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System Board
Dell™Inspiron™1420/DellVostro™1400
Service Manual
Removing the System Board
Replacing the System Board
Removing the System Board
The system board's BIOS chip contains the Service Tag, 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 to the replacement system board.
1. Follow the instructions in Before You Begin.
2. Remove the hard drive (see Removing the Hard Drive).
3. Remove the optical drive (see Removing the Optical Drive).
4. Remove the WLAN card, if applicable (see Removing a WLAN Card).
5. Remove the WWAN card, if applicable (see Removing a Mobile Broadband or WWAN Card).
6. Remove the Flash Cache Module, if applicable (see Removing the FCM).
7. Remove the modem, if applicable (see Modem).
8. Remove the internal card with Bluetooth Wireless technology, if applicable (see Removing and Replacing Internal Card With Bluetooth® Wireless
Technology).
9. Disconnect the cable for the internal card with Bluetooth Wireless technology from the system board.
10. Remove the keyboard cover (see Removing the Keyboard Cover).
11. Remove the keyboard (see Removing the Keyboard).
12. Remove the display assembly (see Removing the Display Assembly).
13. Remove all memory modules (see Removing the Memory Module).
14. Remove the microprocessor thermal-cooling assembly (see Removing the Microprocessor Thermal-Cooling Assembly).
15. Remove the microprocessor module (see Removing the Microprocessor Module).
16. Remove the palm rest (see Removing the Palm Rest).
17. Remove the IO panel and speaker connectors from the system board.
CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide.
NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal
surface, such as the back panel on the computer.