Dell Inspiron 7500 - Manual (Page 106)

1. Determine the power state of the computer.
If the system is on, go to step 2. If you are unsure whether the system is on, shut down and restart the system, and then go to step 2.
2. Turn off any attached peripherals, and then shut down the computer.
3. Disconnect the computer and any attached peripherals from electrical outlets to reduce the potential for personal injury or shock.
If the computer has an AC adapter, disconnect the AC power cable (see Figure 1) from the electrical outlet and then from the AC adapter;
then disconnect the AC adapter from the computer or from the port replicator.
Figure 1. AC Adapter
4. If the computer is connected to a port replicator (see Figure 2), pull both release handles on the sides of the replicator to undock the
computer.
Figure 2. Port Replicator
5. Remove the main battery from the battery compartment (also known as the MegaBay ) (see Figure 3).
Unlock the latch lock on the bottom of the computer by flipping it toward the back of the computer. Slide the latch release in the direction of
the arrow. Keep holding the latch release with one hand while pulling the battery out of the compartment with the other.
Figure 3. Battery Compartment/MegaBay
1 AC power cable
2 AC adapter
3 AC adapter cable
4 AC adapter connector
1 Release handles
1 Latch lock (unlocked position)