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Coin-Cell Battery

Dell™ Inspiron™ 300/400 Service Manual

  Removing the Coin-Cell Battery

  Replacing the Coin-Cell Battery

WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.

WARNING: A new battery can explode if it is incorrectly installed. Replace the battery only with the same or equivalent type recommended by the manufacturer. Discard used batteries according to the manufacturer's instructions.

CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty.

CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as a connector on your computer).

Removing the Coin-Cell Battery

1. Record all the screens in system setup utility (see System Setup Utility) so that you can restore the correct settings in step 8.
   
   
2. Follow the procedures in Before You Begin.
   
   
3. Remove the top cover (see Removing the Top Cover).
   
   
4. Remove the top bracket (see Removing the Top Bracket).
   
   
5. Remove the optical drive (see Removing the Optical Drive).
   
   
6. Remove the drive bay (see Removing the Drive Bay).
   
   
7. Place the computer with the coin-cell battery facing towards you.
   
   
8. Carefully pull the release lever away from the coin-cell battery and lift the coin-cell battery out of the socket.
   
   

1

coin-cell battery

2

release lever

Replacing the Coin-Cell Battery

1. Follow the procedures in Before You Begin.
   
   
2. Insert the new coin-cell battery into the socket with the side labeled "+" facing left.
   
   
3. Replace the drive bay (see Replacing the Drive Bay).
   
   
4. Replace the optical drive (see Replacing the Optical Drive).
   
   
5. Replace the top bracket (see Replacing the Top Bracket).
   
   
6. Replace the top cover (see Replacing the Top Cover).
   
   

CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may result in damage to the computer.

7. Connect your computer and devices to electrical outlets, and then turn them on.
   
   
8. Enter the system setup utility (see System Setup Utility) and restore the settings you recorded in step 1.
   
   

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