HP Pavilion dm4-1162us User Manual Page 67
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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Charging a battery
WARNING! Do not charge the computer battery while you are onboard aircraft.
The battery charges whenever the computer is plugged into external power through an AC adapter,
an optional power adapter, an optional expansion product, or an optional docking device.
The battery charges whether the computer is off or in use, but it charges faster when the computer is
off.
Charging may take longer if a battery is new, has been unused for 2 weeks or more, or is much
warmer or cooler than room temperature.
To prolong battery life and optimize the accuracy of battery charge displays, follow these
recommendations:
●
If you are charging a new battery, charge it fully before turning on the computer.
●
Charge the battery until the battery light turns white.
NOTE: If the computer is on while the battery is charging, the battery meter in the notification
area may show 100 percent charge before the battery is fully charged.
●
Allow the battery to discharge below 5 percent of a full charge through normal use before
charging it.
●
If the battery has been unused for one month or more, calibrate the battery instead of simply
charging it.
The battery light displays charge status:
●
White: The computer is connected to external power and the battery is fully charged.
●
Amber: The computer is connected to external power and the battery is charging.
●
Blinking: A battery that is the only available power source has reached a low battery level. When
the battery reaches a critical battery level, the battery light continues to blink.
Maximizing battery discharge time
Battery discharge time varies depending on the features you use while on battery power. Maximum
discharge time gradually shortens, as the battery storage capacity naturally degrades.
Tips for maximizing battery discharge time:
●
Lower the brightness on the display.
●
Check the Power saver setting in Power Options.
●
Remove the battery from the computer when it is not being used or charged.
●
Store the battery in a cool, dry location.
Managing low battery levels
The information in this section describes the alerts and system responses set at the factory. Some
low-battery alerts and system responses can be changed using Power Options in Windows Control
Panel. Preferences set using Power Options do not affect lights.
Using battery power 57
- HP Pavilion Notebook PC 1
- Safety warning notice 3
- Table of contents 5
- 1Features 11
- 2 Chapter 1 Features 12
- Identifying the hardware 3 13
- 4 Chapter 1 Features 14
- Front components 15
- Right-side components 15
- Left-side components 16
- Display components 17
- Bottom components 18
- Wireless antennas 18
- Identifying the hardware 9 19
- 2Networking 22
- Using the wireless controls 23
- Using the wireless action key 23
- Using a WLAN 24
- Setting up a WLAN 25
- Protecting your WLAN 25
- Connecting to a WLAN 26
- Roaming to another network 27
- Inserting a SIM 27
- Removing a SIM 28
- Cannot connect to a WLAN 30
- Network icon is not displayed 31
- WLAN connection is very weak 32
- Using pointing devices 34
- Selecting 35
- Using TouchPad gestures 36
- Using the action keys 37
- Using the hotkeys 38
- 4 Multimedia 41
- 32 Chapter 4 Multimedia 42
- Multimedia software 43
- Using HP MediaSmart software 44
- Checking your audio functions 45
- Regulatory, Safety and 46
- Environmental Notices 46
- Connecting an HDMI device 47
- Optical drive 48
- CD-R discs 49
- Playing a CD, DVD, or BD 50
- Configuring AutoPlay 51
- Changing DVD region settings 51
- Copying a CD or DVD 52
- Troubleshooting 54
- A disc does not play 55
- Adjusting webcam properties 59
- 5 Power management 60
- Using the battery meter 61
- Using power plans 61
- Using external AC power 62
- Connecting the AC adapter 63
- Using battery power 64
- Using Battery Check 65
- Charging a battery 67
- Managing low battery levels 67
- Calibrating a battery 68
- Step 3: Discharge the battery 70
- Conserving battery power 71
- Storing a battery 71
- Disposing of a used battery 71
- Replacing the battery 71
- Shutting down the computer 72
- Identifying installed drives 73
- Handling drives 73
- Using Disk Defragmenter 74
- Using Disk Cleanup 74
- Replacing the hard drive 76
- 7 External devices 81
- Using an eSATA device 82
- 8 External media cards 84
- Removing a digital card 85
- 9 Memory modules 86
- 13. Replace the battery 92
- 15. Turn on the computer 92
- 82 Chapter 9 Memory modules 92
- 10 Security 93
- Setting passwords in Windows 94
- Administrator password 95
- Using antivirus software 96
- Using firewall software 97
- Using the fingerprint reader 98
- Registering fingerprints 99
- 90 Chapter 10 Security 100
- 11 HP QuickWeb 101
- 12 Setup Utility 102
- Displaying system information 103
- Setup Utility menus 104
- Diagnostics menu 105
- 13 Software updates 106
- Updating programs and drivers 107
- 14 Backup and Recovery 109
- Backing up your information 110
- Using system restore points 111
- Performing a recovery 112
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