HP Pavilion dv4-2100 HP Pavilion dv4 Entertainment PC - Maintenance and Servic - Page 88

USB board

Page 88 highlights

Removal and replacement procedures USB board Description USB board USB board cable Spare part number 486842-001 486843-001 Before removing the USB board: 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 disconnecting the power cord from the AC outlet and then disconnecting the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). 5. Remove the following components: a. Hard Drive (see "Hard Drive" on page 4-8) b. Mini Card compartment cover (see "RTC battery" on page 4-12) c. Mini Card bracket (see "WLAN module" on page 4-15) d. Optical drive (see "Optical drive" on page 4-19) e. Keyboard (see "Keyboard" on page 4-20) f. Keyboard cover (see "Keyboard cover" on page 4-23) g. Speaker assembly (see "Speaker assembly" on page 4-26) h. Display assembly (see "Display assembly" on page 4-27) i. Top cover (see "Top cover" on page 4-34) 4-46 Maintenance and Service Guide

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4–46
Maintenance and Service Guide
Removal and replacement procedures
USB board
Before removing the USB board:
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 disconnecting the power cord from the AC outlet and then
disconnecting the AC adapter from the computer.
4. Remove the battery (see
“Battery” on page 4-7
).
5. Remove the following components:
a.
Hard Drive (see
“Hard Drive” on page 4-8
)
b.
Mini Card compartment cover (see
“RTC battery” on page 4-12
)
c.
Mini Card bracket (see
“WLAN module” on page 4-15
)
d.
Optical drive (see
“Optical drive” on page 4-19
)
e.
Keyboard (see
“Keyboard” on page 4-20
)
f.
Keyboard cover (see
“Keyboard cover” on page 4-23
)
g.
Speaker assembly (see
“Speaker assembly” on page 4-26
)
h.
Display assembly (see
“Display assembly” on page 4-27
)
i.
Top cover (see
“Top cover” on page 4-34
)
Description
Spare part number
USB board
486842-001
USB board cable
486843-001