Hp EliteBook 8740w Mobile Workstation User Manual Page 69
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3. Select the Prompt for password when computer resumes from standby check box.
4. Click Apply.
Using Power Assistant (select models only)
Power Assistant allows you to configure system settings to optimize your computer's power consumption
and battery charge. Power Assistant provides tools and information to help you make informed decisions
on power management:
●
Power consumption predictions in hypothetical system configurations
●
Predefined power profiles
●
Usage details and graphs showing power consumption trends over time
Starting Power Assistant
To start Power Assistant when Windows is running, select Start > All Programs > HP > HP Power
Assistant.
Power Assistant opens, and the following tabs are displayed:
●
Settings—Displays the opening page, which shows battery charge and power consumption
information.
●
Preferences—Enables you to set device preferences.
●
Usage Details—Enables you to enter information about computer use.
●
Charts—Displays charts and graphs of power consumption.
●
About—Displays Power Assistant Help and version information.
For more information about using, configuring, and managing Power Assistant, refer to the Power
Assistant software Help.
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.
●
Approved AC adapter
●
Optional docking device
Connect the computer to external AC power under any of the following conditions:
WARNING! Do not charge the computer battery while you are onboard aircraft.
●
When you are charging or calibrating a battery
●
When you are installing or modifying system software
●
When you are writing information to a CD or DVD
When you connect the computer to external AC power, the following events occur:
●
The battery begins to charge.
●
If the computer is turned on, the power meter icon in the notification area changes appearance.
Using Power Assistant (select models only) 57
- HP EliteBook 1
- Safety warning notice 3
- Table of contents 5
- 1Features 13
- 2 Chapter 1 Features 14
- Identifying hardware 3 15
- 4 Chapter 1 Features 16
- Identifying hardware 5 17
- Front components 18
- Identifying hardware 7 19
- Rear components 20
- Right-side components 20
- Left-side components 20
- Bottom components 21
- Display components 22
- Identifying hardware 11 23
- Identifying the labels 24
- Icon Name Description 26
- Setting up a WLAN 29
- Protecting your WLAN 29
- Connecting to a WLAN 30
- Roaming to another network 31
- WLAN connection is very weak 35
- Selecting a location setting 37
- Using pointing devices 41
- Using the keyboard 41
- Displaying system information 42
- Initiating Standby 43
- Switching the screen image 44
- Using HP QuickLook 45
- Using HP QuickWeb 45
- Using keypads 45
- 4Multimedia 48
- Multimedia software 49
- Checking your audio functions 50
- Identifying the optical drive 52
- CD-R discs 54
- CD-RW discs 54
- DVD±R discs 54
- DVD±RW discs 54
- LightScribe DVD+R discs 54
- Playing a CD, DVD, or BD 55
- Configuring AutoPlay 56
- Changing DVD region settings 56
- Copying a CD, DVD, or BD 57
- Troubleshooting 58
- A disc does not play 59
- Webcam (select models only) 62
- Adjusting webcam properties 63
- 5 Power management 66
- Using the Power Meter 67
- Using power schemes 68
- Using external AC power 69
- Using battery power 70
- Charging a battery 72
- Managing low battery levels 73
- Calibrating a battery 75
- Step 3: Discharge the battery 76
- Conserving battery power 77
- Storing a battery 77
- Disposing of a used battery 77
- Testing an AC adapter 78
- Shutting down the computer 78
- 6 Drives 80
- Using HP 3D DriveGuard 81
- Replacing a hard drive 86
- Replacing an optical drive 88
- 7 External devices 91
- Using a 1394 device 92
- Using external drives 93
- Using a docking device 94
- 8 External media cards 95
- Configuring an ExpressCard 96
- Inserting an ExpressCard 96
- Inserting a smart card 99
- Removing a smart card 99
- 9 Memory modules 100
- 10 Security 108
- Using passwords 109
- BIOS administrator password 110
- Setting a DriveLock password 114
- Entering a DriveLock password 115
- Changing a DriveLock password 116
- Removing DriveLock protection 117
- Securing system devices 118
- Using antivirus software 120
- Using firewall software 120
- Installing a security cable 121
- 11 Software Updates 122
- Downloading a BIOS update 124
- Updating programs and drivers 125
- 12 Backup and recovery 126
- Performing a recovery 127
- 13 Computer Setup 128
- Computer Setup menus 129
- File menu 130
- Security menu 130
- System Configuration menu 131
- Computer Setup menus 121 133
- Computer Setup menus 123 135
- 14 MultiBoot 136
- 15 Management and Printing 140
- Support Software 142
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