MacBook Pro M2 Liquid Damage Repair — Salmiya

Case Context

The Problem

The client accidentally spilled coffee across the keyboard of their MacBook Pro 14" M2 Pro. The device powered off immediately, and on restart the fan spun briefly but the screen stayed completely black. With months of unbacked-up project files on the drive, an Apple Authorized Center quote of 280 KWD for a full board swap — with total data loss — was not an option. The client reached out via WhatsApp for a second opinion, and we dispatched a free emergency pickup to Salmiya the same day.

The Diagnosis

1. 1Main power rail short: corrosion found on the PPBUS_G3H rail, which distributes power throughout the board.
2. 2Blown MOSFET: the Q7510 MOSFET had shorted out, cutting power delivery entirely.
3. 3Display circuit: secondary liquid damage had tripped the backlight fuse, explaining the black screen despite the fan spinning.

Diagnostic Tools

The Repair Process

1. 1Ultrasonic cleaning: the board was stripped and run through an industrial ultrasonic cleaner to remove microscopic coffee residue and copper corrosion from beneath the chips.
2. 2Micro-soldering: the shorted Q7510 MOSFET was removed with precision hot-air rework and replaced with an OEM equivalent.
3. 3Fuse replacement: the blown backlight fuse was traced and replaced, restoring power to the display.
4. 4Stress testing: after reassembly with fresh thermal paste, the board ran a continuous 4-hour full-load test to confirm thermal and electrical stability.

Testing & Verification

The Outcome

The MacBook powered on and passed full hardware diagnostics. Because the original motherboard was repaired rather than replaced, the onboard storage — soldered directly to that board and tied to its Secure Enclave — was never touched, so all client data was preserved. The device was back in Salmiya within 36 hours, at 65 KWD versus the 280 KWD board-swap quote: a 215 KWD saving, with data intact and a 30-day warranty included.

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