Dell 600m Removing and Installing Devices While the Computer Is Turned Off

54 Using Batteries and Module Bay Devices
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Checking the Charge on the Second Battery
Before you install a second battery, press the status button on the battery
charge gauge to illuminate the charge-level lights. Each light represents
approximately 20 percent of the total battery charge. For example, if the
battery has 80 percent of its charge remaining, four of the lights are on. If no
lights appear, the battery has no charge.
Removing and Installing Devices While
the Computer Is Turned Off
NOTE: If the device
screw is not installed, you
can remove and install
devices while the
computer is running and
connected to a docking
device (docked).
Your computer ships with an optical drive installed in the module bay.
However, the device screw is not installed in the optical drive but packaged
separately. When you install your device in the module bay, you can install
the device screw.
status button on the battery
charge gauge
second battery (bottom)