Dell Inspiron 3700 User Manual download pdf (Page 10)

low-battery warning. Once S2D mode is activated, no further power is consumed.

Second Low-Battery Warning

The second low-battery warning—a steady amber battery indicator—occurs when you have about 5 minutes of battery life left under current

conditions and the computer is not connected to an electrical outlet.

After the second low-battery warning, if no further I/O activity occurs within 15 seconds, the computer activates S2D mode. If there is no S2D

partition, the computer enters standby mode. The computer can preserve data for several hours in standby mode.

If the computer is already in standby mode when a final low-battery warning occurs, the computer activates S2D mode immediately. If S2D mode

has been disabled, the computer reenters standby mode.

Charging the Battery

Each time you connect the computer to an electrical outlet or install a battery in a computer that is connected to an electrical outlet, the computer

checks the battery's charge. The AC adapter charges the battery (if needed) and then maintains the battery's charge.

If two batteries are installed in the computer, the AC adapter first charges the battery in the battery bay, then the battery in the media bay.

When installed in a computer connected to an electrical outlet, the battery immediately starts charging. The green power indicator remains steady

while the AC adapter charges the battery. The indicator starts blinking when the express charge cycle is complete. While the indicator is blinking,

the AC adapter provides a trickle charge to bring the battery to full capacity. The indicator continues to blink until you remove the battery or

disconnect the computer from its electrical outlet.

If the computer is turned off and connected to an electrical outlet through the AC adapter, it takes the AC adapter about 1 hour to fully charge a

battery that has been completely discharged. If the computer determines that the battery is near full capacity, the AC adapter skips the express-

charging process and starts trickle-charging the battery. If the computer is on, it takes up to 2.5 hours to charge a fully discharged battery,

dependingonwhichdevicesyouareusingandwhichprogramsyouarerunning.

Detecting Battery Problems

A battery problem may prevent the battery from being charged to its full potential and can lead to unpredictable operation. To obtain a new battery,

call Dell or access the Dell World Wide Web site at http://www.dell.com.

Dell suggests you follow these precautions when using the battery:

l To avoid installing a defective battery in your computer, first check the battery's charge, indicated by the battery charge indicators on the

battery itself, by pressing the battery test button (See Figure 2).

l If, after you insert the battery in the computer, the computer's battery indicator status light (See Figure 3) flashes alternately green and amber,

the battery is too hot to charge. Turn off the computer, and let the battery and computer cool to room temperature.



l If, after you insert the battery in the computer, the computer's battery indicator status light (See Figure 3) flashes amber for 4 seconds when

you connect or disconnect the AC adapter or when you press the power button, you need to replace the battery.



l If, after you insert the battery in the computer, the computer's battery indicator status light (See Figure 3) flashes rapidly amber, the battery is

defective and needs to be replaced.

NOTICE: Never turn off the computer while the drive access indicator is on. Doing so could cause data loss. Instead, close all of

your application programs before you turn off the computer.

NOTICE: To avoid losing data (and possibly corrupting data areas on your hard-disk drive), save your work immediately after a

second low-battery warning. Then connect your computer to an electrical outlet, or place the computer in standby mode. If the

battery runs completely out of power, the computer shuts off without properly closing any open files.

NOTE:Formaximumbatteryperformance,chargethebatteryonlyatnormalroomtemperature.

NOTICE: If the battery indicator flashes alternately green and amber while the computer is connected to an electrical outlet,

disconnect the computer from the outlet and allow the computer and the battery to return to room temperature. Then reconnect the

computer to its electrical outlet and continue charging the battery. If the computer is not allowed to return to room temperature, the

battery stops charging before it reaches full capacity.

NOTE: You can leave the battery in the computer as long as you like. The battery's integrated circuitry prevents the battery from

overcharging.

NOTE: If the battery has a 0 (zero) percent charge, you cannot use the battery test button to check the battery's capacity. The

battery gauge indicator will not light if the battery is completely drained.

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Dell Inspiron 3700 User Manual Page 10

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