you could post these: a cool room doesn't really mean your temps are ok). Run Memtest86 for at least 2 passes to verify you RAM is happy. Check your System Log under the windows Event Viewer for any 'error' or 'warning' messages that might get logged immediately prior to a system failure.

Next you might want to look at a reinstall of windows (bare bones) to eliminate any potential software issues. But I'd clear your CPU and MEM first.

 

[lilchrizmedia]

It's hard to say if the clock would be wrong. Many computers are set to synchronize with time servers now, which could mask the problem. But yes, the clock would be off if the battery was dead.

Can you clarify whether your computer is Resetting/Rebooting or is it Turning off, pause, and then Turning back on? Is there ever a blue screen? A Reset/Reboot could indicate you are experiencing a software crash unrelated to hardware.

You probably need to run load testing again and verify your cpu core temps (it would be nice if you could post these: a cool room doesn't really mean your temps are ok). Run Memtest86 for at least 2 passes to verify you RAM is happy. Check your System Log under the windows Event Viewer for any 'error' or 'warning' messages that might get logged immediately prior to a system failure.

Next you might want to look at a reinstall of windows (bare bones) to eliminate any potential software issues. But I'd clear your CPU and MEM first.

i tested the memory with memtest86 with 2 passes and no errors, the cpu never exceeds 55 degrees C when the computer is under heavy load. i've recently reinstalled windows so there should not be an issue there. but i did find something in the event viewer. it says: EventID: 41 with the following message: The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly. i think it's weird since i've just replaced my old psu. with that psu my computer refused to start when i restarted it and i had to wait a few hours before trying again.

 

[smashjohn]

See if there is anything suspect in the event viewer before EventID:41. This event ID was written during the boot process. You want to look for something that happened before that. Though, I suspect that you've adequately eliminated any software issues, and some hardware error is causing an immidiate reboot; so nothing will get written to the event log.

Have you ever Overclocked this system?
Does the reboot act exactly like when you hit the reset button? If so, you might have a faulty reset switch; try unplugging the reset switch from the mobo.
Does your GPU have a 6-pin and 8-pin PCI-E power cable connected?

 

[lilchrizmedia]

See if there is anything suspect in the event viewer before EventID:41. This event ID was written during the boot process. You want to look for something that happened before that. Though, I suspect that you've adequately eliminated any software issues, and some hardware error is causing an immidiate reboot; so nothing will get written to the event log.

Have you ever Overclocked this system?
Does the reboot act exactly like when you hit the reset button? If so, you might have a faulty reset switch; try unplugging the reset switch from the mobo.
Does your GPU have a 6-pin and 8-pin PCI-E power cable connected?

I have never overclocked. Everytime i play a game my computer just turns off like it's a powercut and then immediately turns back on. i didnt find anything in the eventviewer before the last shutdown. not a related error anyways. I really have no clue. i've just replaced the psu. tested the RAM, checked all temps.
i do have a 8 and 6 pin pci-e cable

 

[smashjohn]

dang. I swear that sounds like a piece of hardware hit a limit and the bios is performing an emergency shut down. I wish I knew where to point you.

 

[lilchrizmedia]

dang. I swear that sounds like a piece of hardware hit a limit and the bios is performing an emergency shut down. I wish I knew where to point you.

i found a youtube video tutorial i want to try. you can watch if you want
https://www.youtube.com/watch?v=6S8bLMfH4Gs

 

[lilchrizmedia]

dang. I swear that sounds like a piece of hardware hit a limit and the bios is performing an emergency shut down. I wish I knew where to point you.

Now my computer turned off again. this time it didn't turn on again by itself. nothing happened when i pressed the power button either. i had to wait before it turned on again? could this be a heat issue or a psu issue?

 

[smashjohn]

I found this:
https://forum-en.msi.com/index.php?topic=134112.0

I also found some posts about similar issues on MSI boards that were solved with a BIOS update. You may want to update your BIOS. Make sure you find the right file for your motherboard. Contact support if you have to. You should be able to download the LiveUpdate MSI software and it will recommend the correct bios file. Put the bios file on a flash drive, reboot, and go into your bios. Run the update from your bios (MFlash), not from windows. Running a bios update always has the possibility of bricking your motherboard. I'd try this if the settings in the post above don't help.