Intro:
Agar aapka MacBook ka built-in microphone fault kar gaya hai — recording mein sound nahi aa rahi ya distorted hai — toh is guide se aap microphone module ko replace kar sakte hain.

🧰 Tools You’ll Need

  • Phillips #00 screwdriver

  • Spudger / plastic pry tool

  • T6 Torx screwdriver

⚠️ Safety & Prep

  • MacBook ko shutdown karo aur power unplug kar do.

  • Anti-static surface pe kaam karo.

  • Battery connector ko pehle disconnect karna zaroori hai to avoid electrical damage.

📋 Step-by-Step Instructions

Step 1: Remove Lower Case Screws

  • MacBook ko ulta rakho.

  • Neeche ke 10 screws remove karo:
    • 7 screws (3 mm)
    • 3 screws (13.5 mm) (hinge side)

Step 2: Lift Off Lower Case

  • Lower case ko thoda lift kar ke peeche ki taraf slide karo so that mounting tabs free ho jaayen.

  • Fir poori case alag karo.

Step 3: Disconnect the Battery

  • Spudger ka flat side use karo battery connector ko logic board se gently lift karo and disconnect.

Step 4: Disconnect the Fan Cable

  • Fan cable connector ko spudger se upar pry karo.

  • Thoda twist karte hue lift karo so connector release ho jaaye without damaging socket.

Step 5: Remove Fan Screws & Take Out Fan

  • Unscrew:
    • One 7 mm T6 Torx screw
    • Two 5.4 mm T6 Torx screws

  • Phir fan ko upper case se utha ke nikaalo.

Step 6: Disconnect Display Data Cable

  • Pull the plastic tab on the display data cable lock toward the DC-In side.

  • Gently pull the cable connector straight out (parallel to circuit board).

  • Do not pull upward, warna connector ya socket damage ho sakta hai.

Step 7: Remove Display Data Cable Bracket

  • Remove two Phillips screws (8.6 mm + 5.6 mm) holding the bracket.

  • Lift bracket out of upper case.

Step 8: Disconnect Subwoofer / Right Speaker Cable

  • Use spudger to pry the connector up off the logic board.

Step 9: Disconnect Camera Cable

  • Pull the camera cable connector toward the optical drive to detach.

  • Be careful — socket is metal and can bend; align properly when reconnecting.

Step 10: Disconnect Optical Drive, Hard Drive & Trackpad Cables

  • Use spudger to pry connectors of optical drive, hard drive, and trackpad off logic board.

Step 11: Disconnect Keyboard Ribbon Cable

  • Flip up the retaining flap on the ZIF socket.

  • Use spudger to slide the keyboard ribbon cable out.

Step 12: Peel Tape from Keyboard Backlight Cable

  • Peel off small strip of black tape covering the backlight cable socket.

Step 13: Disconnect Backlight Cable

  • Flip up the retaining flap; slide the backlight ribbon cable out of its socket.

Step 14: Disconnect Battery Indicator Cable

  • Use spudger to pry the battery indicator connector off the logic board.

Step 15: Remove Microphone Adhesive

  • Locate the microphone module.

  • Use flat end of spudger to gently pry microphone off adhesive holding it to upper case.

Step 16: Peel Tape Off Microphone Cable Connector

  • Remove tape covering microphone cable connector to expose it.

Step 17: Disconnect Microphone Cable

  • Use spudger to pry up the microphone cable connector from the logic board.

  • Also deroute the microphone cable out of the channel near the left speaker.

Step 18: (Optional) Remove or Reposition Battery & Logic Board

  • It’s easier if battery is removed first; else be careful not to bend logic board.

  • Remove the two tri-point screws (5.5 mm + 13.5 mm) securing battery to upper case.

  • Lift battery out gently.

Step 19: Remove Logic Board

  • Lift the logic board from its left edge until ports clear the upper case.

  • Pull board gently out, minding DC-In board may catch.

✅ Reassembly

Reverse all steps:

  • Microphone module wapas install karo

  • Cable connectors, backlight, keyboard, display, fan, battery, bottom case — sab theek se lagao

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