Dell Inspiron 1750 (Mid 2009) - Manual (Page 52)

16. Lift the system board out of the computer base.
17. Turn the system board over.
18. Remove the processor heat sink (see Removing the Processor Heat Sink ).
19. Remove the processor module (see Removing the Processor Module ).
20. Remove the coin-cell battery (see Removing the Coin-Cell Battery ).
Replacing the System Board
1. Follow the procedures in Before You Begin .
2. Replace the coin-cell battery (see Replacing the Coin-Cell Battery ).
3. Replace the processor module (see Replacing the Processor Module ).
4. Replace the processor heat sink (see Replacing the Processor Heat Sink ).
5. Turn the system board over.
6. Align the screw holes on the system board with the screw holes on the computer base.
7. Replace the three screws that secure the system board to the computer base.
8. Connect the speaker cable and the USB module cable to the respective system board connectors.
9. Replace the battery extension board (see Replacing the Battery Extension Board ).
10. Replace the ExpressCard reader board (see Replacing the ExpressCard Reader Board ).
11. Replace the palm rest (see Replacing the Palm Rest ).
12. Replace the Bluetooth card (see Replacing the Bluetooth Card ).
13. Replace the keyboard (see Replacing the Keyboard ).
14. Replace the center control cover (see Replacing the Center Control Cover ).
15. Replace the Mini-Card (see Replacing the Mini-Card ).
16. Replace the optical drive (see Replacing the Optical Drive ).
1 screws (3) 2 system board
3 USB module cable connector 4 speaker cable connector