Specifications

USB board
Description Spare part number
USB board (includes cable) 735400-001
738702-001
745891-001
Before removing the USB board, follow these steps:
1. Turn off 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the battery (see
Battery on page 63), and then remove the following components:
a. Service cover (see
Service cover on page 64)
b. Hard drive (see
Hard drive on page 65)
c. Optical drive (see
Optical drive on page 76)
d. Keyboard (see
Keyboard on page 79)
e. Base enclosure (see
Base enclosure on page 89)
92 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts