Question PC stuck in boot cycle/crashing

Jun 13, 2024
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PC stuck in a boot cycle/crashing

PC won’t start/stuck in power cycle/crashing at 60°

I upgraded my PC and moved it into a new case. Now it wont behave, here’s what my PC has done and what I’ve tried to fix it:

At first, my PC started just fine and booted into bios, where I was greeted with a message detecting my new CPU. After I adjusted the ram frequency in bios to match my ram, it crashed. I pressed the power button and nothing happened for about 60 seconds, it then turned on and shut off after a few seconds. This continued to happen, so I disconnected the power, and reset the bios by shorting the CLRTC pins on my motherboard.

After this, I tried starting my pc and nothing happened for about 2 minutes. It then suddenly turned on and started to boot into bios, but was interrupted and crashed.

I removed all but one stick of ram and my pc finally loaded into windows. After idling for a few minutes it turned off and entered a loop of turning off, on, off…

I realized one of the sticks of ram was not seated properly and I adjusted it. It once again booted into windows and I opened a benchmarking program. I opened MSI afterburner to watch temps and noticed my computer shut off after my GPU hit 60° celsius.
I repeated this process a couple times to confirm the correlation between 60° and crashing.

After another crash my pc would no longer turn on. It then turned on a few minutes after I had pressed the power button. It had a message about a CPU fan speed error. I looked at the fan settings in bios and it was detecting my CPU fan just fine. I then exited bios and proceeded to windows, when it crashed again, upon reboot I was met with a blue screen.

After this it simply would not turn on. I sat there for about 15 minutes when the PC suddenly turned on. I opened a game and monitored temps again, the GPU reached 60°C and continued to rise, without crashing. It got up to 80° and crashed again. I booted it again and did the same test. It crashed a little over 80° again. I have no idea what to do at this point. If anyone has any suggestions please help.

**SPECS**

Motherboard: ASUS B450-f
CPU: Ryzen 7 5800x3d (new)
CPU cooler: Arctic 360 III AIO (new)
GPU: RTX 2070 Super
PSU: NZXT C850 (new)
Ram: G.Skill Trident Z ddr4 3200 mhz 4x8 gb
Also 2 noctua fans for exhaust. (new)

**Things to note/Theories**

My AIO is set as intake. It has 2 pull fans on the inner side, and one pull fan on the outer side. I configured it this way because it wouldn’t fit otherwise but it is janky.

Similar symptoms have been caused by a faulty power supply to other people so I will be putting in my old power supply to test it within the next few days.

I saw a post with similar problems to me that was caused by GPU sag, so I’ll also be looking into that.

I will also look into the CPU fan speed error message to see if that can give me any hints as to what’s wrong.

My GPU temperature was consistently rising even at idle.

My CPU temperatures stay around 50-60°C.

**IF ANYONE** has any ideas of what it could be or what I should try to narrow it down PLEASE let me know.
 
Welcome to the forums, newcomer!

Motherboard: ASUS B450-f
What BIOS version are you on for your motherboard?

I upgraded my PC and moved it into a new case.
You forgot to mention the make and model of your case.
Thanks for the welcome! Apologies for forgetting.

I am on version BIOS 5102 (2023/06/12) which is compatible with the new CPU.

My case is an NZXT H7 Flow (2022).