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HP Probook 450 G9 - I;O Board

HP Probook 450 G9
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Table 6-2 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 (see Preparation for disassembly on page 40).
2. Remove the bottom cover (see Bottom cover on page 40).
3. Disconnect the battery cable from the system board (see Battery on page 50).
Remove the RTC battery:
1. Disconnect the battery cable from the system board (1).
2. Remove the cable from the clips in the computer chassis (2).
3. Use a tool to release the battery from the computer (3).
Reverse this procedure to install theRTC battery.
I/O board
To remove the I/O board, use this procedure and illustration.
Table 6-3
I/O board description and part number
Description Spare part number
I/O board N01502-001
I/O board cables (included in Cable Kit) N01915-001
RJ-45 (network) jack door (included in Plastics Kit) M21994-001
52 Chapter 6Removal and replacement procedures for authorized service provider parts

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