HP 15 Notebook PC - Maintenance and Service Guide

Description Spare part number
System board with Intel Celeron N2830 processor 782105-001, -501
System board with Intel Celeron N2820 processor 789102-001, -501
System board with Intel Celeron N2815 processor 789100-001, -501
System board with Intel Celeron N2805 processor 787076-001, -501
Before removing the system board, follow these steps:
1. Turn o the computer. If you are unsure whether the computer is o 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 Battery on page 28), and then remove the following components:
a. Optical drive (see Optical drive on page 33).
b. Service door (see Service door on page 29).
c. WLAN module (see WLAN module on page 31).
d. Memory module (see Memory module on page 30).
e. Keyboard (see Keyboard on page 38).
f. Top cover (see Top cover on page 40).
g. Hard drive (see Hard drive on page 44).
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 RTC battery on page 57)
Fan (see Heat sink assembly on page 61)
Heat sink assembly (see Heat sink assembly on page 61)
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) USB/audio board cable
Component replacement procedures 53