Question No Post after put to sleep

Apr 23, 2020
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9700KF, GB Z390 M Gaming, 2080, Corsair CMW32GX4M2E3200C16 64GB

After building the computer, it starts fine, use it, put it to sleep, it'll wake up fine, then after putting it to sleep again after a few uses, it does not wake after leaving it a few days.

I've tried replacing everything and have even RMA'd the CPU for a new one, MB has been checked out as well, nil faults found.

The only thing I can correlate to the cause is the putting to sleep. The lights stay on in the RAM.

Nothing I do gets it to boot again, have tried CMOS clear, different RAM, different GC, different power supply.

Have randomly got it to boot once before, but can't replicate it at all. Have also updated bios..