Removal and replacement procedures
USB board
Description
USB board
Before removing the USB board, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on,
and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then
unplugging the AC adapter from the computer.
4. Remove the battery (see
5. Remove the following components:
a. Optical drive see
b. Hard drive (see
c. Keyboard (see
d. Switch cover (see
e. Power button board (see
f. Display assembly (see
g. Top cover (see
Remove the USB board:
1. Disconnect the USB board cable 1 from the system board.
2. Remove the Phillips PM2.5×60 screw 2 from the system board.
3. Lift the USB board 3 straight up to remove it from the computer.
Reverse this procedure to install a USB board.
4–34
"Battery" on page
("Optical drive" on page
"Hard drive" on page
4-10)
"Keyboard" on page
4-17)
"Switch cover" on page
"Power button board" on page
"Display assembly" on page
"Top cover" on page
4-30)
4-7).
4-8)
4-20)
4-22)
4-23)
Spare part number
531866-001
Maintenance and Service Guide