HP ProBook 5320m HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 74

USB board, Remove the two Torx T8M2.5×4.0 screws - removing usb

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Removal and replacement procedures USB board Description USB board (includes cable) Spare part number 618825-001 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 "Battery" on page 4-7). 5. Remove the following components: a. Accessory cover (see "Mass storage device" on page 4-9) b. Keyboard (see "Keyboard" on page 4-23) c. Button board and cable (see "Button board and cable" on page 4-26) d. Top cover (see "Top cover" on page 4-28) e. System board (see "System board" on page 4-33) Remove the USB board: 1. Disconnect the microphone cable 1 from the USB board. 2. Remove the two Torx T8M2.5×4.0 screws 2 that secure the USB board to the base enclosure. 3. Remove the USB board 3 and cable. Reverse this procedure to install the USB board. 4-40 Maintenance and Service Guide

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Maintenance and Service Guide
Removal and replacement procedures
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
“Battery” on page 4-7
).
5. Remove the following components:
a.
Accessory cover (see
“Mass storage device” on page 4-9
)
b.
Keyboard (see
“Keyboard” on page 4-23
)
c.
Button board and cable (see
“Button board and cable” on page 4-26
)
d.
Top cover (see
“Top cover” on page 4-28
)
e.
System board (see
“System board” on page 4-33
)
Remove the USB board:
1. Disconnect the microphone cable
1
from the USB board.
2. Remove the two Torx T8M2.5×4.0 screws
2
that secure the USB board to the base enclosure.
3. Remove the USB board
3
and cable.
Reverse this procedure to install the USB board.
Description
Spare part number
USB board (includes cable)
618825-001