• Welcome to TechPowerUp Forums, Guest! Please check out our forum guidelines for info related to our community.
  • The forums have been upgraded with support for dark mode. By default it will follow the setting on your system/browser. You may override it by scrolling to the end of the page and clicking the gears icon.

PC restarts under heavy load after replacing PSU

Hello, here are some pictures, i didn't have much access to a blower style unit to effectively get all dust out of the ports and connectors but i've done the best i could. pins on the cables seem ok, though after taking pics of the GPU i notice sag as i said before.

Anyway, after all this i plugged pc like i usually do, rolled back drivers to 496.76 and ran superposition once. Restarted right before 3rd scene.

At this point i am just going to hand over pc to a local service center sometime this week and explicitly tell them to test the pc while swapping GPUs cause i'm pretty sure that's the case at this point.

Thanks for the help all.

The DVI port looks good, hard to tell with the HDMI / DP from the pictures alone. It looks like dust in there but that could just be due to lack of resolution. I keep a set of cheap plastic picks on hand for cleaning ports as sometimes the dust is stubborn and does not come out from an electronics vacuum. Dust has a tendency to compact in ports over time. If you wanted to try one thing thing (and assume there is actually dust in there) that's what I'd try. Otherwise yeah, taking it to a service center is likely the best move as there is limited you can do at this point that I can think of without swapping parts.
 
The DVI port looks good, hard to tell with the HDMI / DP from the pictures alone. It looks like dust in there but that could just be due to lack of resolution. I keep a set of cheap plastic picks on hand for cleaning ports as sometimes the dust is stubborn and does not come out from an electronics vacuum. Dust has a tendency to compact in ports over time. If you wanted to try one thing thing (and assume there is actually dust in there) that's what I'd try. Otherwise yeah, taking it to a service center is likely the best move as there is limited you can do at this point that I can think of without swapping parts.
I'd wager it would be wiser to send the new psu back, don't spend money on service center and buy brand new modern gear, build a nice fresh system. Returning the new psu just in case it is compromised in some way, select another. A 12400F build on a B series locked board would be a trmendous upgrade. My humble opinion of course.
 
I'd wager it would be wiser to send the new psu back, don't spend money on service center and buy brand new modern gear, build a nice fresh system. Returning the new psu just in case it is compromised in some way, select another. A 12400F build on a B series locked board would be a trmendous upgrade. My humble opinion of course.

I supposed that depends on how much the service center charges and whether OP feels comfortable doing a new build. It's definitely an option, one for the OP to consider.
 
Hello everyone, hope everything is good and sorry for the necro;

I have received PC from the store just now and they've concluded that the PSU and mobo are dying.

They put their testing GPU and psu on my mobo and it won't power on (Not even post).

They also put my psu connected to their mobo and same thing happens apparently.

As for GPU, they said it didn't cause restarts on their test system but it showed no output after their stress tests.

I brought PC home recently to see if its true and before I even flicked the switch to the PSU, I felt a small electric shock when I touched the PSU.

Double checked to see if all cables are seated properly and whether there's nothing thats making contact with motherboard and nothing. Checked outlet with my ups and connected my phone to it and felt no shock.

At this point I'll just build a new system, this is tedious and after the slight shock I am sure this will be extremely dangerous to myself too.

Thanks all for helping, really appreciate it. :)

I'd wager it would be wiser to send the new psu back, don't spend money on service center and buy brand new modern gear, build a nice fresh system. Returning the new psu just in case it is compromised in some way, select another. A 12400F build on a B series locked board would be a trmendous upgrade. My humble opinion of course.
yup yup, you almost read my mind as I am gonna go for that same processor but a z790 if at any point i decide to upgrade cpu (14th gen unlocked i5). , alongside a 6650 XT or 6700 XT. will snipe deals for every component of course :) I guess I'll salvage case and HDD (I've already backed up all data long ago but it'll be nice to have paired with a fast SSD.

anyway, I believe thats it. I learned much from this thread and its really a set of unfortunate events but you live and learn :) thanks again everyone
 
Last edited:
yup yup, you almost read my mind as I am gonna go for that same processor but a z790 with an unlocked 14th gen i5 if at any point i decide to upgrade cpu, alongside a 6650 XT or 6700 XT. will snipe deals for every component of course :)
6700 XT is a fine GPU. 12400F won't be enough to get all of the cards potential, but this combo is great start off. If you can, go with DDR5.
 
Back
Top