Chosen Solution
I power it up. Beeps once. Stays on for roughly 10 seconds Then powers down. Have replaced power and hdmi cords with a machine that works and still nothing.
@mr_nimbus sounds like their answer is on the right track, but their link didn’t show up. Here’s a link to a guide we have about replacing the Power Supply Unit.
Seems like a faulty power supply. Had the same with mine would turn on beep once with blue light and then turn off immediately. Mine was a CUH 7202B model so required a ADP-300FR power supply. If your console is a different model try opening up the console and checking its power supply part number. Here’s a video explaining steps to opening the console and replacing the PSU.
