Hp Mini 2140 Notebook-PC Uživatelský manuál Strana 29
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Resolving a low battery level
CAUTION: To reduce the risk of losing information when the computer reaches a critical battery level
and has initiated Hibernation, do not restore power until the power lights turn off.
Resolving a low battery level when external power is available
▲
Connect one of the following devices:
●
AC adapter
●
Optional expansion product or docking device
●
Optional power adapter
Resolving a low battery level when a charged battery is available
1. Turn off the computer or initiate Hibernation.
2. Remove the discharged battery, and then insert a charged battery.
3. Turn on the computer.
Resolving a low battery level when no power source is available
▲
Initiate Hibernation.
– or –
Save your work and shut down the computer.
Resolving a low battery level when the computer cannot exit Hibernation
When the computer lacks sufficient power to exit Hibernation, follow these steps:
1. Insert a charged battery or plug the computer into external power.
2. Exit Hibernation by briefly sliding the power switch.
Calibrating a battery
Calibrate a battery under the following conditions:
●
When battery charge displays seem inaccurate
●
When you observe a significant change in battery run time
Even if a battery is heavily used, it should not need to be calibrated more than once a month. It is also
not necessary to calibrate a new battery.
Step 1: Fully charge the battery
WARNING! Do not charge the computer battery while you are onboard aircraft.
NOTE: The battery charges whether the computer is off or in use, but it charges faster when the
computer is off.
Using battery power 19
- 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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