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‎05-29-2022 12:30 PM - edited ‎05-29-2022 01:14 PM

HP Recommended
Product: Hp prodesk 400 g3 sff
Operating System: Microsoft Windows 11

worked just fine (tested before) , needed to make a factory reset after buying secondhand. Now says no signal and make a short beep on startup.

 

tried to push cmos button for 30 seconds 2 times no luck 

I cannot locate any cmos battery (found it change it )

changed sata cabel from cd drive to hardrive (but still no signal )

Also tried unplugging everything 

 

what to do 

 

kind regards 

Anders 

 

 

 

 

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