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- HP Elite Desk 800 G1 SFF fan spins at max rpm but shows blac...

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06-06-2024 08:25 AM
Hi everyone, I have an EliteDesk 800 G1 SFF, it has a 4th Gen i5 4590 CPU with 12GB Ram (Samsung 4GB and a Patriot 8GB in dual channel), 320-watt PSU and the original HDD, running on windows 10 pro.
I got home from work and tried to put in on, but when I did, I noticed that the little led on the start button didn't blink, on the monitor it just showed a black screen with a " no signal" sign, and after a minute or so of being turned on the CPU started to spin very fast, so I quickly pulled the plug out of the socket. I've tried removing all USB connections, trying it with one stick of RAM but it's still doing the same thing. Can anyone help me to figure out this issue? all help would be much appreciated.