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Question

My desktop shuts down all of sudden

Apr 15, 2017 4:43PM PDT

Hi, when I play games like FIFA 17 or Mass Effect or Dirt 2. My PC when suddenly shut down and after restart I got an error 41. After consulting with an IT technician they said that my PSU is the cause of the problem. So I change from Cooler Master GX750 to Superflower Leadex Gold 650. The thing is, after I change to a new PSU, sometimes, when I turn on my PC, its suddenly turn off. Like I can see the fan keep spinning like 5s and then it suddenly lose all power and I can't turn it on. Even the fan is not spinning anymore. After that, I turn off the switch at the back of the PSU and turn it on again, the fan keeps spinning like 5s and then lose its power. I went again to the IT store to check what is the cause of this problem, they turn it on and its operating like normal. So I went back home and try again to on my PC in my room and its normal again. The thing is, this morning (Malaysia time) the problem happened again! Sad(( So I decided to try in different power socket in my house. My room is in the 1st floor and the same problem is happening again. And then I try to turn on my PC at the Ground floor and pooofff! IT CAN OPERATE LIKE NORMAL. My wife suggesting that maybe the power is unstable at the 1st floor, maybe due to the electrical contractor who construct this house years ago. I try to on my PC again in my room and now it can operate like normal. Is it something wrong with my PSU or my house power point? One thing I can notice is when I can't turn it on my PC in my room, I just have to connect my PC to a different power socket (i.e ground floor of my house) and bring it back my PC to my room and it can operate back to normal again.

Discussion is locked

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Answer
My desktop shuts down all of sudden
Apr 15, 2017 4:58PM PDT

For your information:
When I use my old PSU, it can turn on my PC, but when I play games, the PC suddenly turns off.
When I use my new PSU, it can turn on but for example the next day, the problem happens again.

What I notice is my old PSU is at least can turn on my PC without any problem but not with my new PSU

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What PSU did you buy
Apr 15, 2017 5:13PM PDT

Show us it!
Also tell us how old this comp is and Give us a Speccy to eliminate a bunch of
Q and A's .
That Speccy really helps the Pros. dig into the meat of the matter

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Edit
Apr 15, 2017 5:15PM PDT

The household electrical current does sound suspicious, but please do what I asked in my prior post

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Replying itsdigger
Apr 15, 2017 10:37PM PDT

I dont know how to show it as for now, my PC is operating like normal.
Prolly I build my PC back in 2010 or 2011.

My PC specs:
Mobo: ASUSTeK COmputer INC. M5A78L-M LX
CPU: AMD FS-4100
GPU: AMD Radeon HD7800 Series
PSU: Superflower Leadex Gold 650w

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Answer
Test
Apr 15, 2017 7:47PM PDT

In your room plug a lamp and your pc into the same wall socket.

Turn on the lamp and power up your pc.
Does the lamp dim or flicker?

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Turn on the lamp and power up your pc.
Apr 15, 2017 10:39PM PDT

I will try it later and I'll let you know.

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Turn on lamp
Apr 15, 2017 10:52PM PDT

I have already tested it. Nope, the lamp does not dim or flicker at all

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Lamp
Apr 16, 2017 12:28AM PDT

Try the test after the pc has been off for 6/8 hours.

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Lamp
Apr 16, 2017 2:23AM PDT

Alright mate, will do in the next morning.