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‎12-08-2022 12:09 PM

HP Recommended 
 

 Good evening, I have an HP Z620 with e93839 2012 motherboard. The screen is always black and nothing appear (I changed the Sk video several times) I removed memory cards from 8 to 4 from 4 to 2 without effect. I have no error sound signal. Only the CR18 blue light is on on the motherboard (near the rear power button where I read "MEM FAN"). After a few minutes of switching on the fans start spinning quickly but nothing else happens. I have changed all cables, all HD and all fan, and also CPU !!! What can I do? 

 

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