HP Pavilion Dm3 2000 Entertainment Notebook Pc Series Manual

When you connect the computer to external AC power, the following events occur:
●The battery begins to charge.
●If the computer is turned on, the battery meter icon in the notification area changes appearance.
When you disconnect external AC power, the following events occur:
●The computer switches to battery power.
●The display brightness is automatically decreased to save battery life. To increase display
brightness, press the f2 hotkey or reconnect the AC adapter.
Connecting AC power
WARNING!To reduce...

To test the AC adapter:
1.Remove the battery from the computer.
2.Connect the AC adapter to the computer, plug the power cord into the AC adapter, and then
plug the power cord into an AC outlet.
3.Turn on the computer.
●If the power light turns on, the AC adapter is working properly.
●If the power light remains off, the AC adapter is not functioning and should be replaced.
Contact technical support for information on obtaining a replacement AC power adapter. Select
Start > Help and Support > Get...

To run Battery Check:
1.Connect the AC adapter to the computer.
NOTE:The computer must be connected to external power for Battery Check to function
properly.
2.Select Start > Help and Support > Troubleshoot > Power, Thermal and Mechanical.
3.Click the Power tab, and then click Battery Check.
Battery Check examines the battery and its cells to see if they are functioning properly, and then
reports the results of the examination.
Displaying the remaining battery charge
▲Move the pointer over the battery...

3.Remove the battery (3).
Charging a battery
WARNING!Do not charge the computer battery while you are onboard aircraft.
The battery charges whenever the computer is plugged into external power through an AC adapter or
an optional power adapter.
The battery charges whether the computer is off or in use, but it charges faster when the computer is
off.
Charging may take longer if a battery is new, has been unused for 2 weeks or more, or is much
warmer or cooler than room temperature.
To prolong battery life...

Maximizing battery discharge time
Battery discharge time varies depending on the features you use while on battery power. Maximum
discharge time gradually shortens, as the battery storage capacity naturally degrades.
Tips for maximizing battery discharge time:
●Lower the brightness on the display.
●Check the Power saver setting in Power Options.
●Remove the battery from the computer when it is not being used or charged.
●Store the battery in a cool, dry location.
Managing low battery levels
The...

Resolving a low battery level
CAUTION:To reduce the risk of losing information when the computer reaches a critical battery
level and has initiated Hibernation, do not restore power until the power light turns off.
Resolving a low battery level when external power is available
▲Connect one of the following devices:
●AC adapter
●Optional expansion product or docking device
●Optional power adapter
Resolving a low battery level when a charged battery is available
1.Turn off the computer or initiate...

To fully charge the battery:
1.Insert the battery into the computer.
2.Connect the computer to an AC adapter, optional power adapter, optional expansion product, or
optional docking device, and then plug the adapter or device into external power.
The battery light on the computer turns on.
3.Leave the computer plugged into external power until the battery is fully charged.
The battery light on the computer turns off.
Step 2: Disable Hibernation and Sleep
1.Click the battery meter icon in the notification...

To discharge a battery:
1.Unplug the computer from its external power source, but do 
not turn off the computer.
2.Run the computer on battery power until the battery is discharged. The battery light begins to
blink when the battery has discharged to a low battery level. When the battery is discharged, the
battery light turns off and the computer shuts down.
Step 4: Fully recharge the battery
To recharge the battery:
1.Plug the computer into external power and maintain external power until the battery is...

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.
NOTE:A stored battery should be checked every 6 months. If the capacity is less than 50 percent,
recharge the battery before returning it to storage.
Calibrate a battery before...

NOTE:If the computer is in the Sleep state or in Hibernation, you must first exit Sleep or
Hibernation before shutdown is possible.
1.Save your work and close all open programs.
2.Click Start.
3.Click Shut down.
If the computer is unresponsive and you are unable to use the preceding shutdown procedures, try
the following emergency procedures in the sequence provided:
●Press ctrl+alt+delete, and then click the Power button.
●Slide and hold the power switch for at least 5 seconds.
●Disconnect the computer...