PC randomly shutdows

[tomsss1425]

Hello,
Bought new MB, CPU,RAM and PSU. My pc randomly shutdow , no blue screen.

Specs:
Ryzen 7800x3d
MSI gaming B850 plus wifi6e
Rtx 3080 10gb
2x16gb 6000mhz
Psu - CRATOS LITE 850W 80plus gold

Updated to last BIOS, pc boots queit a while, cpu temps max 80C and gpu max 75C

 

[keeperthekiller]

Hello,
Bought new MB, CPU,RAM and PSU. My pc randomly shutdow , no blue screen.

Specs:
Ryzen 7800x3d
MSI gaming B850 plus wifi6e
Rtx 3080 10gb
2x16gb 6000mhz
Psu - CRATOS LITE 850W 80plus gold

Updated to last BIOS, pc boots queit a while, cpu temps max 80C and gpu max 75C

1. Power Supply (PSU) – Even 850W can be faulty. Make sure all cables (24-pin, 8-pin CPU, GPU) are properly connected. If possible, test with a different high-quality PSU.
2. RAM – Faulty RAM can cause sudden shutdowns without a blue screen. Test with one stick at a time and run MemTest86 to check stability.
3. BIOS / CPU Settings – Reset BIOS to default and disable PBO/overclocking temporarily. Ensure VRMs aren’t overheating.
4. GPU – Check that PCIe power connectors are fully seated. GPU temps are fine, but power spikes can still trigger shutdowns.
5. Event Viewer – Look for Kernel-Power Event ID 41 in Windows logs to confirm sudden power loss.
6. Other possibilities – Faulty case power/reset buttons, unstable mains power, or defective motherboard VRMs.

Priority to check: PSU → RAM → BIOS/CPU → GPU → Motherboard.

 

[tomsss1425]

Cant test new psu, only If if would return this one. Ram tested and good, gpu nicely connected, case was used before and no problem same for m.2. Bios tried

 

[tomsss1425]

1. Power Supply (PSU) – Even 850W can be faulty. Make sure all cables (24-pin, 8-pin CPU, GPU) are properly connected. If possible, test with a different high-quality PSU.
2. RAM – Faulty RAM can cause sudden shutdowns without a blue screen. Test with one stick at a time and run MemTest86 to check stability.
3. BIOS / CPU Settings – Reset BIOS to default and disable PBO/overclocking temporarily. Ensure VRMs aren’t overheating.
4. GPU – Check that PCIe power connectors are fully seated. GPU temps are fine, but power spikes can still trigger shutdowns.
5. Event Viewer – Look for Kernel-Power Event ID 41 in Windows logs to confirm sudden power loss.
6. Other possibilities – Faulty case power/reset buttons, unstable mains power, or defective motherboard VRMs.

Priority to check: PSU → RAM → BIOS/CPU → GPU → Motherboard.

Now It died in cs2, gpu max usage 100-200W and good temps.

 

[Colif]

CRATOS LITE 850W 80plus gold

I would suspect the PSU. I can't find a lot on the brand,
link

I would get a unit from Corsair or Seasonic (Gold rated) , less chance of it lacking power. Might cost more but will supply power when needed.

crashes with no BSOD means its hardware. Windows doesn't know why.
Price isn't an ideal reason to pick a PSU, they are the power source for everything in PC. Better to pay a little more and get a good one, than to buy cheap and find it causes other parts to play up