HP Pavilion Dm4 2100 Entertainment Notebook Pc Series Manual

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 battery power
When a charged battery is in the computer and the computer is not plugged into external power, the
computer runs on battery power. When the computer is plugged into external AC power, the
computer runs on AC power.
If the computer contains a charged battery and is running on external AC power, the computer
switches to battery power if the AC adapter is disconnected from the computer.
NOTE:When you disconnect AC power, the display brightness is automatically decreased to save
battery...

Displaying the remaining battery charge
▲Move the pointer over the power meter icon in the notification area, at the far right of the taskbar.
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.
●Remove the battery from the computer when it is not being used or...

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...

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 using it if it has been stored for one month or more.
Disposing of a used battery
WARNING!To reduce the risk of fire or burns, do not disassemble, crush, or puncture; do not short
external contacts; do not dispose of in fire or water.
Refer to the Regulatory, Safety and Environmental Notices for proper battery disposal.
Replacing...

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...

5 External cards and devices
Using Digital Media Slot cards (select models only)
Optional digital cards provide secure data storage and convenient data sharing. These cards are
often used with digital media–equipped cameras and PDAs as well as with other computers.
To determine the digital card formats that are supported on your computer, refer to the Getting
Started guide.
Inserting a digital card
CAUTION:To reduce the risk of damage to the digital card connectors, use minimal force to insert
a digital...

Removing a digital card
CAUTION:To reduce the risk of loss of data or an unresponsive system, use the following
procedure to safely remove the digital card.
1.Save your information and close all programs associated with the digital card.
2.Click the remove hardware icon in the notification area, at the far right of the taskbar. Then
follow the on-screen instructions.
3.Press in on the card (1), and then remove it from the slot (2).
NOTE:If the card does not eject, pull the card out of the slot.
Using...

2.Pull the insert out of the slot (2).
To insert an ExpressCard:
1.Hold the card label-side up, with the connectors facing the computer.
2.Insert the card into the ExpressCard slot, and then press in on the card until it is firmly seated.
You will hear a sound when the card has been detected, and a menu of options may be
displayed.
NOTE:The first time you connect an ExpressCard, a message in the notification area lets you
know that the card is recognized by the computer.
NOTE:To conserve power, stop or...

Using smart cards (select models only)
NOTE:The term smart card is used throughout this chapter to refer to both smart cards and Java™
Cards.
A smart card is a credit card-sized accessory that carries a microchip containing memory and a
microprocessor. Like personal computers, some smart cards have an operating system to manage
input and output, and they include security features to protect against tampering. Industry-standard
smart cards are used with the smart card reader (select models only).
A...