Before you begin:
Remove the base enclosure,
battery bracket,
battery,
solid state drives,
hard disk drive assembly,
fan,
trunk,
and heat sink/fan assembly.
Removal:
IMPORTANT: Make careful note of the routing of all the cables for later replacement.
CAUTION! Use care when disconnecting the wireless antenna cables from the wireless module.
A damaged cable or connector can degrade notebook performance.
Carefully disconnect the wireless antenna cables from the wireless module
by grasping the connectors with a small pair of needle nose pliers or tweezers.
Disconnect the power connector cable from its connector on the system board.
Using minimal force, lift the locking bar up on the card reader board ZIF connector
and disconnect the card reader board ribbon cable from the system board.
Using minimal force, lift the locking bar up on the keyboard backlight ZIF connector
and disconnect the keyboard backlight ribbon cable from the system board.
Using minimal force, lift the locking bar up on the touchpad button board ZIF connector
and disconnect the touchpad button board ribbon cable from the system board.
Using minimal force, lift the locking bar up on the keyboard ZIF connector
and disconnect the keyboard ribbon cable from the system board.
Disconnect the LED cable from its connector on the system board.
Using minimal force, lift the locking bar up on the audio board ZIF connector
and disconnect the audio board ribbon cable from the audio board.
Disconnect the speaker cable from its connector on the system board.
Using minimal force, lift the locking bar up on the power button board ZIF connector
and disconnect the power button board ribbon cable from the system board.
Using minimal force, lift the locking bar up on the display panel ZIF connector
and disconnect the display panel cable from the system board.
Remove the seven 3 mm P1 Phillips-head screws
that secure the system board to the top cover.
Lift the system board off of the alignment pins on the top cover and remove.
Replacement:
Note: Before installing a new system board,
remove the following from the old system board and install on the new system board:
Memory Module(s)
Wireless Module
Audio Board Ribbon Cable
Place the system board onto the alignment pins on the top cover.
IMPORTANT: Ensure that all cables are free from being pinched between the system board
and top cover.
Replace the seven 3 mm P1 Phillips-head screws
that secure the system board to the top cover.
Insert the display panel cable into the display panel ZIF connector on the system board
and press the locking bar down to lock the cable into place.
Insert the power button board ribbon cable
into the power button board ZIF connector on the system board
and press the locking bar down to lock the cable into place.
Connect the speaker cable into its connector on the system board.
Insert the audio board ribbon cable
into the audio board ZIF connector on the audio board
and press the locking bar down to lock the cable into place.
Connect the LED cable into its connector on the system board.
Insert the keyboard ribbon cable
into the keyboard ZIF connector on the system board
and press the locking bar down to lock the cable into place.
Insert the touchpad button board ribbon cable
into the touchpad button board ZIF connector on the system board
and press the locking bar down to lock the cable into place.
Insert the keyboard backlight ribbon cable
into the keyboard backlight ZIF connector on the system board
and press the locking bar down to lock the cable into place.
Insert the card reader board ribbon cable
into the card reader board ZIF connector on the system board
and press the locking bar down to lock the cable into place.
Connect the power connector cable into its connector on the system board.
Reconnect the wireless antenna cables to the wireless module.
CAUTION! Use care when connecting the wireless antenna cables to the wireless module.
A damaged cable or connector can degrade notebook performance.
IMPORTANT: After system board replacement,
be sure to complete post-installation tasks as required that may include:
Verifying functionality of the notebook
Updating the BIOS
Updating DMI and other settings