Manual

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Remove the two screws (1) securing the board to the system board, and then remove the discrete
graphics board (2).
Reverse this procedure to install the discrete graphics board.
Display LED board
Description Spare part number
Display LED board 848374-001
Before removing the display LED board, follow these steps:
1. Turn o the computer. If you are unsure whether the computer is o or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the service door (see Service door on page 33).
5. Remove the service door (see Service door on page 33).
6. Remove the battery (see Battery on page 34).
7. Remove the secondary hard drive (see Hard drive on page 35).
8. Remove the secondary SSD (see Solid-state drives (M.2) on page 39).
Remove the display LED board:
1. Open the ZIF connector (1) on the system board to release the display LED board ribbon cable, and then
release the ribbon cable (2) from the adhesive securing it to the computer.
Component replacement procedures 57