Hp ProBook 6445b Notebook-PC User Manual Page 58
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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Component Description
(1) num lk key Alternates between the navigation and numeric functions on the
integrated numeric keypad.
NOTE: The keypad function that is active when the computer is
turned off will be reinstated when the computer is turned back on.
(2) Integrated numeric keypad Can be used like the keys on an external numeric keypad.
Using an optional external numeric keypad
Keys on most external numeric keypads function differently according to whether num lock is on or off.
(Num lock is turned off at the factory.) For example:
●
When num lock is on, most keypad keys type numbers.
●
When num lock is off, most keypad keys function like the arrow, page up, or page down keys.
When num lock on an external keypad is turned on, the num lock light on the computer is turned on.
When num lock on an external keypad is turned off, the num lock light on the computer is turned off.
To turn num lock on or off on an external keypad as you work:
▲
Press the num lk key on the external keypad, not on the computer.
48 Chapter 3 Pointing devices and keyboard
- HP ProBook User Guide 1
- Safety warning notice 3
- Table of contents 5
- 1 Features 11
- 2 Chapter 1 Features 12
- Identifying hardware 3 13
- 4 Chapter 1 Features 14
- Identifying hardware 5 15
- 6 Chapter 1 Features 16
- Identifying hardware 7 17
- 8 Chapter 1 Features 18
- Identifying hardware 9 19
- Front components 20
- Right-side components 21
- 12 Chapter 1 Features 22
- Left-side components 23
- Rear components 24
- Bottom components 25
- Display components 26
- Identifying hardware 17 27
- 18 Chapter 1 Features 28
- Identifying the labels 29
- Using the wireless controls 32
- Using the wireless button 32
- Setting up a WLAN 34
- Protecting your WLAN 34
- Connecting to a WLAN 36
- Roaming to another network 36
- Inserting a SIM 37
- Removing a SIM 38
- WLAN connection is very weak 43
- Connecting a modem cable 44
- Selecting a location setting 45
- 7. Click OK twice 48
- Using pointing devices 50
- Using the keyboard 50
- Displaying system information 51
- Initiating Standby 52
- Switching the screen image 53
- Displaying Power Assistant 54
- Decreasing screen brightness 55
- Increasing screen brightness 55
- Using HP QuickLook 3 56
- Using keypads 56
- 4 Multimedia 60
- Multimedia software 61
- Checking your audio functions 63
- Using the DisplayPort 65
- Identifying the optical drive 67
- CD-R discs 68
- CD-RW discs 68
- DVD±R discs 68
- DVD±RW discs 68
- LightScribe DVD+R discs 68
- Playing a CD, DVD, or BD 69
- Configuring AutoPlay 70
- Changing DVD region settings 70
- Copying a CD, DVD, or BD 71
- Troubleshooting 72
- A disc does not play 74
- Webcam (select models only) 77
- 5 Power management 80
- Using the Power Meter 81
- Using power schemes 82
- Customizing power schemes 83
- Using external AC power 84
- Using battery power 85
- Charging a battery 87
- Managing low battery levels 88
- Calibrating a battery 90
- Step 3: Discharge the battery 91
- Conserving battery power 92
- Storing a battery 92
- Disposing of a used battery 93
- Replacing the battery 93
- Testing an AC adapter 94
- Shutting down the computer 94
- Identifying installed drives 95
- Handling drives 95
- Using Disk Defragmenter 97
- Using Disk Cleanup 97
- Using HP 3D DriveGuard 98
- 7. Replace the battery 102
- 9. Turn on the computer 102
- 92 Chapter 6 Drives 102
- Replacing a hard drive 103
- Replacing an optical drive 106
- 3. Replace the battery 108
- 5. Turn on the computer 108
- 98 Chapter 6 Drives 108
- 7 External devices 109
- Using USB legacy support 110
- Using a 1394 device 111
- 4. Remove the device 112
- Using external drives 114
- Using a docking device 115
- 8 External media cards 116
- Configuring an ExpressCard 118
- Inserting an ExpressCard 118
- Inserting a smart card 121
- Removing a smart card 121
- 9 Memory modules 122
- 14. Replace the batteries 125
- 16. Turn on the computer 125
- 18. Replace the batteries 129
- 20. Turn on the computer 129
- 10 Security 131
- Using passwords 132
- BIOS administrator password 133
- Setting a DriveLock password 137
- Entering a DriveLock password 138
- Changing a DriveLock password 139
- Removing DriveLock protection 140
- Securing system devices 142
- Using antivirus software 144
- Using firewall software 145
- ProtectTools software Help 147
- Installing a security cable 148
- 11 Software Updates 149
- Updating the BIOS 150
- Downloading a BIOS update 151
- Updating programs and drivers 152
- 12 Backup and recovery 153
- Backing up your information 154
- Performing a recovery 155
- 13 Computer Setup 156
- Computer Setup menus 157
- File menu 158
- Security menu 158
- System Configuration menu 159
- Computer Setup menus 151 161
- 14 MultiBoot 163
- 154 Chapter 14 MultiBoot 164
- 15 Management and Printing 169
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