Question No POST/boot after shutdown, new PC

Jun 8, 2021
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I am having an issue getting my motherboard to POST. This has occured pretty much since I purchased the pc about 2 months ago. When I can get it to boot up into Windows it works fine and doesn't turn off or restart at all, no issues. If I shutdown the pc or if the power plug is disconnected the pc refuses to POST upon booting again, but restarting it from windows menu doesn't cause the issue. The power on LED comes on, I can hear the hard drive, and all fans spin at high speed but, no display input or power to mouse/keyboard. It then turns off after about 15 seconds on it's own, then powers back on again without POST and it stays on for good with the same symptoms I just desctibed (no display signal or keyboard/mouse power from usb). I've been resetting the bios and leaving it unplugged for a little bit to get it to POST again in the past and it would work sporadically. Recently though, I put it in hibernate overnight and since then nothing is getting it to POST. I've tried leaving it unplugged overnight with the cmos battery removed because it would work again by doing it in the past. Even replaced the cmos battery with a new one. I've done all the possible troubleshooting imaginable for every peice of hardware except trying a different psu and motherboard. No beeps/buzz from internal buzzer. My question is, will a psu or mobo slowly cause this issue or could it be bios related or something else? Any info would be appreciated. Thanks!



HP Pavillion TP01-1056

Intel Core i7-10700

8gb 4ddr Ram

Windows 10 64bit
 
May 18, 2021
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Are you able to remove the RAM stick/s (because many OEMs sold them to the motherboard)? If it's possible and you didn't try it, please do it, RAM could be definitely causing this problem.
 
Jun 8, 2021
2
0
10
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Are you able to remove the RAM stick/s (because many OEMs sold them to the motherboard)? If it's possible and you didn't try it, please do it, RAM could be definitely causing this problem.
Yes I am able to and I have tried this. It only came with 1 stick of 8gb ddr4 ram. It does the same thing with or without the ram in, and no beeps/buzz from the built-in buzzer speaker on the motherboard.
 

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