Intro:
Agar aapka Wi-Fi ya Bluetooth kaam nahi kar raha ho, toh problem AirPort/Bluetooth board mein ho sakti hai. Is guide se aap us board ko replace kar sakte ho.
🧰 Tools You’ll Need
Phillips #00 screwdriver
Spudger (plastic pry tool)
Tweezers (optional)
⚠️ Safety & Prep
MacBook ko shutdown karo aur charger unplug kar do.
Work surface static-free rakhna.
Battery connector ko pehle disconnect karna zaroori hai taaki internal parts safe rahen.
🛠️ Step-by-Step Instructions
Step 1: Remove Lower Case Screws
Neeche ke 10 screws remove karo:
• 3 screws of 14.4 mm (Phillips #00)
• 3 screws of 3.5 mm (Phillips #00)
• 4 screws of 3.5 mm but with shoulders (Phillips #00)Note: Small screws aligned to the curve of case, straight down nahi jaate.
Step 2: Remove Lower Case
Fingers se lower case ko vent ke paas se pry karo.
Gently lift and remove the lower case.
Step 3: Disconnect Battery
Use the edge of spudger to lift battery connector from logic board.
Lift from both short ends (“walk” it out), careful corners na damage karo.
Step 4: Bend Battery Cable
Thoda sa battery cable ko away bend karo so it na accidentally touch socket during work.
Step 5: Disconnect AirPort / Bluetooth Ribbon Cable
Flat end spudger se ribbon cable connector from logic board pry up.
Carefully lift it — corners fragile ho sakte hain.
Step 6: Disconnect Camera Cable
Pull camera cable parallel (sideways), not upward — to avoid damage.
Step 7: Peel Camera Cable from Bracket
While lifting AirPort board, detach camera cable adhesive from bracket.
De-route camera cable out from under retaining finger in bracket.
Step 8: Disconnect Nearest Antenna Connector
Use spudger tip to lift the antenna cable connector closest to logic board off its socket.
Also route the cable out from under bracket finger.
Step 9: Disconnect Remaining Antenna Connectors
Similarly lift the remaining three antenna cable connectors.
De-route their cables from slots in bracket.
Step 10: Remove Board Mounting Screws
Remove 5 screws:
• 2 screws of 10.3 mm (Phillips)
• 2 screws of 3.1 mm (Phillips)
• 1 screw of 5 mm (Phillips)
Step 11: Remove AirPort / Bluetooth + Subwoofer Assembly
Pull up the assembly (which includes subwoofer) from near optical drive side
Mind antenna contacts near the upper case corner.
Step 12: Detach AirPort / Bluetooth Board from Bracket
Peel off EMI tape covering cable connector.
Remove 3 screws (3 mm Phillips) securing board to bracket.
Carefully lift the board out — be careful of small thermal pad attached to bracket.
🔁 Reassembly
Reinstall in reverse order:
Mount new AirPort/Bluetooth board to bracket
Reconnect antenna cables, camera cable, ribbon cable
Place the assembly back in spot
Reconnect battery, lower case, and screws
