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B Troubleshooting
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.
The computer screen is blank
If the screen is blank but you have not turned off the computer, one or more of these settings may be
the cause:
●
The computer may be in the Sleep state. To exit Sleep, briefly press the power button. Sleep is
an energy-saving feature that turns off the display. Sleep can be initiated by the system while the
computer is on but is not in use, or when the computer has reached a low battery level. To
Troubleshooting resources 81
- User Guide 1
- Safety warning notice 3
- Table of contents 5
- 1Welcome 11
- Finding information 12
- Finding information 3 13
- Component Description 15
- Display 7 17
- TouchPad 18
- Bottom 13 23
- 3 Connecting to a network 26
- Using a WLAN 27
- 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
- Scrolling 35
- 2-finger pinch zoom 35
- 2-finger click 36
- Rotating (select models only) 36
- Flicking (select models only) 37
- Using the keyboard 39
- Using keypads 40
- 5 Multimedia 42
- Regulatory, Safety and 43
- Environmental Notices 43
- Configuring audio for HDMI 45
- 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 55
- Using a USB device 56
- Removing a USB device 57
- Handling drives 58
- Using hard drives 58
- Removing the service door 59
- Replacing the service door 59
- Removing the hard drive 60
- Installing a hard drive 61
- Using Disk Defragmenter 62
- Using Disk Cleanup 62
- 9 Security 64
- Setting passwords in Windows 65
- Setting a DriveLock password 68
- Entering a DriveLock password 68
- Changing a DriveLock password 69
- Removing DriveLock protection 69
- Using antivirus software 71
- Using firewall software 71
- 10 Maintenance 73
- Cleaning your computer 75
- Updating programs and drivers 76
- 11 Backup and recovery 78
- Using f11 recovery tools 79
- Using HP Software Setup 80
- Using Computer Setup 81
- Updating the BIOS 82
- Downloading a BIOS update 83
- Using MultiBoot 84
- 13 Support 87
- Component 88
- (1) Serial number 88
- (2) Product number 88
- (3) Warranty period 88
- A Traveling with the computer 90
- B Troubleshooting 91
- C Electrostatic discharge 95
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