Compaq LTE 5100 Maintenance And Service Manual page 240

To install the power supply, reverse the procedure presented above. Be
sure to reconnect the ground wire.
Chapter 7.8 Main Board
To remove the main board, complete the following steps:
1. Prepare the expansion base for disassembly as described in Section 7.3.
2. Remove the two shoulder screws from the computer connector as shown in
Figure 7-17.