Computer discharge static electricity from your body before you touch any of your computers electronic components You can do so by touching an unpainted metal surface

The system board's BIOS chip contains the Service Tag sequence, which is also visible on a barcode label on the bottom of the computer. The replacement kit for the system board includes a CD that provides a utility for transferring the Service Tag sequence to the replacement system board.

1. Follow the instructions in "Preparing to Work Inside the Computer."

2. Remove the hard drive.

3. Remove the CD or DVD drive.

4. Remove the memory module(s).

5. Remove the modem.

6. Remove the Mini PCI card.

7. Remove the keyboard.

8. Remove the display assembly.

9. Remove the EMI shield. 10. Remove the video card.

11. Remove the palm rest.

12. Remove the microprocessor thermal-cooling assembly.

13. Remove the microprocessor.

14. Remove the speakers.

15. Remove the two M2.5 x 5-mm screws from the battery bay shield, and remove the shield.

1

battery bay

2

battery bay shield

3

M2.5 x 5-mm screws (2)

16. Remove the three M2.5 x 5-mm system board screws from the hard drive cage.

17. Remove the two M2.5 x 5-mm system board screws from the optical drive cage.

1

hard drive cage

2

M2.5 x 5-mm screws (3)

3

optical drive cage

4

M2.5 x 5-mm screws (2)

18. Remove the two M2.5 x 5-mm screws that secure the left antenna to the hard drive and optical drive cages (Inspiron™ 5100 and 5150 only).

System Board: Dell Inspiron 1100, 5100, and 5150 Service Manual

1

optical drive cage

2

M2.5 x 5-mm screws (2)

3

left antenna

4

hard drive cage

19. Remove the two hex nuts that secure the video connector to the base plastics.

System Board: Dell Inspiron 1100, 5100, and 5150 Service Manual

20. Lift the front of the system board out and away from the base plastics.

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