HP Nx9420 HP Compaq nx9420 and nw9440 Notebook PC - Getting Started - Enhanced - Page 4

Troubleshooting, A Specifications, B Backup and recovery, Contacting Customer Care by e-mail

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Contents Protect your privacy 2-4 Protect the computer from power surges 2-5 Use the computer safely 2-5 Connect to a computer network 2-7 Update your software 2-8 Locate the user guides 2-8 Turn off the computer correctly 2-9 3 Troubleshooting Troubleshooting resources 3-1 Quick troubleshooting 3-1 Is the computer unable to start up 3-1 Is the computer screen blank 3-2 Is software functioning abnormally 3-3 Is the computer turned on, but is not responding?. . . 3-4 Is the computer unusually warm 3-5 Is an external device not working 3-5 Is the home wireless network connection not working 3-6 Help and Support 3-7 Customer Care 3-7 Preparing to contact Customer Care 3-8 Contacting Customer Care by e-mail or telephone 3-8 A Specifications Operating environment A-1 Rated input power A-2 B Backup and recovery Safeguard your data B-1 Back up the system B-1 Back up specific files or folders B-2 Back up the entire hard drive B-3 iv Getting Started

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Contents
Protect your privacy. . . . . . . . . . . . . . . . . . . . . . . . . . 2–4
Protect the computer from power surges . . . . . . . . . . 2–5
Use the computer safely . . . . . . . . . . . . . . . . . . . . . . 2–5
Connect to a computer network . . . . . . . . . . . . . . . . . . . . 2–7
Update your software . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–8
Locate the user guides . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–8
Turn off the computer correctly . . . . . . . . . . . . . . . . . . . . 2–9
3Troubleshooting
Troubleshooting resources . . . . . . . . . . . . . . . . . . . . . . . . 3–1
Quick troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–1
Is the computer unable to start up? . . . . . . . . . . . . . . 3–1
Is the computer screen blank? . . . . . . . . . . . . . . . . . . 3–2
Is software functioning abnormally? . . . . . . . . . . . . . 3–3
Is the computer turned on, but is not responding?. . . 3–4
Is the computer unusually warm? . . . . . . . . . . . . . . . 3–5
Is an external device not working? . . . . . . . . . . . . . . 3–5
Is the home wireless network connection
not working? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–6
Help and Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–7
Customer Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–7
Preparing to contact Customer Care . . . . . . . . . . . . . 3–8
Contacting Customer Care by e-mail
or telephone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–8
A Specifications
Operating environment. . . . . . . . . . . . . . . . . . . . . . . . . . . A–1
Rated input power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A–2
B Backup and recovery
Safeguard your data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B–1
Back up the system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B–1
Back up specific files or folders . . . . . . . . . . . . . . . . B–2
Back up the entire hard drive. . . . . . . . . . . . . . . . . . . B–3
Getting Started
iv