Question PC Turn On and Off, Ended Up GPU Won't Turned On (Only The Fan Spinning But The LED Is Not And Not Displaying)

lobsterwebstergood · 2025-02-14T09:11:48-0500

So my PC was working fine at first but it started acting weird since it began to restart itself for no reason. At one time PC just turned off and on and off like in this video.

https://imgur.com/a/ubxFG3f

I tried various things like removing all components and leaving only the MOBO but the PC still had problems. Suddenly the PC could stay on for a long time and did not turn off anymore.

https://imgur.com/a/wA8ZxJh

I tried to reinstall all the components and everything came back on except the GPU. The GPU started normally and even tried to boot. But it restarted again for no reason and my GPU died but the fans were still spinning and there was no display at all. I don't know what happened because it was so random.

I've tried only using one RAM stick and installing in other slot
Already tried removed everything one by one except for the motherboard
The problem still happen

Specs:
CPU Intel i5-9400F*
GPU RTX 4060
Motherboard H310-CM HDV
PSU Cooler Master MWE 550W

Edit: Before this, I was using bad PSU (Aerocool RGB) and it fried my GPU and any other components except motherboard and CPU. After that happened, I changed PSU & GPU into what I wrote above.

COLGeek · 2025-02-14T09:14:01-0500

Your motherboard does not support that CPU.

https://www.asrock.com/mb/intel/h310cm-hdv/index.asp#CPU

lobsterwebstergood · 2025-02-14T09:25:46-0500

COLGeek said:
Your motherboard does not support that CPU.

https://www.asrock.com/mb/intel/h310cm-hdv/index.asp#CPU

Whoops wrong, I mean i5-9400F

COLGeek · 2025-02-14T09:27:57-0500

To be clear, your edit to the original post and the one right above this reply don't match. Which do you have? 9400 or 9400F?

lobsterwebstergood · 2025-02-14T09:29:27-0500

COLGeek said:
To be clear, your edit to the original post and the one right above this reply don't match. Which do you have? 9400 or 9400F?

It's 9400F

COLGeek · 2025-02-14T09:32:36-0500

Based on the bad PSU scenario you edited into the original thread, how did you determine the other components weren't damaged?

COLGeek · 2025-02-14T09:34:24-0500

Also, when you swapped PSUs, did you only use the power cables than came with the new PSU? Did you remove all of the defective PSUs cables from the PC before installing the new PSU?

lobsterwebstergood · 2025-02-14T09:39:17-0500

COLGeek said:
Based on the bad PSU scenario you edited into the original thread, how did you determine the other components weren't damaged?

Because after I changed the PSU, it worked normally for 1 year now and I didn't see any burn marks on the motherboard.

COLGeek said:
Also, when you swapped PSUs, did you only use the power cables than came with the new PSU? Did you remove all of the defective PSUs cables from the PC before installing the new PSU?

Yes I changed all the cable and using power cable that came with the new PSU.

COLGeek · 2025-02-14T09:44:59-0500

Have you manually reset the BIOS since this happened?

To manually reset the BIOS. Do this:

1. Remove all powered connections (power cable, video cable, and powered speakers, etc).
2. Remove the motherboard battery.
3. Press the power button to discharge residual power in the system's components.
4. Wait at least a minute (not really necessary, but won't hurt either).
5. Re-install the battery and reconnect the previously removed connections.
6. Power on (system should be in default settings state now).

lobsterwebstergood · 2025-02-14T10:28:19-0500

COLGeek said:
Have you manually reset the BIOS since this happened?

To manually reset the BIOS. Do this:

1. Remove all powered connections (power cable, video cable, and powered speakers, etc).
2. Remove the motherboard battery.
3. Press the power button to discharge residual power in the system's components.
4. Wait at least a minute (not really necessary, but won't hurt either).
5. Re-install the battery and reconnect the previously removed connections.
6. Power on (system should be in default settings state now).

Apparently, it worked for the first time, it turned on for a while but my GPU still not turned on (only the fans are on). After I restart and reinstall the GPU, it began to turn on and off again (but this time my GPU is on)

COLGeek · 2025-02-14T10:35:21-0500

lobsterwebstergood said:
Apparently, it worked for the first time, it turned on for a while but my GPU still not turned on (only the fans are on). After I restart and reinstall the GPU, it began to turn on and off again (but this time my GPU is on)

This isn't very clear...

Did the system seem to work properly AFTER you manually reset the BIOS?

Do you have access to another GPU to use for testing?

lobsterwebstergood · 2025-02-14T10:51:37-0500

COLGeek said:
This isn't very clear...

Did the system seem to work properly AFTER you manually reset the BIOS?

Do you have access to another GPU to use for testing?

Yes it work after resetting the BIOS but only the first time.

And I did try another GPU but the problem still persist. I tried this GPU on other PC it worked perfectly

COLGeek · 2025-02-14T10:54:04-0500

Sounds like we are chasing an issue with either the motherboard, CPU, or memory. Those are the common components between changing PSUs. Correct?

lobsterwebstergood · 2025-02-14T10:58:28-0500

COLGeek said:
Sounds like we are chasing an issue with either the motherboard, CPU, or memory. Those are the common components between changing PSUs. Correct?

Yes, that's the component I didn't replace when changing the PSU.

COLGeek · 2025-02-14T10:59:51-0500

If the previous PSU damaged a GPU, then I would also be highly suspicious of the motherboard. Even if it worked for a while afterward.

lobsterwebstergood · 2025-02-14T11:08:51-0500

COLGeek said:
If the previous PSU damaged a GPU, then I would also be highly suspicious of the motherboard. Even if it worked for a while afterward.

Okay, I'll try replacing the motherboard. So is my new PSU safe? Because many say that it's the PSU that's the problem.

COLGeek · 2025-02-14T11:29:08-0500

lobsterwebstergood said:
Okay, I'll try replacing the motherboard. So is my new PSU safe? Because many say that it's the PSU that's the problem.

It is not a PSU I would have used. How old is it?

lobsterwebstergood · 2025-02-14T14:08:03-0500

COLGeek said:
It is not a PSU I would have used. How old is it?

It's about 1 year old

COLGeek · 2025-02-14T14:22:22-0500

Assuming the PSU is operating normally, it should suffice for this build. Given its age, it should be okay.

Can you link the exact PSU you are using, just for a quick look?

DaleH · 2025-02-14T14:43:39-0500

lobsterwebstergood said:
Okay, I'll try replacing the motherboard. So is my new PSU safe? Because many say that it's the PSU that's the problem.

The PSU would be my suspect.

lobsterwebstergood · 2025-02-15T01:00:24-0500

COLGeek said:
Assuming the PSU is operating normally, it should suffice for this build. Given its age, it should be okay.

Can you link the exact PSU you are using, just for a quick look?

MWE 550

The MWE 550 delivers everything you expect from top tier power supply at a budget price. This unit also comes with a circuit design that will protect your system at all times. The 120mm fan keeps your system cool with little noise. This tough little box is the perfect solution for all your power...

www.coolermaster.com

this one

DaleH said:
The PSU would be my suspect.

Earlier I tried another PSU and the problem persist. I also tried this PSU on another PC it worked normally

COLGeek · 2025-02-15T01:21:39-0500

Back to motherboard then.

Question PC Turn On and Off, Ended Up GPU Won't Turned On (Only The Fan Spinning But The LED Is Not And Not Displaying)

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