I have a Z87 Classified that decided it no longer wants to power on. It was sitting for a week or so without use, then I pulled the graphics cards to take photos of them, replaced them, and it will no longer power on. The power is getting to the board, as the power button is lit up green as well as the white led next to the BIOS selector switch when the power supply is switched on. When pressing the power button, nothing happens.
I have isolated it to the motherboard, removing it from the case, removing all cards, down to 1 stick of memory and trying again, with no success. Trying the reset CMOS button does nothing. Removing the battery does nothing.
I have tried 3 power supplies (Antec HCP 1200, Antec HCG 750, Corsair TX650) all with no success.
I swapped out the CPU with another CPU, also with no success.
Before RMA'ing it (if I even can) is there anything else to try? It was working fine before that week of resting. I have seen similar problems from other posts, but it always seemed to get fixed by a different PSU, which is not the case here.
Primary: i9-10200x @ 4.8, LianLi Galahad 360A, EVGA x299 FTW-K, 256GB DDR4 2666, EVGA RTX 3090, LianLi O11 Air KittyNode: i5-10400 @ 4.0, Arctic i13, ASUS ROG Strix B460I, 16GB DDR4 2666, GTX 1650 Super, Fractal Node 304