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Before installing a new battery, check the battery's charge by pressing the
battery test button. The battery gauge will not light if the battery is
completely drained.
To replace a battery in the battery bay, perform the following steps.
NOTE: For full instructions, see your User's Guide.
Save your work and close all open files and application programs.
1
If the computer is docked, undock it.
2
If the modular bay contains a battery, go to step 5.
3
NOTICE: If you choose to replace the battery with the computer in a standby
or hibernate mode, you have up to 2 minutes to complete the battery
replacement. After 2 minutes, the computer shuts down and you will lose any
unsaved data.
If the only battery in the computer is in the battery bay and that is the
4
battery you want to replace, either connect the computer to an
electrical outlet or preserve your data in one of these ways.
•
Use suspend mode.
•
Use hibernate mode.
NOTE: For more information about suspend and hibernate modes, see
your User's Guide.
Close the computer display, turn the computer over, and remove the
5
battery.
D e l l Pr e c i s i o n ™ M o b i l e Wo r k s t a t i o n M 4 0 S y s t e m I n f o r ma t i o n
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