Z790 PG Riptide won't post i9-14900KF

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   I have built two identical systems:

Z790 PG Riptide (not wifi)
i9-14900KF
RTX 4000A graphics
Corsair DDR5 64GB
Sk Hynix M.2 drive
EVGA G6 850W PS

Both systems will boot with an older processor - i3-13100F.
I booted both into BIOS, updated the BIOS to 17.01 (latest).  Rebooted.  Shut down and cleared CMOS, rebooted - all good.

Both fail to post when I install the i9 processor.

When I try to power up, the fans spin up for about 1 second, the CPU light is on, and it immediately shuts down.

I believe this processor should work according to the ASROCK website.

I'm a bit stumped.

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99hank99 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 3 hours 48 minutes ago Status: Offline Points: 20	Post Options Post Reply Quote 99hank99 Report Post Thanks(0) Quote Reply Topic: Z790 PG Riptide won't post i9-14900KF Posted: 3 hours 41 minutes ago at 1:54am
	I have built two identical systems: Z790 PG Riptide (not wifi) i9-14900KF RTX 4000A graphics Corsair DDR5 64GB Sk Hynix M.2 drive EVGA G6 850W PS Both systems will boot with an older processor - i3-13100F. I booted both into BIOS, updated the BIOS to 17.01 (latest). Rebooted. Shut down and cleared CMOS, rebooted - all good. Both fail to post when I install the i9 processor. When I try to power up, the fans spin up for about 1 second, the CPU light is on, and it immediately shuts down. I believe this processor should work according to the ASROCK website. I'm a bit stumped.