Display randomly goes off, only way is to turn off PSU and turn it on to get it back up

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weblabourer

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Display randomly goes off, all temperatures are below 60 for all parts.
The mouse and keyboard also stop working, their lights also turn off
Power and reset buttons on the case don't work either
Changing HDMI from GPU to Mobo has no effect

Turning off the PSU and turning it back on then pressing the power button turns the PC on. Bought the new PC 2 days ago, this has happened 4 times and is driving me insane

Ryzen 7 7600
Gigabyte GAMING X AX
GSkill Trident Z5 16*2 6000Mhz
Sapphire Pulse 6700XT
Samsung 980 Pro 1TB
XPG Core Reactor 750 Gold
Corsair 4000D case
 
Is this happening when you aren't using pc for some time, if so then the suspend settings or profile need to be checked in bios.
If not then is this happening while you are actively using the pc?

Try using only onboard video (remove gpu), & only one ram stick a time preferably on a different unused ram slot.
 
Once while I was not using and others while I was using. Only once under load other wise a rest of the times it just randomly went off while doing basic things like browsing, playing videos, opening file explorer etc

Tricky part is it can happen twice within the hour or not happen at all for an entire day
 
Sounds like PSU issue. Check whether all connections from PSU are seated properly; mainly the 24-pin one. If you'd brought it shipped to you, there's a good chance that something has gotten loose in shipping.

Try using the monitor with a different device - laptop or phone. Connect directly to the wall and not UPS to verify if monitor is fine.
 
3 things IMO,

PSU and connections- check and recheck all connections for rigidity. If any doubt disconnect and reconnect.

GPU driver/hardware failure - use display driver installer to uninstall drivers and then install latest version from AMD. Download before uninstalling and when uninstalling do it in safe mode while being offline. When booting into normal mode keep system offline or Windows will download an old version from Microsoft servers. You have to stay offline until new drivers are installed manually by you.
Can also reseat the GPU by removing from PCIe slot and reinserting.

Bad RAM(s) - can be checked using memtest86+ bootable USB. If errors are shown you need to retest each stick individually to see which one failed.
 
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If disconnecting and reconnecting all connections, does not help, get the PSU replaced, It is definitely an issue with the power supply.
 
Most likely a PSU issue.
But you can also try this: if you are using XMP profile on RAM, or CPU and/or GPU OC then reset all those settings back to default. Then check if you are facing issues again.
 
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