HP 15-ac500 Maintenance and Service Guide - Page 68

To remove the system board, USB board cable

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Description ● Intel Pentium 3825U processor ● Intel Celeron N3050 processor Spare part number 824453-001, 601 816433-001, -501, -601 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 32). 5. Remove the optical drive (see Optical drive on page 33), if installed. 6. Remove the bottom cover (see Bottom cover on page 39). 7. Remove the hard drive (see Hard drive on page 42). NOTE: 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: ● WLAN module (see WLAN module on page 44) ● Memory module (see Memory module on page 46) To remove the system board: 1. Position the computer upright, and then disconnect the following cables from the system board: (1): USB board cable (2): Optical drive connector cable (3): Keyboard cable (4): Power connector cable (5): Display cable (6): Power button board cable (7): TouchPad button board cable (8): Speaker cable 60 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts

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Description
Spare part
number
●
Intel Pentium 3825U processor
824453-001,
601
●
Intel Celeron N3050 processor
816433-001,
-501, -601
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
32
).
5.
Remove the optical drive (see
Optical drive
on page
33
), if installed.
6.
Remove the bottom cover (see
Bottom cover
on page
39
).
7.
Remove the hard drive (see
Hard drive
on page
42
).
NOTE:
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:
●
WLAN module (see
WLAN module
on page
44
)
●
Memory module (see
Memory module
on page
46
)
To remove the system board:
1.
Position the computer upright, and then disconnect the following cables from the system board:
(1)
: USB board cable
(2)
: Optical drive connector cable
(3)
: Keyboard cable
(4)
: Power connector cable
(5)
: Display cable
(6)
: Power button board cable
(7)
: TouchPad button board cable
(8)
: Speaker cable
60
Chapter 6
Removal and replacement procedures for Authorized Service Provider parts