Hp Mini 2140 Notebook-PC Manual de usuario Pagina 24
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Customizing power schemes
1. Select Start > Control Panel > Performance and Maintenance > Power Options.
2. Select a power scheme from the Power schemes list.
3. Modify the Plugged in and Running on batteries settings as needed.
4. Click OK.
Setting password protection upon exiting Standby
To set the computer to prompt for a password when the computer exits Standby, follow these steps:
1. Right-click the Power Meter icon in the notification area, and then click Adjust Power
Properties.
2. Click the Advanced tab.
3. Select the Prompt for password when computer resumes from standby check box.
4. Click Apply.
Using external AC power
External AC power is supplied through one of the following devices:
WARNING! To reduce potential safety issues, use only the AC adapter provided with the computer,
a replacement AC adapter provided by HP, or a compatible AC adapter purchased from HP.
●
Approved AC adapter
●
Optional docking device or optional expansion product
Connect the computer to external AC power under any of the following conditions:
WARNING! Do not charge the computer battery while you are onboard aircraft.
●
When you are charging or calibrating a battery
●
When you are installing or modifying system software
●
When you are writing information to a CD or DVD
When you connect the computer to external AC power, the following events occur:
●
The battery begins to charge.
●
If the computer is turned on, the battery meter icon in the notification area changes appearance.
When you disconnect external AC power, the following events occur:
●
The computer switches to battery power.
●
The display brightness is automatically decreased to save battery life. To increase display
brightness, press the fn+f4 hotkey or reconnect the AC adapter.
14 Chapter 2 Power management
- User Guide 1
- Safety warning notice 3
- Table of contents 5
- 1 Features 11
- 2 Chapter 1 Features 12
- Identifying the hardware 3 13
- Front components 14
- Right-side components 15
- Left-side components 16
- Display components 17
- Bottom components 18
- Wireless antennae 18
- Identifying the hardware 9 19
- Identifying the labels 20
- 2 Power management 21
- Using the Power Meter 22
- Using power schemes 23
- Using external AC power 24
- Using battery power 25
- Charging a battery 27
- Managing low battery levels 28
- Calibrating a battery 29
- Step 3: Discharge the battery 30
- Conserving battery power 31
- Storing a battery 31
- Disposing of a used battery 32
- Replacing the battery 32
- Testing an AC adapter 33
- Shutting down the computer 33
- 3 Wireless 34
- Using the wireless controls 35
- Using the wireless switch 35
- Using a WLAN 36
- Connecting to a WLAN 38
- Roaming to another network 38
- 4 Multimedia 40
- Multimedia features 31 41
- Adjusting the volume 42
- Multimedia software 43
- Checking your audio functions 44
- Using optical discs 47
- Selecting the right disc 47
- Playing music 48
- Watching a movie 49
- Changing DVD region settings 50
- 42 Chapter 4 Multimedia 52
- Adjusting webcam properties 53
- 5Security 54
- Using passwords 55
- Setup password 56
- Managing a setup password 57
- Power-on password 58
- Managing a power-on password 59
- Entering a power-on password 60
- Setting a DriveLock password 62
- Entering a DriveLock password 63
- Changing a DriveLock password 64
- Removing DriveLock protection 65
- Securing system devices 66
- Setting stringent security 67
- Removing stringent security 68
- Using antivirus software 69
- Using firewall software 70
- Installing critical updates 71
- Installing a security cable 72
- 6 External devices 73
- Using USB legacy support 74
- Using external drives 75
- When the disc tray opens 77
- 7 External media cards 80
- Using ExpressCards 82
- Using pointing devices 85
- Using the keyboard 85
- Initiating Standby (fn+f1) 86
- Initiating QuickLock (fn+f6) 88
- Muting speaker sound (fn+f8) 88
- Using keypads 89
- Identifying installed drives 92
- Handling drives 92
- Improving HD performance 94
- Replacing a hard drive 97
- Replacing a hard drive 89 99
- 7. Replace the battery 100
- 90 Chapter 9 Drives 100
- 10 Memory modules 101
- 15. Replace the battery 104
- 17. Turn on the computer 104
- 11 Computer Setup 105
- Computer Setup menus 106
- Diagnostics menu 107
- Security menu 107
- System Configuration menu 108
- Computer Setup menus 99 109
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