HP Pavilion 15-au600 Maintenance and Service Guide - Page 55

I/O board, Remove the I/O board

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I/O board Description I/O board DfE I/O board for use in India I/O board cable Spare part number 856370-001 903201-001 856349-001 IMPORTANT: Make special note of each screw and screw lock size and location during removal and replacement Before removing the I/O board, follow these steps: 1. Shut down the computer. 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 base enclosure (see Base enclosure on page 29), and then remove the following components: a. Battery (see Battery on page 31). b. Optical drive (see Optical drive on page 27). c. Hard drive (see Hard drive on page 32). d. Memory (see Memory on page 35). e. WLAN module (see WLAN module on page 38). f. Display assembly (see Display assembly on page 40). g. Fan (see Fan on page 42). h. Heat sink (see Heat sink on page 43). Remove the I/O board: ▲ Disconnect the I/O board cable (1), remove 1 Phillips 2.0x2.5 screw (2), and then lift the I/O board to remove it (3). Component replacement procedures 45

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I/O board
Description
Spare part number
I/O board
856370-001
DfE I/O board for use in India
903201-001
I/O board cable
856349-001
IMPORTANT:
Make special note of each screw and screw lock size and location during removal and replacement
Before removing the I/O board, follow these steps:
1.
Shut down the computer.
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 base enclosure (see
Base enclosure
on page
29
), and then remove the following components:
a.
Battery (see
Battery
on page
31
).
b.
Optical drive (see
Optical drive
on page
27
).
c.
Hard drive (see
Hard drive
on page
32
).
d.
Memory (see
Memory
on page
35
).
e.
WLAN module (see
WLAN module
on page
38
).
f.
Display assembly (see
Display assembly
on page
40
).
g.
Fan (see
Fan
on page
42
).
h.
Heat sink (see
Heat sink
on page
43
).
Remove the I/O board:
▲
Disconnect the I/O board cable
(1)
, remove 1 Phillips 2.0x2.5 screw
(2)
, and then lift the I/O board to
remove it
(3)
.
Component replacement procedures
45