Acer Extensa 4220 Manuel d'utilisateur télécharger pdf (Page 57)

100

English

Audio

The computer comes with 32-bit Intel High Definition (HD) Audio, and dual

stereo speakers.

Adjusting the volume

Adjusting the volume on the computer is as easy as pressing some buttons. See

"Hotkeys" on page 32 for more information on adjusting the speaker volume.

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Extensa 4620/4620Z/4220 1
Safety instructions 3
Warnings 4
Using electrical power 4
Product servicing 5
Replacing the battery pack 6
Additional safety information 7
Operating environment 7
Medical devices 7
Vehicles 8
Emergency calls 9
Disposal instructions 9
Finding your comfort zone 11
Taking care of your vision 11
Developing good work habits 12
First things first 13
Taking care of your computer 14
Cleaning and servicing 15
Contents 17
Acer eRecovery Management 63 19
Troubleshooting 65 19
Expanding through options 57 19
Acer Empowering Technology 21
Acer eNet Management 22
Empowering Technology 23
Acer ePower Management 24
To delete a power plan: 25
Battery status 25
(for selected models) 27
Acer eLock Management 28
Acer eRecovery Management 30
Acer eSettings Management 32
Your Acer notebook tour 35
Closed front view 37
Left view 38
Right view 39
Rear view 39
Base view 40
Specifications 41
Indicators 45
Easy-launch buttons 46
Touchpad 48
Using the keyboard 50
Windows keys 51
Special keys 54
Adjusting the volume 57
Using the system utilities 58
Launch Manager 60
Norton Internet Security 61
NTI Shadow 62
Frequently asked questions 63
Requesting service 66
Battery pack 67
Charging the battery 69
Checking the battery level 69
Optimising battery life 69
Battery-low warning 70
Moving around 71
Taking the computer home 72
Traveling with the computer 73
Special considerations 74
Preparing the computer 74
What to bring with you 74
Securing your computer 75
Entering passwords 76
Setting passwords 76
Expanding through options 77
Built-in network feature 78
Fast Infrared (FIR) 78
Universal Serial Bus (USB) 79
IEEE 1394 port 79
PC Card slot 80
BIOS utility 81
Boot sequence 81
Enable disk-to-disk recovery 82
Password 82
Using software 82
Burn backup disc 84
Restore and recovery 84
Troubleshooting 85
FCC notice 87
Modem notices 88
List of applicable countries 89
Notice for Australia 89
Notice for New Zealand 90
Laser compliance statement 91
LCD pixel statement 91
European Union (EU) 92
The FCC RF safety requirement 94
Declaration of Conformity 97

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Acer Extensa 4220 Manuel d'utilisateur Page 57

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