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‎11-01-2019 11:33 AM

HP Recommended
Product: HP pavilion all in one pc

I just moved to another stated.  Computer was working fine when I left. I turned it on and I get 3 loud beeps followed by 4 low beeps 5 times. Then and error message comes up stating unsupported adapter installed. It then shuts down after a few seconds. 

1 REPLY 1

‎11-01-2019 05:16 PM - edited ‎11-01-2019 05:19 PM

HP Recommended

Greetings,

Welcome to the forum.

I am not a HP employee.

 

A 3:4 BIOS error cadence means you have a hardware problem. A "crowbar" failure refers to a hardware event.

 
Indicates potential power system failure.
  1. Reduce to minimum config (CPU, System board, PSU, 1 DIMM of memory) and isolate failed component.
  2. Reduce further if issue persists.
  3. Test known good PSU.
  4. Replace affected component.
  5. If unable to confirm source, replace CPU, System Board, PSU.

 

Are you starting the AIO with only a keyboard and mouse connected to the PC?

 

It is best to have HP (in warranty) (Link) or a local, reliable PC tech locate the bad component if you are not comfortable working on motherboard components or replacing the external power supply.

 

Regards

 

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