Dell Inspiron 3800 System Reference Manual page 134

Power Sources: Dell Inspiron 3800 System Reference
reserve battery and causes the computer to lose the date and time information as well as all user-specified
parameters in NVRAM. If possible, make a copy of this information before you disconnect the reserve battery.
1. Save any work in progress and close all open application programs.
2. Turn off the computer and any attached peripherals.
NOTE: Make sure that the computer is turned off and not in save-to-disk suspend (S2D) mode. If you cannot shut
down the computer using the computer's operating system, press the power button for 4 seconds.
3. If the computer is docked in an advanced port replicator (APR), undock the computer.
4. Disconnect the computer and any attached peripherals from their electrical outlets to reduce the
potential for personal injury or shock.
Also disconnect any telephone or telecommunications lines from the computer.
5. Remove the power cable.
6. Disconnect all other external cables from the computer.
7. Remove any installed PC Cards.
NOTICE: Make sure that the work surface is clean to prevent scratching the computer cover.
NOTICE: To avoid damaging the system board, remove the power cable, the battery, and the
second battery (if installed) before you service the computer.
8. Remove the main battery assembly from the battery bay:
a. Slide the battery bay latch toward the unlock icon.
b. Slide the battery out of the battery bay (see Figure 2).
Figure 2. Main Battery Assembly Removal
9. Ground yourself by touching the unpainted metal surface of the I/O panel on the back of the computer.
While you work, periodically touch the I/O panel to dissipate any static electricity that might harm components.
file:///F|/Service%20Manuals/Dell/Inspiron/3800/r_r.htm (3 of 30) [2/28/2004 6:59:08 AM]
1 Battery bay latch
2 Unlock icon
3 Battery