Windows 10: My pc is shutting downcompletly loses power until i unplug the psu cable and replug it back...

I've checked the pcu and changed the thermal paste just in case,the temperatures are better than fine on both the cpu and gpu,tried replugging every single cable on the motherboard,tried to unplug all usb ports but it still crashes randomlysometimes it takes 2min sometimes it can take 30min to an hour.i checked event log but there are some error that people online say its no big deal and it doesnt affect much.i have no way of testing the psu as i the extra one i have isnt 24pin but i somehow doubt its psu or the gpu due to them both being few months new and have worked perfectly up until a w

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Why my PC froze but unplugging or replugging the AC power make the PC back to the normal state?

Hi Mafield,

There's a huge possibility that there's an issue with your AC device or its cables. Since you mentioned that the issue is only happening before you unplug and re-plug AC, the problem is mostly isolated. We suggest that you try to use other AC device or cable
(if there's available) and check if you're still experiencing the same issue. We also suggest that you get in touch with the manufacturer of your AC device and have it checked if you confirmed that the issue is really with it.

You may also try to run the Power Troubleshooter to scan if there's any power issue with your computer and to have automatic fix. You may follow these steps:

• Open Control Panel by performing search on the search field or Cortana.
• Click View by at the upper right part of the page, then select
  Large icons.
• Click Troubleshooting.
• At the left menu, click View all.
• Click Power to run the power troubleshooter, then check if you're still experiencing the issue.

For reference that might be helpful to you, kindly check this out:

Tips to improve PC performance in Windows 10

Feel free to post back if you have further questions or future concerns.

 

PC shuts off, have to unplug and plug back in to get it back on

If you are using a modular PSU then you have discovered that cable connections at the PSU end are not generally compatible between PSUs!

 

Wireless USB Adapter has to be unplugged and replugged

Every now and then my wireless USB adapter has to be unplugged and replugged because for some reason its performance just gets worse and worse with time. I'll plug it in and get full internet speed 18Mbps down with full bars and then slowly it just drops to 48, 32, 11... with like 2 bars.

Once I unplug and replug, bam full speed again.

Am I doomed to just doing this or is their a fix? Google provided little input.

Linksys AE2500