Hp Pavilion dv7-4278nr Entertainment Notebook PC Manuel d'utilisateur télécharger pdf (Page 19)

Wireless antennas

On select computer models, at least 2 antennas send and receive signals from one or more wireless

devices. These antennas are not visible from the outside of the computer.

NOTE: For optimal transmission, keep the areas immediately around the antennas free from

obstructions.

To see wireless regulatory notices, refer to the section of the Regulatory, Safety and Environmental

Notices that applies to your country or region. These notices are located in Help and Support.

Components 9

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 111 112

Notebook PC User Guide 1
Safety warning notice 3
Table of contents 5
1 Features 11
2 Chapter 1 Features 12
Components 3 13
4 Chapter 1 Features 14
Front components 15
Right-side components 15
Left-side components 16
Bottom components 17
Display components 18
Wireless antennas 19
2Networking 22
Using the wireless controls 23
Using the wireless key 24
Using HP Wireless Assistant 24
Using a WLAN 25
Protecting your WLAN 26
Connecting to a WLAN 27
Roaming to another network 27
Using pointing devices 30
Using TouchPad gestures 31
Scrolling 31
Pinching 31
Using the action keys 32
Using the hotkeys 33
Using the keypads 34
4 Multimedia 36
Multimedia features 27 37
Adjusting the volume 38
Multimedia software 39
Checking your audio functions 41
32 Chapter 4 Multimedia 42
Connecting an HDMI device 43
5 Power management 45
Using the battery meter 46
Using power plans 46
Using external AC power 47
Using battery power 49
Using Battery Check 50
Charging a battery 51
Managing low battery levels 52
Calibrating a battery 53
Conserving battery power 55
Storing a battery 55
Shutting down the computer 56
Handling drives 58
Optical drive 58
Using optical discs 59
Playing a CD, DVD, or BD 61
Configuring AutoPlay 61
Changing DVD region settings 62
Copying a CD or DVD 63
Using external drives 65
Using Disk Defragmenter 66
Using Disk Cleanup 66
7 External devices 72
Using an eSATA device 73
Connecting an eSATA device 74
Removing an eSATA device 74
8 External media cards 75
Removing a digital card 76
9 Memory modules 77
10 Security 81
Setting passwords in Windows 82
Administrator password 83
Power-on password 83
Using antivirus software 84
Using firewall software 84
Registering fingerprints 87
78 Chapter 10 Security 88
11 Setup Utility (BIOS) 89
Displaying system information 90
Setup Utility menus 91
System Configuration menu 92
Diagnostics menu 92
12 Software updates 93
Downloading a BIOS update 94
Updating programs and drivers 95
13 Backup and recovery 96
Backing up your information 97
Using system restore points 98
Performing a recovery 99
14 Troubleshooting 100
Network icon is not displayed 101
WLAN connection is very weak 102
DVD, or a BD 103

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