HP OMEN 15-ax000 OMEN by Laptop PC Maintenance and Service Guide - Page 65

RTC battery, unplugging the AC adapter from the computer.

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2. Remove 1 Phillips 2x5 screw (1), lift the system board (2), and then remove it (3). Reverse this procedure to install the system board. RTC battery Description RTC battery Spare part number 741976-001 IMPORTANT: Make special note of each screw and screw lock size and location during removal and replacement. Before removing the RTC battery, 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 32). 5. Remove the battery (see Battery on page 34), and then remove the following components: a. Hard drive (see Hard drive on page 39). b. SSD (see SSD (M.2) on page 41). c. Fans (see Fans on page 48). d. System board (see System board on page 53). Remove the RTC battery: Component replacement procedures 55

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2.
Remove 1 Phillips 2x5 screw
(1)
, lift the system board
(2)
, and then remove it
(3)
.
Reverse this procedure to install the system board.
RTC battery
Description
Spare part number
RTC battery
741976-001
IMPORTANT:
Make special note of each screw and screw lock size and location during removal
and replacement.
Before removing the RTC battery, 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
32
).
5.
Remove the battery (see
Battery
on page
34
), and then remove the following components:
a.
Hard drive (see
Hard drive
on page
39
).
b.
SSD (see
SSD (M.2)
on page
41
).
c.
Fans (see
Fans
on page
48
).
d.
System board (see
System board
on page
53
).
Remove the RTC battery:
Component replacement procedures
55