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A Desktop PC built from off-the-shelf DIY parts, rather than a prebuilt from a major manufacturer. These can also be built by an SI using off-the-shelf parts.

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My pc is also power cycling, Any help or tips?

My pc is also power cycling, I took everything apart and placed it back together and it still does it. Any help or tips?

Update (02/26/2023)

@jayeff

Motherboard: AMD ASRockB450MPro4

PSU: ROSEWILL ARC550 80+ bronze

CPU: ryzen 7 5700G

GPU: Nvidia geforce gtx 1650

RAM: 2x 8gb DDR4 3600

I turn It on and everything lights up but get a black screen for around 30 seconds, then it turns off and immediately starts up by itself again, then repeats the process

No its not brand new

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Mine is also doing the same thing and on top of which I put. when I push the power button it wouldn't Start all in all. it was doing was sitting for about a month or two, unused. So I had to bypass the start switch and jump the wires to get it to try to start and then it power cycle. I'm thinking it might be the CMOS battery Keeping it from running post? I'm going to try that route today and see if that fixes it. If so, I'll post back up on here the results.

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Hi @hugetree

Try a power refresh in case it is a corrupted BIOS.

Turn off the PC and remove the power cord from the PSU.

Open the desktop and remove the coin cell RTC (aka CMOS) battery from the motherboard.

Press and hold the Power button for a full 30 seconds and then release it.

Reinsert the RTC battery (usually +ve on top as marked on the battery)

Reassemble the desktop and connect power to the PSU, turn it on and check.

If still no good connect a system speaker (example only) to the Power LED and Speaker Header pins as shown on p.28 of the user manual and check if there are any beep error codes heard. (see image below)

Block Image

(click on image)

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robert pickell さん、ありがとうございました!
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