Acer Aspire 4520 User's Guide Page 95
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- Table of contents
- TROUBLESHOOTING
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Power management
This computer has a built-in power management unit that monitors system
activity. System activity refers to any activity involving one or more of the
following devices: keyboard, mouse, hard disk, peripherals connected to the
computer, and video memory. If no activity is detected for a period of time
(called an inactivity timeout), the computer stops some or all of these devices in
order to conserve energy.
This computer employs a power management scheme that supports the
advanced configuration and power interface (ACPI), which allows for maximum
power conservation and maximum performance at the same time. Windows
handles all power-saving chores for your computer.
- 4520/4520G/4220 Series 1
- Safety instructions 3
- Warnings 4
- Using electrical power 4
- Product servicing 5
- Replacing the battery pack 5
- Additional safety information 6
- Operating environment 6
- Medical devices 6
- Vehicles 7
- Emergency calls 8
- Disposal instructions 8
- Finding your comfort zone 10
- Taking care of your vision 10
- Developing good work habits 11
- First things first 12
- Taking care of your computer 13
- Cleaning and servicing 14
- Contents 15
- Acer Arcade Deluxe 17
- (for selected models) 59 17
- Securing your computer 68 17
- Expanding through options 70 17
- Power management 77 18
- Acer eRecovery Management 78 18
- Troubleshooting 80 18
- Index 94 18
- Acer Empowering Technology 19
- Empowering Technology 20
- Using power plans 22
- To create a new power plan: 22
- To edit a power plan: 22
- To delete a power plan: 23
- Battery status 23
- Acer eAudio Management 24
- Acer eRecovery Management 29
- Windows Mobility Center 32
- Your Acer notebook tour 33
- Closed front view 35
- Left view 36
- Right view 37
- Rear view 37
- Base view 38
- Specifications 39
- Graphics 40
- Storage 40
- Communication 40
- Indicators 43
- Easy-launch buttons 44
- Touchpad 45
- Using the keyboard 47
- Windows keys 48
- Special keys 50
- Adjusting the volume 52
- Dolby Pro Logic II 53
- Dolby Digital Live 53
- Dolby Headphone 53
- Dolby Virtual Speaker 53
- Using the system utilities 55
- Launch Manager 56
- Frequently asked questions 58
- Requesting service 61
- Battery pack 62
- Charging the battery 64
- Checking the battery level 64
- Optimising battery life 64
- Battery-low warning 65
- Finding and playing content 67
- Arcade controls 68
- Virtual keyboard 69
- Background mode 69
- Settings 70
- Editing Pictures 71
- Slide Show settings 71
- Playing a video file 72
- Snapshot 72
- TV (for selected models) 73
- Time-shift functionality 74
- Recorded TV 74
- Scheduling recordings 74
- Program guide 74
- Find program 75
- TV settings 75
- Using TeleText functions 75
- (for selected models) 77
- Remote functions 79
- DV Wizard 80
- Starting Acer Arcade Deluxe 80
- VideoMagician 80
- TV Joy (selected models only) 80
- DVDivine 81
- Moving around 82
- Taking the computer home 83
- Traveling with the computer 84
- Special considerations 85
- Preparing the computer 85
- What to bring with you 85
- Securing your computer 86
- Entering passwords 87
- Setting passwords 87
- Expanding through options 88
- Built-in network feature 89
- Universal Serial Bus (USB) 89
- IEEE 1394 port 90
- ExpressCard 91
- Installing memory 92
- BIOS utility 93
- Boot sequence 93
- Enable disk-to-disk recovery 93
- Password 93
- Using software 94
- Power management 95
- Burn backup disc 97
- Restore and recovery 97
- Troubleshooting 98
- FCC notice 100
- Modem notices 101
- List of applicable countries 102
- Notice for Australia 102
- Notice for New Zealand 103
- LCD pixel statement 104
- Laser compliance statement 104
- European Union (EU) 105
- The FCC RF safety requirement 107
- Declaration of Conformity 109
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