Case Study · Satellite
HP Pavilion 15 No Display — Motherboard Chip-Level Repair
Device
HP Pavilion 15-eg (2022)
Time Taken
3 days
Cost Range
₹5,999
The Issue
No display, fan spinning, external HDMI also dead.
Diagnosis
Failed PCH bridge chip (BGA). Reballing required.
Repair Process
- Board-level diagnostics
- PCH removal on BGA station
- Reball & reflow
- Thermal paste refresh
Result
Boots normally, GPU stress-tested for 4 hours.