CAUTION: Observe all precautions when removing and replacing components.
Before you begin: Remove the battery, optical drive, if installed, and base enclosure.
Removal:
Carefully disconnect the wireless antenna cable from the wireless LAN module.
CAUTION: Use care when disconnecting the wireless antenna cable from the wireless LAN module.
A damaged cable or connector can degrade notebook performance.
Gently lift up on the locking bar on the display panel ZIF connector
on the system board and remove the display panel cable.
IMPORTANT: Use care to prevent damaging the ZIF connector and cable.
On TOP touch screen models, disconnect a second cable bundled with the display panel cable.
NOTE: Take note of the routing paths of the display panel cable,
speaker cable, and the wireless antenna cable, for later replacement.
Also note the locations of the tape holding the three cables in place on the system board.
Peel up all of the tape that secures the wireless antenna cable, speaker cable,
and the display panel cable to the system board.
Lift the wireless antenna cable up off of the system board,
and out of its cable clip on the system board.
Lift the speaker cable and display panel cable off of the system board.
Disconnect the DC-in power connector cable from the system board.
Gently lift up on the locking bar on the power button board ZIF connector
on the system board and remove the power button board ribbon cable.
IMPORTANT: Use care to prevent damaging the ZIF connector and ribbon cable.
Disconnect the fan cable from the system board.
Disconnect the speaker cable from the system board.
Gently lift up on the locking bar on the fingerprint reader board ZIF connector
on the system board and remove the fingerprint reader board ribbon cable.
IMPORTANT: Use care to prevent damaging the ZIF connector and ribbon cable.
Gently lift up on the locking bar on the touchpad button board ZIF connector
on the system board and remove the touchpad button board ribbon cable.
IMPORTANT: Use care to prevent damaging the ZIF connector and ribbon cable.
Gently lift up on the locking bar on the USB board ZIF connector
on the system board and remove the USB board ribbon cable.
IMPORTANT: Use care to prevent damaging the ZIF connector and ribbon cable.
Gently lift up on the locking bar on the hard disk drive ZIF connector
on the system board and remove the hard disk drive ribbon cable.
IMPORTANT: Use care to prevent damaging the ZIF connector and ribbon cable.
Gently lift up on the locking bar on the keyboard ZIF connector
on the system board and remove the keyboard ribbon cable.
IMPORTANT: Use care to prevent damaging the ZIF connector and ribbon cable.
Remove the five 3.5 millimeter P1 Phillips-head screws
that secure the system board to the top cover.
Remove the three millimeter P1 Phillips-head screw
that secures the system board to the top cover.
Carefully lift up and remove the system board.
Replacement:
NOTE: Before installing a new system board,
remove the memory, heat sink, and wireless LAN module
from the old system board and install onto the new system board.
Using care not to pinch any cables,
place the system board onto the alignment pins and screw holes on the top cover.
CAUTION: Inspect the edges of the system board to confirm
that no cables are under the system board before proceeding.
Replace the three millimeter P1 Phillips-head screw
to secure the system board to the top cover.
Replace the five 3.5 millimeter P1 Phillips-head screws
to secure the system board to the top cover.
Insert the keyboard ribbon cable into the ZIF connector on the system board
and gently press down on the ZIF connector locking bar.
IMPORTANT: Use care to prevent damaging the ZIF connector and ribbon cable.
Insert the hard disk drive ribbon cable into the ZIF connector on the system board
and gently press down on the ZIF connector locking bar.
IMPORTANT: Use care to prevent damaging the ZIF connector and ribbon cable.
Insert the USB board ribbon cable into the ZIF connector on the system board
and gently press down on the ZIF connector locking bar.
IMPORTANT: Use care to prevent damaging the ZIF connector and ribbon cable.
Insert the touchpad button board ribbon cable into the ZIF connector
on the system board and gently press down on the ZIF connector locking bar.
IMPORTANT: Use care to prevent damaging the ZIF connector and ribbon cable.
Insert the fingerprint reader board ribbon cable into the ZIF connector
on the system board and gently press down on the ZIF connector locking bar.
IMPORTANT: Use care to prevent damaging the ZIF connector and ribbon cable.
Connect the speaker cable to the system board.
Connect the fan cable to the system board.
Insert the power button board ribbon cable into the ZIF connector
on the system board and gently press down on the ZIF connector locking bar.
IMPORTANT: Use care to prevent damaging the ZIF connector and ribbon cable.
Connect the DC-in power connector cable to the system board.
Insert the display panel cable into the ZIF connector on the system board
and gently press down on the ZIF connector locking bar.
IMPORTANT: Use care to prevent damaging the ZIF connector and cable.
On TOP touch screen models, connect a second cable bundled with the display panel cable.
Tuck the wireless antenna cable into its cable clip on the system board.
Connect the wireless antenna cable to the wireless LAN module.
IMPORTANT: Connect the antenna cable to terminal one.
CAUTION: Use care when connecting the wireless antenna cable to the wireless LAN module.
A damaged cable or connector can degrade notebook performance.
Route and re-apply all of the tape removed earlier over the speaker cable,
wireless antenna cable, and display panel cable over the system board.
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.
Continue the reassembly: Replace the base enclosure, optical drive, if installed, and battery.