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Turns on but no POST or display

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vodka_pong97 View Drop Down

Joined: 17 Aug 2021
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    Posted: 17 Aug 2021 at 7:54pm
Z370 Killer SLI/ac

i9-9900k OC to 5.0 @ 1.3v

Came back to frozen PC, rebooted and now I get no display. Everything powers on but have no picture. I don't believe it's even getting to Windows because after a few min, I press the power button once (which should initiate a shutdown from Windows) and nothing happens. I'm not sure if it's the motherboard or CPU. I tried the onboard HDMI port to eliminate the GPU and get no display still.

-Reseated RAM, GPU, CPU power cable, GPU power cable
-Reset CMOS with jumper and removing battery
-Different monitor

Today I'm going to try a different CPU. It's an i5-8500T which is on the compatibility list for the Killer SLI but NOT for the Killer SLI/ac. Not sure what the difference would be for the chipset when it's the same socket? If my current CPU is bad and I put this in, it should still POST even if not "compatible" right?
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Xaltar View Drop Down
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Joined: 16 May 2015
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Post Options Post Options   Thanks (1) Thanks(1)   Quote Xaltar Quote  Post ReplyReply Direct Link To This Post Posted: 17 Aug 2021 at 10:32pm
I am not sure why the 8500t isn't on the list for the ac model but it should post
as far as I am aware. It's just a low power variant of the 8500 and the 9500t is
listed. A bit annoying for you as if it does not post you can't be 100% certain
it's not the CPU.

If you have not already, try another PSU. This is always the first thing I try when
a system suddenly stops working correctly after being stable/in use for a long
time. Very often the PSU has degraded and is no longer able to handle the system.
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