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ProDesk 400 G2 MT - Motherboard replaced, BIOS errors

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Motherboard defective, after replacing motherboard the POST reported

921-Front USB 1 Not Connected

512-Rear Chassis fan not detected

 

The motherboard was delivered with BIOS version 2.45, I have upgraded to 2.47 and 2.49 (latest), reset the BIOS to defaults, to no avail. The messages persist.

 

I have also reset the CMOS using the instructions found, but this did nothing to fix the issue.

 

Searching on the subject reveals more issues with at least the rear chassis fan not being detected. Any issue with the BIOS perchance?

 

Thanks for any assistance in the matter.

 

Kind regards,

Jaap


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