Dell Inspiron 4100 - Manual (Page 36)

Replacing the Reserve Battery
1. Connect the reserve battery cable to the system board connector.
2. Position the reserve battery above the speaker connector on the system board.
3. Update the BIOS using a flash BIOS update program floppy disk or CD. For instructions on how to flash the BIOS, see " Flashing the BIOS ."
System Speaker Assembly
Removing the Speaker Assemblies
The speakers are located on the front left and right sides of the bottom case. Each speaker assembly is marked with a left or right label. Take note of the
speaker and antenna wire routing so that you can replace them properly under their routing clips.
1 reserve battery
2 speaker connector
3 system board connector
4 reserve battery cable
NOTICE: Disconnect the computer and any attached devices from electrical outlets, and remove any installed batteries.
NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer.
NOTICE: Read " Preparing to Work Inside the Computer " before performing the following procedure.