Input · Vasna · 2026-07-19
HP EliteBook 840 G6 — Keyboard Replacement in Vasna, Ahmedabad
Quick answer
HP EliteBook 840 G6 (enterprise ultrabook (8th-gen i7, 14″ FHD)) arrived with: Multiple dead keys, repeated characters and an intermittently dead trackpad. Root cause: Worn membrane traces in the key matrix plus a cracked FPC ribbon at the fold point. Repaired at HOPE Systems Ahmedabad for ₹2,599 in 2 hours, with a 90-day warranty. Success rate for this repair category: 98%.
Device & specification
enterprise ultrabook (8th-gen i7, 14″ FHD)
Reported symptom
Multiple dead keys, repeated characters and an intermittently dead trackpad.
“I've been using an external keyboard for three months — it's time.”
Diagnostic procedure
- Key-matrix test in a hardware keyboard tester
- FPC ribbon inspection under microscope
- Controller line continuity check
Root cause analysis
Worn membrane traces in the key matrix plus a cracked FPC ribbon at the fold point.
Step-by-step repair process
- Palm-rest assembly removed
- New keyboard unit installed with fresh rivets/screws
- Trackpad ribbon reseated and tested
- All keys verified in tester
- Backlight uniformity checked
Parts replaced & costs
| Part | Cost (INR) |
|---|---|
| Replacement keyboard assembly | ₹2,100 |
| Total billed (parts + labour) | ₹2,599 |
Quality-control testing
- Full power-cycle test (10 cycles)
- 2-hour stress/burn-in with thermal logging
- Port, Wi-Fi, audio, camera and battery-charge verification
- Final cosmetic clean and screw-torque audit
Customer review
★★★★★
“Keyboard Replacement on my HP EliteBook 840 G6 was handled honestly at HOPE Systems — clear quote before work, free pickup from Vasna, and it came back working perfectly within the promised 2 hours.”
— Ankit Patel, Vasna
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