HP
ProDesk 400 G7
- Issue
- Desktop not powering on. Power button LED blinking 5 times — indicates motherboard failure per HP diagnostics.
- Solution
- Found 3 bulging capacitors near CPU VRM section. Replaced all faulty capacitors with same-spec rated components. Tested under load for stabi...
Technician's note
Capacitor failure likely caused by prolonged voltage fluctuation. Recommended UPS installation.
- HP
- Motherboard
- Capacitor



