Dell Inspiron 3700 Reference Manual page 7

Use of the infrared port
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When you activate standby mode, the computer can run on battery power for approximately one week (if the battery was fully charged before
activating standby mode).
If you are going to store the computer, disconnect all peripheral devices and turn off the computer. Remove the battery when you store your
computer for an extended period of time. A battery will drain when not in use during prolonged storage. After a long storage period, recharge the
battery fully before you attempt to run your computer from battery power.
Installing a Battery in the Battery Bay
NOTICE: To avoid data loss, do not replace a battery while the computer is turned on unless the computer is connected to an
electrical outlet or a second battery is installed.
To install a battery in the battery bay, perform the following steps (see
NOTES: You can also install a battery in the media bay.
If necessary, print these instructions for reference before proceeding.
Figure 1. Installing a Battery
1. Save your work and close all open files and application programs.
2. If the computer is docked, undock it.
3. If the battery bay contains a battery and your system is off, go to step 5.
4. If the only battery in the computer is in the battery bay and that is the battery you want to replace, preserve your data in one of these ways, and
then proceed to step 5:
Use the standby mode.
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Place the computer in standby mode by pressing <Fn><Esc> (or <Scroll Lock><Esc> on an external keyboard if the External
Hot Key option is enabled in the System Setup program).
Use the save-to-disk suspend (S2D) mode.
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Place the computer in S2D mode by pressing <Fn><a> (or <Fn><q> on a French keyboard). When the green power indicator
turns off, continue.
If you have your AC adapter connected to your computer, go to step 5.
5. Remove the battery from the battery bay.
a. Close the computer display and turn the computer over.
b. Slide the battery bay latch toward the Unlock icon. Hold the latch with one hand while pulling the battery out of the bay with the
other hand.
c. Release the latch after you remove the battery.
6. Slide the new battery firmly into the battery bay. You should hear a click when the battery is fully seated.
7. If you put the computer into standby or S2D mode, press the power button to resume normal operation.
Installing a Second Battery
NOTICE: To avoid data loss, do not replace a battery while the computer is turned on unless the computer is connected to an
Figure 1).