USB board
Description Spare part number
USB board (for use in products equipped with N17E processors only (GTX 1070/1060) L14990-001
USB board (for use in products equipped with N17P processors only (GTX 1050Ti/1050) L14989-001
Before removing the USB 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 rst unplugging the power cord from the AC outlet and then
unplugging the AC adapter from the computer.
3. Disconnect all external devices from the computer.
4. Remove the following components:
a. Base enclosure (see Base enclosure on page 45)
b. Battery (see Battery on page 38)
c. Optical drive (see Optical drive on page 48)
d. Speakers (see Speakers on page 47)
Remove the USB board:
1. Open the zero insertion force (ZIF) connector (1) and release the USB board cable.
2. Remove the two Phillips M2.0 × 4.0 screws (2) that secure the USB board to the computer.
3. Remove the USB board (3).
Reverse this procedure to install the USB board.
52 Chapter 6 Removal and replacement procedures for authorized service provider parts
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