Hp ProBook 6445b Notebook-PC Uživatelský manuál stáhnout pdf (Strana 54)

Displaying Power Assistant

Press fn+f8 to open Power Assistant. Power Assistant allows you to configure system settings to

optimize your computer's power consumption and battery charge. Power Assistant also provides tools

and information to help you make informed decisions on power management.

NOTE: If Power Assistant is not installed on your computer, pressing fn+f8 displays the battery charge

information.

44 Chapter 3 Pointing devices and keyboard

1 2 ... 49 50 51 52 53 54 55 56 57 58 59 ... 179 180

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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