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A personal computer that resides in one location with its core components inside a case separate to third-party peripherals required for operation, such as a mouse, keyboard, and monitor.

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Why does my monitor turn off but my pc stays on?

My computer was fine for the first 6 months. However after a while it began having some issues, when doing any activities (gaming, school work, YouTube) it would randomly shut off, making a buzzing static noise through my headphones, however my pc would stay on, the only way of fixing the issue was forcing it to shut down by holding down the power button (which I know is bad) it would then turn back on and the monitor would turn blank, any input would disappear. I would have to hold the power button once again, the strange thing is after doing this sometimes my graphics drivers would be removed.


Ryzen 3 2300x

rx 570

500 watt cooler master psu

16 GB DDR4 ram

Beantwoord! Bekijk het antwoord Dit probleem heb ik ook

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Hi @joelfathers ,

Have you tried a different monitor (even a TV on HDMI)?

Does it also do this in safe mode? If not then it is a driver problem.

Also run a sfc command to make sure that the system files are all OK

Sounds like a problem with the GPU card if the drivers are being removed when starting again as it is not being detected.

Can you try another GPU card to see if it is the card or the motherboard?


Hey @jayeff

I have tried multiple monitors, and a tv with a hdmi whilst watching films.

I will have to try this in safe mode. But I presume the issue will persist as it happens even in the windows boot up screen.

I do not own another gpu to try this with, I’m a bit sceptical to take it into a repair shop as my last pc that went into one came out corrupt.



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Gekozen oplossing

This was solved with a new PSU for me. Works perfectly fine now no issues anymore.

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My internal and external HDD keeps disconnecting while read and write operation. Sometimes monitor turns off automatically and cpu stays turned on(can turn off with holding power button for few seconds). Same was happening in your case?

Ryzen 2600

Rx 570

16 GB Ram

Any help would be appreciated. Thanks


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Monitor turning off while you are actively working means that either your system is very confused on power management and told display to go to sleep, or GPU/PSU is having some problems.

Several issues can cause a monitor to turn off randomly. Some of the reasons relate to the monitor while others relate to the computer.

  • Monitor overheating
  • Loose cable
  • Bad monitor
  • Video card or motherboard problem

You can just troubleshoot these components and fix it accordingly.

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Sorry to say but no, its none of the above because it happens when I play the ps4 as well. So you obviously don't know and just making things up. It only stops when I use and external power source "Jackery" for my monitor and no more shut offs while gaming.


@joelfathers Good to hear that. :)


i have the same problem its started when i playing COD MW2. and now it's happening every minute with many games .


@Hamza Mukatrin If the cables is not bad. It's possible the game is out of sync. You can also try to update your graphics drivers as another easy solution. :)


@Albert I have the same problem. It started just a few months back. I have played Fortnite for about 2 years on this laptop and it never happened, but a few months back my screen would randomly go off with this glitching effect and it started going even worse. Whenever I opened up any game I was able to play for about 1.5 minutes, then the screen would go black. I have tried updating my drivers, updating windows, verifying game files, and so on. I would really appreciate anyone's help.


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I have two brand new monitors exactly the same model LU32J59 series. They do exactly the same thing. One is bad from the manufacturer. i know that cause i get these big blocks of colour and data on half the screen sometimes.. and it will go off and stay off.. toggle at the back is very flaky and not responsive or misreads the movement or it hangs up and stops working altogether. I had a look inside ( I am an electronics technician) and I found that the driver circuitry for the backlighting is getting very very hot and then the component is shutting off and thats why you loose the image but the data is still active in on the display. You won't see anything without the backlighting... It just went off again.!!

This is a faulty design and manufacturing problem... not a one off issue. Samsung won't help me even though these monitors are just 1-1/2 months old. The 'good' one just goes off constantly and usually comes back on in a few seconds. This is a chronic design problem and a manufacturing/engineering error/defect/fault and Samsung should issue a recall !! They have not considered the component stress of 4K resolution at 60Hz in their design in this model. Trying to go cheap always backfires!!

They said because I have the monitors in Asia, they won't help me even though I bought them in NH USA... That sucks! Thats not customer service, that's customer neglect. Their own on-line customer service rep told me they won't help me!!??

Bye Bye samsung for me!!

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Hi @stevehisco44381,

Does the warranty information supplied with the monitors specifically state that the monitors are covered by an International warranty?

If not you may be out of luck getting it fixed under warranty, because then any warranty that is provided is only applicable in the country of purchase.

If you purchased them using a credit card, then you could try filing a credit card dispute with your card provider, as you were supplied with a faulty product, and see if you can at least get reimbursed.

Just a thought


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Joe Fathe zal eeuwig dankbaar zijn.

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