Dell Precision 7740 Service Manual

Installing the battery

1. To install the 6-cell battery:
   1. Place the battery onto its slot in the system [1].
   2. Replace the 3 (M2.5x3.0) screws to secure the battery to the system [2].
   3. Connect the battery cable to the connector in the battery [3].
      
2. To install the 4-cell battery:
   1. Place the battery onto its slot in the system [1 , 2].
   2. Replace the 2 (M2.5x3.0) screws to secure the battery to the system [3].
   3. Connect the battery cable to the connector in the system board [4].
      
3. Install the:
   1. battery cover
   2. SD card
4. Follow the procedure in After working inside your computer.