Dell Latitude L400 - Manual (Page 37)

suppport.dell.com Dell Latitude L400 Service Manual 31
13. Remove the modem retainer bracket from the bottom case assembly.
14. Disconnect the speaker wire from the connector on the system board
assembly.
15. Disconnect the fan wire from the connector on the system board
assembly.
16. Lift the system board assembly out of the bottom case assembly.
To replace the system board assembly, perform the following steps:
1. Transfer the memory module(s) to the replacement system board
assembly.
2. Place the new hard-disk drive EMI clip on the system board assembly
(see Figure 23).
Figure 23. Hard-Disk Drive EMI Clip
3. Place the system board assembly in the bottom case assembly.
The I/O ports should protrude comfortably through the openings at the
back of the bottom case assembly.
4. Reconnect the fan wire to the connector on the system board assembly.
5. Reconnect the speaker wire to the connector on the system board
assembly.
6. Replace the modem retainer bracket around the I/O ports and on top of the
modem.
7. Reinstall the M2 x 9.5-mm screw on the right side of the modem to secure
the modem retainer bracket to the system board assembly.
The hole for the M2 x 9.5-mm screw is located by the VGA port.
8. Reinstall the six M2 x 3.5-mm screws that secure the system board
assembly to the bottom case assembly.
White arrows on the system board assembly point to the screw holes.
hard-disk drive
EMI clip
M2 x 3.5-mm screw