Dell Inspiron 3700 Reference Manual page 124

To remove the bay latch assemblies, perform the following steps:
1. Remove the main battery.
2. Remove the device from the media bay.
3. Remove the keyboard assembly.
4. Remove the display assembly.
5. Remove the palmrest assembly.
6. Remove the left bay-latch button from the outside of the bottom case assembly by carefully squeezing the snap tabs to unsnap the latch.
Keep pressure applied to the bay latch and spring while unsnapping the snap tabs to prevent the bay latch assembly from coming loose from
the case. If the bay latch assembly does come loose from the case:
a. Carefully reinsert the spring onto the slider on the bay latch, and reinstall the bay latch into the holding features on the inside of the
case.
b. Ensure that the slider is inserted in its respective hole, that the side of the latch with the two bumps is facing the back of the case, and
that the surface with the wear ribs is facing the bottom of the case (see
7. Snap in the new latch button from the bottom of the base, making certain its snap tabs are fully engaged in the bay latch.
8. Ensure that the newly installed latch moves smoothly and freely when pushed and released.
9. Repeat steps 6 through 8 for the latch on the right side.
Figure 21. Left Bay Latch and Spring
System Board Assembly
The system board's basic input/output system (BIOS) chip contains the system service tag number, which is also visible on a bar-code label on the
bottom of the computer. The replacement kit for the system board assembly includes a diskette that provides a utility for transferring the service tag
number to the replacement system board assembly.
To remove the system board assembly, perform the following steps.
NOTICE: To avoid damaging the system board, remove the power cable, the battery, and the second battery (if installed) before you
service the computer.
1. Remove the main battery.
2. Remove the device from the media bay.
3. Remove the keyboard assembly.
1 Bay latches (2)
2 Springs (2)
3 Bottom case assembly
4 Bay latch buttons (2)
5 Location of snap tabs (2)
6 Sliders (2)
Figure 21).
1 Bump side
2 Wear ribs (2)