HP Pavilion Dm1 2000 Entertainment Notebook Pc Series Manual

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 when no power source is available
▲Initiate Hibernation.
– or –
Save your work and shut down the computer.
Resolving a low battery level when the computer cannot exit Hibernation
When the computer lacks sufficient power to exit Hibernation, follow these steps:
1.Insert a charged battery or plug the computer into external power.
2.Exit Hibernation by briefly pressing the power button.
72 Chapter 8   Power management 

Calibrating a battery
Calibrate a battery under the following conditions:
●When battery charge displays seem inaccurate
●When you observe a significant change in battery run time
Even if a battery is heavily used, it should not need to be calibrated more than once a month. It is also
not necessary to calibrate a new battery.
Step 1: Fully charge the battery
WARNING!Do not charge the computer battery while you are onboard aircraft.
NOTE:The battery charges whether the computer is off or in use, but it...

Step 3: Discharge the battery
The computer must remain on while the battery is being discharged. The battery can discharge whether
or not you are using the computer, but the battery will discharge faster while you are using it.
●If you plan to leave the computer unattended during the discharge, save your information before
beginning the discharge procedure.
●If you use the computer occasionally during the discharge procedure and have set energy-saving
timeouts, expect the following performance from the...

Step 5: Reenable Hibernation and Sleep
CAUTION:Failure to reenable Hibernation after calibration may result in a full battery discharge and
information loss if the computer reaches a critical battery level.
1.Click the battery meter icon in the notification area, and then click More power options.
– or –
Select Start > Control Panel > System and Security > Power Options.
2.Under the current power plan, click Change plan settings.
3.Reenter the settings that you recorded for the items in the On battery...

Conserving battery power
●Select Start > Control Panel > System and Security > Power Options > Power saver.
●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+f3 and fn+f4 hotkeys to adjust screen brightness as needed.
●If you leave your work,...

Shutting down the computer
CAUTION:Unsaved information will be lost when the computer is shut down.
The Shut down command closes all open programs, including the operating system, and then turns off
the display and computer.
Shut down the computer under any of the following conditions:
●When you need to replace the battery or access components inside the computer
●When you are connecting an external hardware device that does not connect to a USB port
●When the computer will be unused and disconnected...

9Security
Protecting the computer
Standard security features provided by the Windows operating system and the non-Windows Setup
Utility can protect your personal settings and data from a variety of risks.
Follow the procedures in this chapter to use the following features:
●Passwords
●Firewall software
●Antivirus support (Norton Internet Security)
●Critical security updates
NOTE:Security solutions are designed to act as deterrents, but they may not deter software attacks
or prevent the computer from...

Using passwords
A password is a group of characters that you choose to secure your computer information. Several types
of passwords can be set, depending on how you want to control access to your information. Passwords
can be set in Windows or in the non-Windows Setup Utility preinstalled on the computer.
CAUTION:To prevent being locked out of the computer, record each password you set. Because
most passwords are not displayed as they are set, changed, or deleted, it is essential to record each
password...

Setting passwords in Setup Utility
PasswordFunction
Administrator password*●Protects access to Setup Utility.
●After this password is set, it must be entered each time
you access Setup Utility.
CAUTION:If you forget your administrator password, you
cannot access Setup Utility.
Power-on password*●Protects access to the computer contents.
●After this password is set, it must be entered each time
you turn on or restart the computer, or exit Hibernation.
CAUTION:If you forget your power-on password, you...