HP Dv3-2150us - Pavilion Entertainment - Core 2 Duo 2.1 GHz User Manual
Power management - windows vista
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Summary of Contents for HP Dv3-2150us - Pavilion Entertainment - Core 2 Duo 2.1 GHz
- Page 1 Power Management User Guide...
- Page 2 © Copyright 2009 Hewlett-Packard Product notice Development Company, L.P. This user guide describes features that are Windows is a U.S. registered trademark of common to most models. Some features Microsoft Corporation. may not be available on your computer. The information contained herein is subject to change without notice.
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Page 3: Table Of Contents
Table of contents 1 Setting power options Using power-saving states ........................1 Initiating and exiting Sleep ....................1 Initiating and exiting Hibernation ..................2 Using the battery meter ........................2 Using power plans ..........................3 Viewing the current power plan ................... 3 Selecting a different power plan .................. - Page 4 Step 4: Fully recharge the battery ..................15 Step 5: Reenable Hibernation and Sleep ................15 Conserving battery power ........................17 Storing a battery ..........................17 Disposing of a used battery ........................ 17 Replacing the battery ......................... 17 4 Shutting down the computer Index ...................................
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Page 5: Setting Power Options
Setting power options Using power-saving states The computer has two power-saving states enabled at the factory: Sleep and Hibernation. When Sleep is initiated, the power lights blink and the screen clears. Your work is saved to memory, letting you exit Sleep faster than exiting Hibernation. If the computer is in the Sleep state for an extended period or if the battery reaches a critical battery level while in the Sleep state, the computer initiates Hibernation. -
Page 6: Initiating And Exiting Hibernation
When the computer exits Sleep, the power lights turn on and your work returns to the screen where you stopped working. NOTE: If you have set a password to be required on wakeup, you must enter your Windows password before your work will return to the screen. Initiating and exiting Hibernation The system is set at the factory to initiate Hibernation after 120 minutes (2 hours) of inactivity when running on battery power, 1,080 minutes (18 hours) of inactivity when running on external power, or... -
Page 7: Using Power Plans
Using power plans A power plan is a collection of system settings that manages how the computer uses power. Power plans can help you conserve power or maximize performance. You can change power plan settings or create your own power plan. Viewing the current power plan Move the pointer over the battery meter icon in the notification area, at the far right of the taskbar. - Page 8 NOTE: If you need to create a user account password or change your current user account password, click Create or change your user account password, and then follow the on-screen instructions. If you do not need to create or change a user account password, go to step 5. Click Save changes.
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Page 9: Using External Ac Power
Using external AC power External AC power is supplied through one of the following devices: 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. ●... -
Page 10: Connecting The Ac Adapter
Connecting the AC adapter WARNING! To reduce the risk of electric shock or damage to the equipment: Plug the power cord into an AC outlet that is easily accessible at all times. Disconnect power from the computer by unplugging the power cord from the AC outlet (not by unplugging the power cord from the computer). -
Page 11: Testing An Ac Adapter
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 will not turn on. ● The display does not turn on. ● The power light is off. To test the AC adapter: Remove the battery from the computer. -
Page 12: Using Battery Power
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 supplied through the AC adapter, the computer switches to battery power if the AC adapter is disconnected from the computer. -
Page 13: Finding Battery Information In Help And Support
Finding battery information in Help and Support The “Battery information” section of the Help and Support Learning Center provides the following tools and information: ● Battery Check tool to test battery performance ● Information on calibration, power management, and proper care and storage to maximize battery life ●... - Page 14 To insert the battery: Turn the computer upside down on a flat surface, with the battery bay toward you. Align the front of the battery with the outer edge of the battery bay (1). Rotate the battery into the battery bay until it is seated (2). The battery release latch automatically locks the battery into place.
- Page 15 Lift the battery away from the computer (3). Inserting or removing the battery...
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Page 16: Charging A Battery
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, an optional power adapter, an optional expansion product, or an optional docking device. The battery charges whether the computer is off or in use, but it charges faster when the computer is off. -
Page 17: Identifying Low Battery Levels
Identifying low battery levels When a battery that is the sole power source for the computer reaches a low battery level, the battery light blinks. If a low battery level is not resolved, the computer enters a critical battery level, and the battery light continues to blink. -
Page 18: Calibrating A Battery
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. -
Page 19: Step 3: Discharge The Battery
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. - Page 20 Click OK. Click Save changes. Chapter 3 Using battery power...
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Page 21: Conserving Battery Power
Conserving battery power ● Select low power-use settings through Power Options 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. -
Page 22: Shutting Down The 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: ●... -
Page 23: Index
Index AC adapter low battery level 12 connecting 6 testing 7 operating system 18 battery power calibrating 14 connecting 6 charging 12, 14 conserving 17 conserving power 17 discharging 12 disposing 17 readable media 1 inserting 9 low battery levels 12 recharging 15 shutdown 18 removing 9...