Hp EliteBook 2540p Notebook PC User Manual Page 76
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- Table of contents
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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.
Refer to the Regulatory, Safety and Environmental Notices for battery disposal information.
Replacing the battery
Computer battery life varies, depending on the power management settings, programs running on the
computer, display brightness, external devices connected to the computer, and other factors.
NOTE: To ensure that you always have battery power when you need it, HP recommends purchasing
a new battery when the storage capacity indicator turns green-yellow.
64 Chapter 5 Power management
- HP EliteBook Notebook PC 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
- Rear components 19
- Right-side components 20
- Left-side components 20
- Identifying hardware 9 21
- Bottom components 22
- Display components 23
- 12 Chapter 1 Features 24
- Identifying the labels 25
- Wireless connections 28
- Using a WLAN 30
- Connecting to a WLAN 32
- Roaming to another network 32
- Inserting a SIM 33
- Removing a SIM 34
- WLAN connection is very weak 38
- Wired connections 39
- Selecting a location setting 41
- 8. Click OK twice 44
- Using pointing devices 45
- Using the keyboard 46
- Using HP QuickLook 3 48
- Using keypads 48
- 4 Multimedia 51
- 40 Chapter 4 Multimedia 52
- Multimedia software 53
- Adjusting the volume 54
- Checking your audio functions 55
- Using the DisplayPort 57
- Playing a CD or DVD 58
- Changing DVD region settings 59
- Adjusting webcam properties 61
- Controlling the webcam focus 62
- 5 Power management 64
- Using the Power Meter 65
- Using power schemes 66
- Using external AC power 67
- Using battery power 68
- Charging a battery 70
- Managing low battery levels 71
- Calibrating a battery 73
- Step 3: Discharge the battery 74
- Conserving battery power 75
- Storing a battery 75
- Disposing of a used battery 76
- Replacing the battery 76
- Shutting down the computer 77
- Testing an AC adapter 77
- 6 Drives 79
- Using Disk Defragmenter 81
- Using Disk Cleanup 81
- Using HP 3D DriveGuard 82
- Replacing a hard drive 85
- 74 Chapter 6 Drives 86
- Replacing a hard drive 75 87
- Replacing a hard drive 79 91
- 80 Chapter 6 Drives 92
- Replacing a hard drive 81 93
- Replacing a hard drive 83 95
- 7 External devices 97
- Removing a USB device 98
- Using USB legacy support 98
- Using 1394 devices 99
- Using the docking connector 100
- Using external drives 101
- When the disc tray opens 103
- 8 External media cards 105
- Using ExpressCards 106
- Removing an ExpressCard 107
- Using smart cards 108
- Removing a smart card 109
- Inserting a smart card 109
- 9 Memory modules 110
- 34. Replace the battery 121
- 36. Turn on the computer 121
- 10 Security 122
- Using passwords 123
- BIOS administrator password 124
- Setting a DriveLock password 128
- Entering a DriveLock password 129
- Changing a DriveLock password 130
- Removing DriveLock protection 131
- Securing system devices 133
- Using antivirus software 135
- Using firewall software 136
- ProtectTools software Help 138
- 126 Chapter 10 Security 138
- Installing a security cable 139
- 11 Software updates 140
- Updating the BIOS 141
- Downloading a BIOS update 142
- Updating programs and drivers 143
- 12 MultiBoot 145
- 13 Management 150
- Enabling the iAMT solution 155
- Change Intel ME Password 156
- 144 Chapter 13 Management 156
- 14 Computer Setup 157
- Computer Setup menus 158
- File menu 159
- Security menu 159
- System Configuration menu 160
- Computer Setup menus 149 161
- Computer Setup menus 151 163
- 15 Backing up and recovering 165
- Backing up your information 166
- Performing a recovery 167
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