HP Pavilion Dm1 1100 Entertainment Notebook Pc Series Manual
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The computer takes the following actions for a critical battery level: ●If Hibernation is enabled and the computer is on or in the Sleep state, the computer initiates Hibernation. ●If Hibernation is disabled and the computer is on or in the Sleep state, the computer remains briefly in the Sleep state, and then shuts down and loses any unsaved information. Using battery power 61
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 lights turn 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 Hibernation. 2.Remove the discharged battery, and then insert a charged battery. 3.Turn on the computer. 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. 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 charges faster when the computer is off. 62 Chapter 7 Power management
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 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.Record the Turn off the display settings listed in the On battery column so that you can reset them after the calibration. 4.Change the Turn off the display settings to Never. 5.Click Change advanced power settings. 6.Click the plus sign next to Sleep, and then click the plus sign next to Hibernate after. 7.Record the On battery setting under Hibernate after so that you can reset it after the calibration. 8.Change the On battery setting to Never. 9.Click OK. 10.Click Save changes. 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 system during the discharge process: ◦The monitor will not turn off automatically. ◦Hard drive speed will not decrease automatically when the computer is idle. ◦System-initiated Hibernation will not occur. Using battery power 63
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. 64 Chapter 7 Power management
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 fully recharged. When the battery is recharged, the battery light on the computer turns off. You can use the computer while the battery is recharging, but the battery will charge faster if the computer is off. 2.If the computer is off, turn it on when the battery is fully charged and the battery light has turned off. 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 column. 4.Click Change advanced power settings. 5.Click the plus sign next to Sleep, and then click the plus sign next to Hibernate after. 6.Reenter the setting that you recorded for On battery. 7.Click OK. 8.Click Save changes. Conserving battery power ●Select the Power saver power plan through Power Options under System and Security in Windows Control Panel. ●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, initiate Sleep or Hibernation, or shut down the computer. Storing a battery CAUTION:To prevent damage to a battery, do not expose it to high temperatures for extended periods of time. Using battery power 65
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. 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. For additional information, refer to the Regulatory, Safety and Environmental Notices included with this computer. 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 from external power for an extended period Although you can shut down the computer with the power button, the recommended procedure is to use the Windows Shut down command. To shut down the computer: 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. ●Press the power button and hold for at least 5 seconds. ●Disconnect the computer from external power and remove the battery. 66 Chapter 7 Power management
8Security 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 being mishandled or stolen. NOTE:Before you send your computer for service, remove all password settings. Computer riskSecurity feature Unauthorized use of the computer●QuickLock ●Power-on password Unauthorized access to data●Firewall software ●Windows updates Unauthorized access to Setup Utility, BIOS settings, and other system identification informationAdministrator password Ongoing or future threats to the computerCritical security updates from Microsoft Unauthorized access to a Windows user account User password 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 immediately and store it in a secure place. Protecting the computer 67
You can use the same password for a Setup Utility feature and for a Windows security feature. You can also use the same password for more than one Setup Utility feature. Use the following guidelines when setting a password in Setup Utility: ●A password can be any combination of up to 8 letters and numbers and is case sensitive. ●A password set in Setup Utility must be entered at a Setup Utility prompt. A password set in Windows must be entered at a Windows prompt. Use the following tips for creating and saving passwords: ●When creating passwords, follow requirements set by the program. ●Write down your passwords and store them in a secure place away from the computer. ●Do not store passwords in a file on the computer. ●Do not use your name or other personal information that could be easily discovered by an outsider. The following sections list Windows and Setup Utility passwords and describe their functions. For additional information about Windows passwords, such as screen-saver passwords, select Start > Help and Support. Setting passwords in Windows PasswordFunction Administrator passwordProtects administrator-level access to computer contents. NOTE:This password cannot be used to access Setup Utility contents. User passwordProtects access to a Windows user account. It also protects access to the computer contents and must be entered when you exit Sleep or Hibernation. QuickLock Protects the computer by requiring a password to be entered in the Windows Log On dialog box before you access the computer. After you set a user or administrator password, follow these steps: 1.Initiate QuickLock by pressing fn+f6. 2.Exit QuickLock by entering your Windows user or administrator 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. 68 Chapter 8 Security
PasswordFunction 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 cannot turn on or restart the computer, or exit Hibernation. *For details about each of these passwords, refer to the following topics. Administrator password Your administrator password protects the configuration settings and system identification information in Setup Utility. After this password is set, you must enter it each time you access Setup Utility. Your administrator password is not interchangeable with an administrator password set in Windows, nor is it displayed as it is set, entered, changed, or deleted. Be sure that you record your password and store it in a safe place. Managing an administrator password To set, change, or delete this password, follow these steps: 1.Open Setup Utility by turning on or restarting the computer, and then pressing f10 while the “F10 = BIOS Setup Options” message is displayed in the lower-left corner of the screen. 2.Use the arrow keys to select Security > Set Administrator Password, and then press enter. ●To set an administrator password, type your password in the Enter New Password and Confirm New Password fields, and then press enter. ●To change an administrator password, type your current password in the Enter Current Password field, type a new password in the Enter New Password and Confirm New Password fields, and then press enter. ●To delete an administrator password, type your current password in the Enter Password field, and then press enter 4 times. 3.To save your changes and exit Setup Utility, use the arrow keys to select Exit > Exit Saving Changes. Your changes go into effect when the computer restarts. Entering an administrator password At the Enter Password prompt, type your administrator password, and then press enter. After 3 unsuccessful attempts to enter the administrator password, you must restart the computer and try again. Power-on password Your power-on password prevents unauthorized use of the computer. After this password is set, it must be entered each time you turn on or restart the computer, or exit Hibernation. A power-on password is not displayed as it is set, entered, changed, or deleted. Using passwords 69
Managing a power-on password To set, change, or delete this password, follow these steps: 1.Open Setup Utility by turning on or restarting the computer, and then pressing f10 while the “F10 = BIOS Setup Options” message is displayed in the lower-left corner of the screen. 2.Use the arrow keys to select Security > Set Power-On Password, and then press enter. ●To set a power-on password, type your password in the Enter New Password and Confirm New Password fields, and then press enter. ●To change a power-on password, type your current password in the Enter Current Password field, type a new password in the Enter New Password and Confirm New Password fields, and then press enter. ●To delete a power-on password, type your current password in the Enter Current Password field, and then press enter 4 times. 3.To save your changes and exit Setup Utility, use the arrow keys to select Exit > Exit Saving Changes. Your changes go into effect when the computer restarts. Entering a power-on password At the Enter Password prompt, type your password, and then press enter. After 3 unsuccessful attempts to enter the password, you must restart the computer and try again. 70 Chapter 8 Security