HP EliteBook 745 Maintenance and Service Guide - Page 61

RTC battery, Disconnect the battery cable from the system board see

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RTC battery Table 6-3 RTC battery description and part number Description RTC battery Spare part number L17255-001 Before removing the RTC battery, follow these steps: 1. Prepare the computer for disassembly (Preparation for disassembly on page 34). 2. Remove the bottom cover (see Bottom cover on page 34). 3. Disconnect the battery cable from the system board (see Battery on page 46). Remove the RTC battery: 1. Disconnect the RTC battery cable from the system board (1). 2. Using a flat tool, pry the battery from the holder (2), and then remove the battery from the computer (3). Reverse this procedure to install the RTC battery. Component replacement procedures 51

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RTC battery
Table 6-3
RTC battery description and part number
Description
Spare part number
RTC battery
L17255-001
Before removing the RTC battery, follow these steps:
1.
Prepare the computer for disassembly (
Preparation for disassembly
on page
34
).
2.
Remove the bottom cover (see
Bottom cover
on page
34
).
3.
Disconnect the battery cable from the system board (see
Battery
on page
46
).
Remove the RTC battery:
1.
Disconnect the RTC battery cable from the system board
(1)
.
2.
Using a
flat
tool, pry the battery from the holder
(2)
, and then remove the battery from the computer
(3)
.
Reverse this procedure to install the RTC battery.
Component replacement procedures
51