HP HDX X16-1012TX HP HDX 16 Entertainment PC - Maintenance and Service Guide - Page 80

System board

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System board Description Spare part number System board (includes 512 MB of graphics subsystem memory and replacement thermal material) 496460-001 Before removing the system 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 4-8). 5. Remove the following components: a. Optical drive (see "Optical drive" on page 4-9) b. Hard drive (see "Hard drive" on page 4-11) c. TV tuner module (see "TV tuner module" on page 4-13) d. Memory module (see "Memory module" on page 4-15) e. WLAN module (see "WLAN module" on page 4-16) f. Switch cover (see "Switch cover" on page 4-18) g. Keyboard cover (see "Keyboard cover" on page 4-20) h. Keyboard (see "Keyboard" on page 4-24) i. Speaker assembly (see "Speaker assembly" on page 4-30) j. Display assembly (see "Display assembly" on page 4-31) k. Top cover (see "Top cover" on page 4-39) When replacing the system board, be sure that the following components are removed from the defective system board and installed on the replacement system board: ■ RTC battery (see "RTC battery" on page 4-14) ■ Fan/heat sink assembly (see "Fan/heat sink assembly" on page 4-58) ■ Processor (see "Processor" on page 4-61) Removal and replacement procedures 4-45

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Removal and replacement procedures
4–45
System board
Before removing the system 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 4-8
).
5. Remove the following components:
a.
Optical drive (see
“Optical drive” on page 4-9
)
b.
Hard drive (see
“Hard drive” on page 4-11
)
c.
TV tuner module (see
“TV tuner module” on page 4-13
)
d.
Memory module (see
“Memory module” on page 4-15
)
e.
WLAN module (see
“WLAN module” on page 4-16
)
f.
Switch cover (see
“Switch cover” on page 4-18
)
g.
Keyboard cover (see
“Keyboard cover” on page 4-20
)
h.
Keyboard (see
“Keyboard” on page 4-24
)
i.
Speaker assembly (see
“Speaker assembly” on page 4-30
)
j.
Display assembly (see
“Display assembly” on page 4-31
)
k.
Top cover (see
“Top cover” on page 4-39
)
When replacing the system board, be sure that the following components are removed from the defective system
board and installed on the replacement system board:
■
RTC battery (see
“RTC battery” on page 4-14
)
■
Fan/heat sink assembly (see
“Fan/heat sink assembly” on page 4-58
)
■
Processor (see
“Processor” on page 4-61
)
Description
Spare part number
System board (includes 512 MB of graphics subsystem memory and replacement thermal material)
496460-001