Compaq 6720t End-User Reference Guide - Windows XP - Page 33

Resolving a low battery level, Resolving a low battery level when external power is available

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Resolving a low battery level CAUTION: To reduce the risk of losing information when the computer reaches a critical battery level, do not restore power until the power lights turn off. Resolving a low battery level when external power is available ▲ Connect one of the following devices: ● AC adapter ● Optional docking device ● Optional power adapter Resolving a low battery level when a charged battery is available 1. Turn off the computer. 2. Remove the discharged battery, and then insert a charged battery. 3. Turn on the computer. Resolving a low battery level when no power source is available ▲ Save your work and shut down the computer. Conserving battery power ● Select low power-use settings through Power Options. ● Turn off wireless and local area network (LAN) connections and exit modem applications when you are not using them. ● Disconnect external devices that are not plugged into an external power source, when you are not using them. ● Stop, disable, or remove any external media cards that you are not using. ● Use the fn+f9 and fn+f10 hotkeys to adjust screen brightness as needed. ● If you leave your work, initiate Standby or shut down the computer. Storing a battery CAUTION: To prevent damage to a battery, do not expose it to high temperatures for extended periods of time. If a computer will be unused and unplugged from external power for more than 2 weeks, remove the battery and store it separately. To prolong the charge of a stored battery, place it in a cool, dry place. Calibrate a battery before using it if it has been stored for one month or more. Using battery power 23

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Resolving a low battery level
CAUTION:
To reduce the risk of losing information when the computer reaches a critical battery level,
do not restore power until the power lights turn off.
Resolving a low battery level when external power is available
▲
Connect one of the following devices:
●
AC adapter
●
Optional docking device
●
Optional power adapter
Resolving a low battery level when a charged battery is available
1.
Turn off the computer.
2.
Remove the discharged battery, and then insert a charged battery.
3.
Turn on the computer.
Resolving a low battery level when no power source is available
▲
Save your work and shut down the computer.
Conserving battery power
●
Select low power-use settings through Power Options.
●
Turn off wireless and local area network (LAN) connections and exit modem applications when you
are not using them.
●
Disconnect external devices that are not plugged into an external power source, when you are not
using them.
●
Stop, disable, or remove any external media cards that you are not using.
●
Use the
fn+f9
and
fn+f10
hotkeys to adjust screen brightness as needed.
●
If you leave your work, initiate Standby or shut down the computer.
Storing a battery
CAUTION:
To prevent damage to a battery, do not expose it to high temperatures for extended periods
of time.
If a computer will be unused and unplugged from external power for more than 2 weeks, remove the
battery and store it separately.
To prolong the charge of a stored battery, place it in a cool, dry place.
Calibrate a battery before using it if it has been stored for one month or more.
Using battery power
23