Apple macbook pro User Manual

							MacBook Pro Take Apart — Backup Battery 81
To install, remove the adhesive protector and press the backup battery into place in the 
4.  
same location that it was removed.
Connect the cable to the logic board.  
5. 
Note: The connector is keyed. For reinstalling, note its orientation, below.   
						

							MacBook Pro Take Apart — Ambient Light Sensors 82
Ambient Light Sensors
Tools
This procedure requires the following tools: #0 Phillips screwdriver (magnetized)
• 
Torx T6 screwdriver (magnetized)
• 
Black stick (nylon probe 922-5065) (or other non-conductive nylon or plastic flat-blade tool
• 
Preliminary Steps
Before you begin, remove the following:
Batter
•  y
Top Cas
•  e
Part Location 
						

							MacBook Pro Take Apart — Ambient Light Sensors 83
Procedure
The right ambient light sensor is part of the logic board but has a removable dust cover. The left 
sensor is on a circuit board mounted to the left speaker.
To remove the right sensor’s dust cover: 
Remove the screw shown. 
1.  
The cover catches under the logic board. Slide the cover to the left to disengage.  
2.   
						

							MacBook Pro Take Apart — Ambient Light Sensors 84
To remove the left ambient light sensor board:
Remove the screw and dust cover.
1.  
Disconnect the flex connector on the sensor board (connector close-up shown below).
2.  
If replacing the flex cable, also disconnect it on the logic board (close-up shown below).  
3. 
Warning: The connectors are very delicate. Breaking the connector mechanism on the 
logic board requires a replacement logic board! 
4.  Carefully lift the flex connector latch on the sensor board and slide the cable out.   
						

							MacBook Pro Take Apart — Ambient Light Sensors 85
If removing the flex cable on the logic board, carefully lift the latch and remove the cable.
 
5. 
Warning: Breaking this connector mechanism requires a replacement logic board! 
Pry up the sensor board to release its adhesive and remove it from the speaker.  
6.  
  
						

							MacBook Pro Take Apart — Fans 86
Fans
Tools
This procedure requires the following tools: Torx T6 screwdriver (magnetized)
• 
Black stick (nylon probe 922-5065) (or other non-conductive nylon or plastic flat-blade tool
• 
Razor knife
• 
Kapton tape (922-1731 (0.5-inch x 12-yard roll))
• 
Preliminary Steps
Before you begin, remove the following:
Batter
•  y
Top Cas
•  e
Part Location 
						

							MacBook Pro Take Apart — Fans 87
Procedure
To remove the right fan: 
Peel up any Kapton tape and move the speaker cable safely out of the way, then use a razor 
1.  
knife to cut the length of the tape at the seam between the fan cover and the fins.  
Disconnect the fan cable and remove three screws. Lift out the fan.
2.     
						

							MacBook Pro Take Apart — Fans 88
To remove the left fan:
Disconnect the ambient light sensor flex cable on the logic board (close-up shown below). 
1.  
Warning: The connector is very delicate. Breaking the connector mechanism requires a 
replacement logic board! 
  
						

							MacBook Pro Take Apart — Fans 89
Carefully peel the flex cable off the fan cover.
 
2.  
Disconnect the cables shown, and move safely out of the way.  
3.  
						

							MacBook Pro Take Apart — Fans 90
Use a razor knife to cut the length of the tape at the seam between the fan cover and the fins
4.   
Remove the three screws. 
5.