HP 421 Notebook-PC User Manual
HP Notebooks
This manual is related to the following products:
Table of contents
Document Outline
- Features
- Networking
- Pointing devices and keyboard
- Using pointing devices
- Using the keyboard
- Using hotkeys
- Displaying system information
- Opening Help and Support
- Decreasing screen brightness
- Increasing screen brightness
- Switching the screen image
- Initiating Sleep (fn+f5)
- Initiating QuickLock (fn+f6) (select models)
- Launching Web browser (fn+f7) (select models)
- Launching printer (fn+f8) (select models)
- Muting speaker sound (fn+f7) (select models)
- Decreasing speaker sound (fn+f8) (select models)
- Increasing speaker sound (fn+f9) (select models)
- Playing the previous track or section of an audio CD or a DVD (fn+f10) (select models)
- Playing, pausing, or resuming an audio CD or a DVD (fn+f11) (select models)
- Playing the next track or section of an audio CD or a DVD (fn+f12) (select models)
- Using hotkeys
- Using the embedded numeric keypad
- Using an optional external numeric keypad
- Multimedia
- Multimedia features
- Multimedia software
- Audio
- Video
- Optical drive (select models only)
- Identifying the installed optical drive
- Using optical discs (CDs, DVDs, and BDs)
- Selecting the right disc (CDs, DVDs, and BDs)
- Playing a CD, DVD, or BD
- Configuring AutoPlay
- Changing DVD region settings
- Observing the copyright warning
- Creating or “burning” a CD or DVD
- Removing an optical disc (CD, DVD, or BD)
- Troubleshooting
- The optical disc tray does not open for removal of a CD, DVD, or BD
- The computer does not detect the optical drive
- Preventing playback disruptions
- A disc does not play
- A disc does not play automatically
- A movie stops, skips, or plays erratically
- A movie is not visible on an external display
- The process of burning a disc does not begin, or it stops before completion
- A device driver must be reinstalled
- Webcam
- Power management
- Setting power options
- Using external AC power
- Using battery power
- Using Battery Check
- Displaying the remaining battery charge
- Inserting or removing the battery
- Charging a battery
- Maximizing battery discharge time
- Managing low battery levels
- Calibrating a battery
- Conserving battery power
- Storing a battery
- Disposing of a used battery
- Replacing the battery
- Testing an AC adapter
- Shutting down the computer
- Drives
- External devices
- External media cards
- Memory modules
- Security
- Protecting the computer
- Using passwords
- Using Computer Setup security features
- Using antivirus software
- Using firewall software
- Installing critical updates
- Using HP ProtectTools Security Manager (select models only)
- Installing a security cable
- Software updates
- Backup and recovery
- Computer Setup
- MultiBoot
- Management and printing
- Cleaning guidelines
- Index