HP ZBook 17 Mobile Workstation Manuel d'utilisateur Page 50
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3. Remove the battery from the computer (2).
Conserving battery power
●
Select low power-use settings through Power Options in Windows Control Panel.
●
Turn off wireless and LAN connections and exit modem applications when you are not using
them.
●
Disconnect unused external devices that are not plugged into an external power source.
●
Stop, disable, or remove any external media cards that you are not using.
●
Decrease screen brightness.
●
Before you leave your work, initiate Sleep, or shut down the computer.
Storing a user-replaceable battery
CAUTION: To reduce the risk of damage to a battery, do not expose it to high temperatures for
extended periods of time.
If a computer will be unused and unplugged from external power for more than 2 weeks, remove the
user-replaceable battery and store it separately.
To prolong the charge of a stored battery, place it in a cool, dry place.
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
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 the
user guides, select the Start > Help and Support > User Guides. To access battery information,
select Start> Help and Support > Learn > Power Plans: Frequently Asked Questions.
Replacing a user-replaceable battery
Battery Check 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.
40 Chapter 6 Power management
- User Guide 1
- Safety warning notice 3
- Table of contents 5
- 1Welcome 11
- Finding information 12
- Finding information 3 13
- TouchPad 14
- Buttons and speakers 16
- Bottom 13 23
- 3 Connecting to a network 25
- Using a WLAN 26
- Setting up a WLAN 28
- Configuring a wireless router 28
- Protecting your WLAN 28
- Connecting to a WLAN 29
- Inserting and removing a SIM 30
- Connecting to a wired network 31
- Using pointing devices 33
- Using TouchPad Gestures 34
- Using the keyboard 38
- Using keypads 39
- 5 Multimedia 41
- Webcam (select models only) 42
- DisplayPort 43
- Intel Wireless Display 44
- 6 Power management 45
- Initiating and exiting Sleep 46
- Using battery power 47
- Using Battery Check 48
- Managing low battery levels 48
- Conserving battery power 50
- Using external AC power 51
- Setting power options 43 53
- 7 External cards and devices 54
- Configuring an ExpressCard 55
- Inserting an ExpressCard 56
- Using smart cards 57
- Using a USB device 58
- Connecting a USB device 59
- Removing a USB device 59
- Handling drives 61
- Using hard drives 61
- Removing the service door 62
- Replacing the service door 63
- Removing the hard drive 63
- Installing a hard drive 64
- Using Disk Defragmenter 65
- Using Disk Cleanup 65
- 9Security 67
- Setting passwords in Windows 68
- Setting a DriveLock password 71
- Entering a DriveLock password 72
- Changing a DriveLock password 72
- Removing DriveLock protection 72
- Using antivirus software 74
- Using firewall software 74
- Using HP Client Security 75
- 10 Maintenance 76
- Cleaning your computer 78
- Updating programs and drivers 79
- 11 Backup and recovery 81
- Backing up your information 82
- Performing a system recovery 83
- Using Computer Setup 86
- Updating the BIOS 88
- Using MultiBoot 89
- 13 Support 93
- Component 95
- (3) Serial number 95
- (4) Product number 95
- B Troubleshooting 98
- The computer screen is blank 99
- A disc does not play 100
- C Electrostatic discharge 103
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