Page 3 - Table of contents
Table of contents 1 Power control and light locations 2 Power sources Connecting the AC adapter .................................................................................................................. 4 3 Standby and hibernation Standby ........................................................
Page 5 - Power control and light locations
1 Power control and light locations The following illustration and table identify and describe the power control and light locations. NOTE: Your computer may look slightly different from the illustration in this chapter. Component Description (1) Power button ● When the computer is off, press the bu...
Page 7 - Power sources
2 Power sources The computer runs on internal or external AC power. The following table indicates the best powersources for common tasks. 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 adapte...
Page 8 - 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 byunplugging the power cord from t...
Page 9 - Standby and hibernation; Standby
3 Standby and hibernation Standby and hibernation are energy-saving features that conserve power and reduce startup time. Theycan be initiated by you or by the system. Standby CAUTION: To avoid a complete battery discharge, do not leave the computer in standby for extended periods. Connect the compu...
Page 10 - Hibernation
Hibernation CAUTION: If the configuration of the computer is changed during hibernation, resuming from hibernation may not be possible. When the computer is in hibernation: Do not connect the computer to or disconnect the computer from an optional docking device orexpansion product. Do not add or re...
Page 11 - Initiating standby, hibernation or shutdown; When you leave your work
Initiating standby, hibernation or shutdown The following sections explain when to initiate standby or hibernation and when to shut down thecomputer. NOTE: You cannot initiate any type of networking connection or perform any computer functions while the computer is in standby or hibernation. When yo...
Page 12 - When using wireless communication, or readable or writable media
When using wireless communication, or readable or writable media CAUTION: To prevent possible audio and video degradation, loss of audio or video playback functionality, or loss of information, do not initiate standby or hibernation while reading from or writingto a disc or an external media card. S...
Page 13 - Power settings; Turning the computer or display on or off; Using emergency shutdown procedures
4 Power settings This section explains standby, hibernation, and shutdown procedures. Turning the computer or display on or off Task Procedure Result Turn on thecomputer. Press the power button. ● The power lights turn on. ● The operating system loads. Shut down thecomputer.* 1. Save your work and c...
Page 14 - Initiating or resuming from standby
Initiating or resuming from standby Task Procedure Result Initiate standby. ● With the computer on, press fn+f5 . ● Select Start > Turn Off Computer > Stand by .* In Windows XP Professional, if Stand by is not displayed: a. Click the down arrow. b. Select Stand by from the list. c. Click OK . ...
Page 16 - Power options; Accessing Power Options Properties
5 Power options You can change many of the power settings using Windows Control Panel. For example, you can setan audio alert to warn you when the battery reaches a low-power condition, or you can change thefactory settings for the power button. Accessing Power Options Properties To access Power Opt...
Page 17 - Displaying the Power Meter icon
Displaying the Power Meter icon By default, the Power Meter icon appears in the notification area, at the far right of the taskbar, displayingdifferent icons to indicate whether the computer is running on battery or external power. To remove the Power Meter icon from the notification area, follow th...
Page 18 - Setting or changing a power scheme
Setting or changing a power scheme The Power Schemes tab in the Power Options Properties dialog box assigns power levels to system components. You can assign different schemes, depending on whether the computer is running onbattery or external power. You can also set a power scheme that initiates st...
Page 19 - Setting a security prompt
Setting a security prompt You can add a security feature that prompts you for a password when the computer is turned on,resumes from standby, or restores from hibernation. To set a password prompt: 1. Right-click the Power Meter icon in the notification area, and then click Adjust Power Properties ....
Page 20 - Processor performance controls
6 Processor performance controls CAUTION: To reduce the possibility of heat-related injuries or of overheating the computer, do not place the computer directly on your lap or obstruct the computer air vents. Use the computer only on ahard, flat surface. Do not allow another hard surface, such as an ...
Page 21 - Batteries
7 Batteries When a charged battery is in the computer and the computer is not plugged into external power, thecomputer runs on battery power. When the computer is plugged into external AC power, the computerruns on AC power. If the computer contains a charged battery and is running on external AC po...
Page 22 - Inserting or removing a battery
Inserting or removing a battery NOTE: Batteries vary in appearance by model. To insert a battery: 1. Turn the computer upside down on a flat surface, with the battery bay away from you. 2. Insert the battery into the battery bay (1) and rotate it downward until it is seated (2) . The battery release...
Page 23 - Charging a battery; Monitoring the charge of the battery; Obtaining accurate charge information
Charging a battery To prolong battery life and optimize the accuracy of battery charge displays: WARNING! Do not charge the computer battery while you are onboard aircraft. ● To charge a new battery: ◦ Charge the battery while the computer is plugged into external power through the AC adapter. ◦ Whe...
Page 25 - Managing low-battery conditions; Identifying low-battery conditions; Low-battery condition
Managing low-battery conditions The information in this section describes the alerts and system responses set at the factory. Some low-battery condition alerts and system responses can be changed using Power Options in Windows ControlPanel. Preferences set using Power Options do not affect lights. I...
Page 26 - Resolving low-battery conditions; When external power is available
Resolving low-battery conditions CAUTION: To reduce the risk of losing information when the computer reaches a critical low-battery condition and has initiated hibernation, do not restore power until the power lights turn off. When external power is available When external power is available, you ca...
Page 27 - Calibrating a battery; When to calibrate; Step 1: Charging the battery
Calibrating a battery When to calibrate Even if a battery is heavily used, it should not be necessary to calibrate it more than once a month. It isnot necessary to calibrate a new battery. Calibrate a battery under the following conditions: ● When battery charge displays seem inaccurate ● When you o...
Page 28 - Step 2: Discharging the battery
Step 2: Discharging the battery Before you begin a full discharge, disable hibernation. To disable hibernation: 1. Select Start > Control Panel > Performance and Maintenance > Power Options > Hibernate tab. 2. Clear the Enable hibernation check box. 3. Click Apply . The computer must rem...
Page 29 - Step 3: Recharging the battery
Step 3: Recharging the battery To recharge the battery: 1. Plug the computer into external power and maintain external power until the battery is fullyrecharged. When the battery is recharged, the battery light on the computer turns off. You can use the computer while the battery is recharging, but ...
Page 30 - Conserving battery power; Conserving power as you work
Conserving battery power Using the battery conservation procedures and settings described in this section extends the time thata battery can run the computer from a single charge. Conserving power as you work ● Turn off wireless and local area network (LAN) connections and exit modem applications wh...
Page 32 - Disposing of a used battery
Disposing of a used battery WARNING! To reduce the risk of fire or burns, do not disassemble, crush, or puncture a battery; short the external contacts on a battery; or dispose of a battery in fire or water. Do not expose a battery totemperatures above 60 ˚ C (140 ˚ F). Replace the battery only with...
Page 33 - Index
Index A AC adapter 4 B battery battery power vs. AC power 17 calibrating 23charging 19, 23conserving power 26disposing of 28inserting 18low-battery conditions 21monitoring charge 19recharging 25removing 18storing 27using 17 battery charge information 19battery light 2, 19, 21battery release latch 18...
