Are you plugging the power supply directly into the wall socket or are you using a power strip/surge protector to plug it into?
Have you tried a different wall outlet, and by that, I mean a completely different circuit. Not a different socket on the same outlet and preferable not a different outlet on the same breaker?
If you have a power strip, have you tried a different one or not using one at all? Which is what you SHOULD be doing anyhow. PSU should never be plugged into power strip unless it is a VERY high quality industrial type model, like those sold by Tripp Lite, Eaton, Leviton, GE industrial, etc. It should be plugged directly into the wall socket or a UPS battery backup that itself is plugged directly into the wall socket, unless you have a very high quality power strip/surge protector. Power strips sold by most consumer manufacturers like Monster, Belkin, most APC (Some APC devices ARE very high quality, but on a model by model basis as they also have some cheap crap too), anything sold by Amazon under it's own name, etc. are not high quality. They are cheap crap regardless of how they are priced. Expensive doesn't always mean quality.
If none of that, and don't make assumptions, actually verify things, applies or is relevant and you've tried two different power supplies and tried jumping the power pins on the motherboard WITH IT DISCONNECTED, entirely (Including ALL wiring coming from the case front panel to the motherboard), and it still did nothing at all, then it almost has to be either two bad power supplies or a bad motherboard. Obviously it COULD also be something like a bad graphics card that has a direct short internally which is causing the protections on the board or power supply to not allow the system to power up, or another connected device doing the same thing, but it's a bit less likely than the board or PSU.
I'd recommend that you fully bench test and do so with no drives installed or attached and the graphics card out, and only a single stick of RAM installed (And if you get the same result, swap it for another stick) in the A2 slot (If there are four DIMM slots) or the slot indicated by the manual for single DIMM operation. It might be that one of the drives (Whether SATA or M.2) or another piece of connected hardware is the problem, but I really think in most cases you'd see SOMETHING going on if it wasn't the PSU or board.
Finding the problem through bench testing If you are here then it’s likely you have encountered a serious hardware issue and have been unable to resolve it using the standard no-POST troubleshooting procedures. If you have not yet attempted to resolve your issues using the no-POST...
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