HP ZBook 15 Base Model Mobile Workstation Manuel d'utilisateur Page 102
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B Troubleshooting
The following sections are included in this appendix:
Troubleshooting resources
● Access website links and additional information about the computer through HP Support
Assistant. To access HP Support Assistant from the Start screen, select the HP Support
Assistant app.
NOTE: Some checkup and repair tools require an Internet connection. HP also provides
additional tools that do not require an Internet connection.
●
Contact HP support. For U.S. support, go to
http://www.hp.com/go/contactHP. For worldwide
support, go to
http://welcome.hp.com/country/us/en/wwcontact_us.html.
Choose from the following types of support:
◦
Chat online with an HP technician.
NOTE: When chat is not available in a particular language, it is available in English.
◦
E-mail HP support.
◦
Find HP support worldwide telephone numbers.
◦
Locate an HP service center.
Resolving issues
The following sections describe several common issues and solutions.
The computer is unable to start up
If the computer does not turn on when you press the power button, the following suggestions may
help you determine why the computer does not start up:
●
If the computer is plugged into an AC outlet, plug another electrical device into the outlet to be
sure that the outlet is providing adequate power.
NOTE: Use only the AC adapter provided with the computer or one approved by HP for this
computer.
●
If the computer is plugged into an external power source other than an AC outlet, plug the
computer into an AC outlet using the AC adapter. Be sure that the power cord and AC adapter
connections are secure.
92 Appendix B Troubleshooting
- User Guide 1
- Safety warning notice 3
- Table of contents 5
- 1Welcome 11
- Finding information 12
- Finding information 3 13
- TouchPad 14
- Bottom 13 23
- 3 Connecting to a network 25
- Using a WLAN 26
- Setting up a WLAN 27
- Configuring a wireless router 27
- Protecting your WLAN 27
- Connecting to a WLAN 28
- Inserting and removing a SIM 29
- Connecting to a wired network 30
- Using pointing devices 32
- Using TouchPad Gestures 33
- Right-edge swipe 37
- Top-edge swipe 37
- Left-edge swipe 38
- Using the keyboard 39
- Using keypads 40
- 5 Multimedia 42
- Webcam (select models only) 43
- Thunderbolt 44
- 6 Power management 47
- Initiating and exiting Sleep 48
- Using battery power 49
- Using Battery Check 50
- Managing low battery levels 50
- Conserving battery power 52
- Using external AC power 53
- 7 External cards and devices 56
- 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
- Handling drives 63
- Using hard drives 63
- Removing the service cover 64
- Replacing the service cover 65
- Removing the hard drive 66
- Installing a hard drive 67
- Using Disk Defragmenter 68
- Using Disk Cleanup 68
- 9Security 70
- Setting passwords in Windows 71
- Setting a DriveLock password 74
- Entering a DriveLock password 75
- Changing a DriveLock password 75
- Removing DriveLock protection 75
- Using antivirus software 77
- Using firewall software 77
- Using HP Client Security 78
- 10 Maintenance 80
- Cleaning your computer 82
- Updating programs and drivers 83
- 11 Backup and recovery 85
- Performing a system recovery 86
- Using f11 recovery tools 87
- Using HP Software Setup 89
- System Diagnostics 90
- Updating the BIOS 92
- Using MultiBoot 93
- Using System Diagnostics 95
- 13 Support 97
- Component 99
- (3) Serial number 99
- (4) Product number 99
- 14 Specifications 100
- A Traveling with the computer 101
- B Troubleshooting 102
- The computer screen is blank 103
- A disc does not play 104
- C Electrostatic discharge 106
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