HP Pavilion Dm4 3100 Entertainment Notebook Pc Series Manual

Initiating and exiting Sleep
The system is set at the factory to initiate Sleep after a period of inactivity when running on battery
power or on external power.
Power settings and timeouts can be changed using Power Options in Windows® Control Panel.
With the computer on, you can initiate Sleep in any of the following ways:
●Briefly press the power button.
●Close the display.
●Select Start, click the arrow next to the Shut down button, and then click Sleep.
To exit Sleep:
●Briefly press the power...

Using the power meter
The power meter is located in the notification area, at the far right of the taskbar. The power meter
allows you to quickly access power settings and view the remaining battery charge.
●To display the percentage of remaining battery charge and the current power plan, move the
pointer over the power meter icon.
●To access Power Options, or to change the power plan, click the power meter icon and select an
item from the list.
Different power meter icons indicate whether the computer...

Customizing power plans
To customize a power plan:
1.Click the power meter icon in the notification area, and then click More power options.
– or –
Select Start > Control Panel > System and Security > Power Options.
2.Select a power plan, and then click Change plan settings.
3.Change the settings as needed.
4.To change additional settings, click Change advanced power settings and make your
changes.
Setting password protection on wakeup
To set the computer to prompt for a password when the computer exits...

Using HP Power Manager (select models only)
Power Manager allows you to select a power plan to optimize your computers power consumption
and battery charge. The following power plans are available:
●Power saver
●HP Recommended
●High performance
To start Power Manager when Windows is running:
▲Select Start > Control Panel > Hardware and Sound > HP Power Manager.
Using battery power
When a charged battery is in the computer and the computer is not plugged into external power, the
computer runs on battery...

Finding battery information
Help and Support provides the following tools and information about the battery:
●Battery Check tool to test battery performance
●Information on calibration, power management, and proper care and storage to maximize battery
life
●Information on battery types, specifications, life cycles, and capacity
To access battery information:
▲Select Start > Help and Support > Learn > Power Plans: Frequently Asked Questions.
Using Battery Check
Battery Check in Help and Support provides...

Maximizing battery discharge time
Battery discharge time varies depending on the features you use while on battery power. Maximum
discharge time gradually decreases as the battery storage capacity naturally degrades.
Tips for maximizing battery discharge time:
●Lower the brightness on the display.
●Select 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
Resolving a low battery level when external power is available
▲Connect one of the following devices:
●AC adapter
●Optional docking or expansion device
●Optional power adapter purchased as an accessory from HP
Resolving a low battery level when a charged battery is available
1.Turn off the computer or initiate Hibernation.
2.Replace the discharged battery with a charged battery.
3.Turn on the computer.
Resolving a low battery level when no power source is available
●Initiate...

Storing a 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
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...

Using external AC power
NOTE:For information on connecting to AC power, see the Setup Instructions poster provided in
the computer box.
External AC power is supplied through an approved AC adapter or an optional docking or expansion
device.
WARNING!To reduce potential safety issues, use only the AC adapter provided with the computer,
a replacement AC adapter provided by HP, or a compatible AC adapter purchased from HP.
Connect the computer to external AC power under any of the following conditions:...

Testing an AC adapter
Test the AC adapter if the computer exhibits any of the following symptoms when it is connected to
AC power:
●The computer does not turn on.
●The display does not turn on.
●The power lights are off.
To test the AC adapter:
1.Shut down the computer.
2.Remove the battery from the computer.
3.Connect the AC adapter to the computer, and then plug it into an AC outlet.
4.Turn on the computer.
●If the power lights turn on, the AC adapter is working properly.
●If the power lights remain...