Dell Inspiron 3800 User Manual download pdf (Page 65)

Figure 23. System Board Assembly

10. Lift the system board assembly out of the bottom case assembly.

Be sure to transfer the memory module(s) to the replacement system-board assembly.

Insert the diskette that accompanied the replacement system board assembly into the diskette drive, and turn on the

computer. Follow the instructions on the display screen.

After replacing the system board assembly, be sure to enter the system’s service tag number into the BIOS of the

replacement system-board assembly.

Thermal Cooling Assembly

Figure 24. Thermal Cooling Assembly

To remove the thermal cooling 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.

4. Remove the display assembly.

5. Remove the palmrest assembly.

6. Remove the microprocessor module.

7. Remove the modem (if present).

System board assembly

Bottom case assembly

4-mm screws with captive

washers (2)

4-mm screws (2)

Thermal cooling assembly and

exhaust fan

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Dell Inspiron 3800 User Manual Page 65