HP 2570p Guide de l'utilisateur Page 53
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NOTE: A stored battery should be checked every 6 months. If the capacity is less than 50 percent,
recharge the battery before returning it to storage.
Calibrate a battery before using it if it has been stored for one month or more.
Disposing of a user-replaceable battery (select models only)
WARNING! To reduce the risk of fire or burns, do not disassemble, crush, or puncture; do not short
external contacts; do not dispose of in fire or water.
See the Regulatory, Safety and Environmental Notices for proper battery disposal. To access this
guide, from the Start screen, type HP, select HP Support Assistant, select computer and then
select the User guides.
Replacing a user-replaceable battery (select models only)
Battery Check in Help and Support notifies you to replace the battery when an internal cell is not
charging properly or when the battery storage capacity has reached a weak condition. If the battery is
possibly covered by an HP warranty, instructions include a warranty ID. A message refers you to the
HP website for more information about ordering a replacement battery.
Using external AC power
WARNING! Do not charge the computer battery while you are onboard aircraft.
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.
NOTE: For information on connecting to AC power, see the Setup Instructions poster provided in
the computer box.
External AC power is supplied through an approved AC adapter or an optional docking or expansion
device.
Connect the computer to external AC power under any of the following conditions:
●
When charging or calibrating a battery
●
When installing or modifying system software
●
When writing information to a CD, a DVD, or a BD (select models only)
● When running Disk Defragmenter
●
When performing a backup or recovery
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 power 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.
Setting power options 43
- User Guide 1
- Safety warning notice 3
- Table of contents 5
- 1Welcome 11
- Finding information 12
- Finding information 3 13
- TouchPad 14
- Component Description 15
- Right 11 21
- Display 15 25
- Bottom 17 27
- 3 Connecting to a network 28
- Using a WLAN 29
- Setting up a WLAN 30
- Configuring a wireless router 30
- Protecting your WLAN 30
- Connecting to a WLAN 31
- Inserting and removing a SIM 32
- Connecting to a wired network 34
- Using pointing devices 36
- Using TouchPad Gestures 37
- Using the keyboard 39
- Identifying the hot keys 40
- Using keypads 41
- 5 Multimedia 43
- Connecting a microphone 44
- Adjusting the volume 44
- Webcam (select models only) 45
- 6 Power management 47
- Setting power options 48
- Using battery power 49
- Using Battery Check 50
- Managing low battery levels 51
- Conserving battery power 52
- Using external AC power 53
- Testing an AC adapter 54
- 7 External cards and devices 56
- Removing a digital card 57
- Configuring an ExpressCard 57
- Inserting an ExpressCard 58
- Removing an ExpressCard 59
- Using a USB device 60
- Connecting a USB device 61
- Removing a USB device 61
- Connecting an eSATA device 62
- Removing an eSATA device 62
- Using the docking connector 63
- Handling drives 64
- Using hard drives 65
- Removing the hard drive 66
- Using Disk Defragmenter 67
- Using Disk Cleanup 67
- Inserting an optical disc 69
- Removing an optical disc 70
- 62 Chapter 8 Drives 72
- Sharing optical drives 73
- 9Security 74
- Using passwords 75
- Setting a DriveLock password 78
- Entering a DriveLock password 79
- Changing a DriveLock password 79
- Removing DriveLock protection 80
- Using antivirus software 81
- Using firewall software 81
- 10 Maintenance 84
- Cleaning your computer 86
- Cleaning procedures 87
- Updating programs and drivers 88
- 11 Backup and recovery 89
- Performing a system recovery 90
- Using f11 recovery tools 91
- Using HP Software Setup 92
- System Diagnostics 93
- Updating the BIOS 95
- Downloading a BIOS update 96
- 13 Support 98
- 14 Specifications 100
- Operating environment 101
- A Traveling with the computer 102
- B Troubleshooting 104
- The computer screen is blank 105
- A disc does not play 108
- C Electrostatic discharge 110
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