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‎09-12-2021 03:24 AM

HP Recommended
Product: Hp All in one

This morning my computer doesn’t turn on it just emits 3 long beeps then 4 short beeps but it doesn’t turn on. What could be the problem?

Category:
1 person had the same question
1 REPLY 1

‎09-12-2021 03:55 AM

HP Recommended

hi

could be :

The system board displays a power failure (crowbar).*

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.

https://support.hp.com/us-en/document/bph07107

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