RTC battery
To remove the RTC battery, use this procedure and illustration.
Table 5-7
RTC battery description and part number
Description
Spare part number
RTC battery
M34737-001
Before removing the RTC battery, follow these steps:
1.
Prepare the computer for disassembly (
Preparation for disassembly on page 30
).
2.
Remove the bottom cover (
3.
Disconnect the battery cable from the system board (see
Remove the RTC battery:
1.
Use a tool to release the battery from the computer (1).
2.
Disconnect the battery cable from the system board (2).
Reverse this procedure to install the RTC battery.
I/O board
To remove the I/O board, use this procedure and illustration.
Table 5-8
I/O board description and part number
Description
Spare part number
I/O board
M21712-001
I/O board cables (included in Cable Kit)
M21713-001
RJ-45 door (included in Plastics Kit)
M21714-001
Component replacement procedures
39
Summary of Contents for ProBook 450 G8
Page 4: ...iv Safety warning notice ...
Page 8: ...viii ...