HP Pavilion 15 Maintenance And Service Manual page 80

Description
HP A4-5050 (1.55 GHz, 2MB L2 1600 MHz DDR3L) quad core, 13.5 W
HP A4-5050 (1.55 GHz, 2MB L2 1600 MHz DDR3L) quad core, 13.5 W
HP A4-5050 (1.55 GHz, 2MB L2 1600 MHz DDR3L) quad core, 13.5 W
Before removing the system board, follow these steps:
1. Turn off 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the battery (see
a. Optical drive (see
b. Service door (see
c. WLAN module (see
d. Memory module (see
e. Keyboard (see
f. Top cover (see
g. Hard drive (see
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:
● Hard drive cable
● Power connector cable
● RTC battery (see
●
Fan (see
● Heat sink assembly (see
Remove the system board:
1. Disconnect the following cables from the system board:
(1) Display panel cable
(2) Speaker cable
(3) Optical drive connector cable
(4) Power connector cable
70 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
Battery on page
Optical drive on page
Service door on page
WLAN module on page
Memory module on page
Keyboard on page
Top cover on page
Hard drive on page
RTC battery on page
Heat sink assembly on page
Heat sink assembly on page
40), and then remove the following components:
45).
42).
44).
42).
51).
55).
59).
74)
78)
78)
Spare part number
755270-001
755270-501
755270-601