HP ProBook 4446s Notebook-PC - Manual (Page 53)

2. Remove the security screw from inside the battery bay (1) and insert it (2) to lock the service
door in place.
Conserving battery power
● From the Start screen, type control, and then select Control Panel. Click Hardware and
Sound, and then click Power Options.
● Select low power-use settings through Power Options in Windows Control Panel.
● Turn off wireless and LAN connections and exit modem applications when you are not using
them.
● Disconnect unused external devices that are not plugged into an external power source.
● Stop, disable, or remove any external media cards that you are not using.
● Decrease screen brightness.
● Before you leave your work, initiate Sleep, or shut down the computer.
Storing a user-replaceable battery
CAUTION: To reduce the risk of 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
user-replaceable battery and store it separately.
To prolong the charge of a stored battery, place it in a cool, dry place.
Using battery power 43