I had something like this once, in that case it was front io connected to wrong pins on motherboard.
this post was submitted on 23 Nov 2024
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Reseated them again and made sure they were all facing the same way now, per the book, and still nothin
Your board has a debugging code at the bottom, do they light up?
If they do, you can find the number in the manual
If they don't light up, then I'd assume the board isn't getting power, try removing the mobo from the case and check if you've got any case standoffs in places where they'd touch the mobo.
Your CPU has integrated graphics, so while the motherboard's out try testing it with just the CPU, RAM and PSU.
If it still doesn't work you might have to try using a different mobo / try and get an RMA on your current.
No code, which is maddening. I can hear the backup power supply I'm plugged into trying to turn on when I hit power the first time, and the RGB on the board itself as well as the smart switches light up
Did you try taking the mobo out the case and testing it, the CPU and RAM? If you did and it's still not working, then I'd follow u/dcdc's advice and update the bios, the board could be on an early build that doesn't support your RAM.
Here's a link to updating your BIOS without posting.
And the latest (non beta) BIOS link.
Had the same exact issue - upgrade BIOS. You need to download from ASRock, write to USB, and follow instructions using the button on motherboard since no display.
And I have to do that for first post?
Remove everything but the PSU, motherboard, and CPU. Everything, including RAM, fans, front USB, power button, etc. Then short the power-on pin to ground.
Also try testing the PSU independently as mentioned in the other comment by shorting green to black.
Used the tester that came with it on the PSU separately, everything turned on
edit: you waited hours, nevermind. But fyi-
Is it doing the ddr5 training?
https://hardforum.com/threads/long-boot-time-for-am5-normal.2034383/
make sure you have a cable directly from monitor to the motherboard/GPU if you installed one already. Don't go through a dock as some docks need firmware drivers, that could be the cause of failure.
Straight into the board an no dock
On the off chance your front io buttons are broken, try bridging the contacts with a screwdriver?
Also, you may want to test your PSU by bridging the green wire to black, on the large 20 pin connector (disconnect first to be safe)
The board has a power button on it as well that also doesn't respond, the RGB and buttons on the board light up though nothin
Pretty unlikely that the board button and the case button are both broken, you may have a brick on your hands.
Worth testing the PSU anyway, in case only one of the voltages is broken. But you'll need a multimeter.
Are you sure you used the right number of standoffs underneigth? No shorts or anything?
There are 9 in the case, all at the eatx spots with the one in the center having a raised point to act as a guide for the rest
Have you tried a minimal build? Mobo, CPU, 1 stick of ram, nothing else?
Try a couple of the ram sticks, but only one at a time?
I still suspect you have a dead mono, but its worth a try in case something else is causing a short or something.