HP ZBook 15 Base Model Mobile Workstation User Manual Page 45
- Page / 88
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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Disposing of a used 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 battery disposal information.
Replacing the battery
Computer battery life varies, depending on power management settings, programs running on the
computer, display brightness, external devices connected to the computer, and other factors.
You can find details about the battery by clicking the Battery icon in the notification area, at the far
right of the taskbar, and then click Laptop Battery.
NOTE: To ensure that you always have battery power when you need it, HP recommends
purchasing a new battery when the storage capacity indicator turns green-yellow.
Using external AC power
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.
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.
Connect the computer to external AC power under any of the following conditions:
WARNING! Do not charge the battery while you are onboard aircraft.
●
When you are charging or calibrating a battery
●
When you are installing or modifying system software
●
When 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 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.
Testing an AC adapter
Test the AC adapter if the computer exhibits any of the following symptoms when it is connected to
AC power:
● The computer does not turn on.
●
The display does not turn on.
●
The power lights are off.
Using external AC power 35
- HP Notebook 1
- Safety warning notice 3
- Table of contents 5
- 1Welcome 11
- Finding information 12
- TouchPad 13
- Display 21
- Bottom 13 23
- 3Networking 24
- Using a WLAN 25
- Protecting your WLAN 26
- Connecting to a wired network 27
- Using the keyboard 29
- Using the TouchPad 30
- Navigating 31
- Selecting 31
- Using TouchPad gestures 31
- Scrolling 32
- Pinching/Zooming 33
- Rotating (select models only) 33
- Using the pointing stick 34
- 5 Multimedia 35
- Using video devices 36
- DisplayPort 38
- 6 Power management 39
- Using the Power icon 40
- Using power management 40
- Using battery power 41
- Charging a battery 42
- Maximizing battery life 43
- Managing low battery levels 43
- Conserving battery power 44
- Storing a battery 44
- Using external AC power 45
- Handling drives 47
- Removing the service cover 48
- Replacing the service cover 48
- Removing the hard drive 49
- 40 Chapter 7 Drives 50
- Installing a hard drive 51
- 8 External cards and devices 52
- Inserting a smart card 54
- Removing a smart card 54
- Configuring an ExpressCard 55
- Inserting an ExpressCard 55
- Using a USB device 56
- Connecting a USB device 57
- Using the docking connector 58
- 9 Memory modules 59
- 10 Security 62
- Managing a DriveLock password 64
- Entering a DriveLock password 64
- Using firewall software 65
- Enrolling your fingerprint 67
- 11 Backup and Recovery 68
- Performing a system recovery 69
- System Diagnostics 71
- Updating the BIOS 72
- Downloading a BIOS update 73
- 13 MultiBoot 75
- A Troubleshooting and support 79
- A disc does not play 81
- Contacting support 82
- Component 84
- (3) Serial number 84
- (4) Product number 84
- B Cleaning your computer 85
- C Specifications 87
- D Electrostatic discharge 88
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