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November 22nd, 2022 07:00

Optiplex 9020 SFF Fan Noise HELP!

I have a Dell Optiplex 9020 SFF running Windows 10 but the fan noise sounds like a jet engine, even when idle. I've updated the BIOS / Windows and even replaced the heatsink and main fan with new thermal paste etc... still the same... it's been to a PC repair shop but even they couldn't get to the bottom of the problem.

Any ideas what else I can try? 

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November 22nd, 2022 07:00

Replace cmos battery with a new battery and clear cmos settings by motherboard RTCRST jumper. Your cmos settings may be corrupted.

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