Service Manual

Steps
1. Align the I/O ports on the system board to the I/O port slots on the palm-rest and keyboard assembly.
2. Using the alignment posts, slide and at angle and place the system board on the palm-rest and keyboard assembly.
3. Replace the screw (M2x2) that secures the system board to the palm-restand keyboard assembly.
NOTE: This step only applies to computers shipped with a 6-cell (78 Wh) battery configuration.
NOTE: Do not replace the screw in the location marked Inspiron 7300.
4. Connect the power-adapter port cable to the connector on the system board.
5. Connect the speaker cable to the connector on the system board.
6. Connect the keyboard cable to the connector on the system board and close the latch.
7. Connect the keyboard-backlight cable to the connector on the system board and close the latch.
8. Connect the touchpad cable to the connector on the system board and close the latch.
9. Connect the I/O-board cable to the connector on the system board and close the latch.
10. Adhere the tape that secures the I/O-board cable connector latch to the system board.
11. Connect the fingerprint-reader board cable to the connector on the system board and close the latch, if applicable.
12. Connect the coin-cell battery cable to the system board.
13. Connect the antenna cables to the wireless card on the system board.
The following table provides the antenna-cable color scheme for the wireless card supported by your computer.
Table 3. Antenna-cable color scheme
Connectors on the wireless card Antenna-cable color
Main (white triangle) White
Auxiliary (black triangle) Black
Removing and installing components 59