HP CQ41-204TX, CQ41-205TX, CQ41-206TX, CQ41-207TX, CQ41-208TU, CQ41-208TX, CQ41-209TU, CQ41-209TX, CQ41-210TU, CQ41-211TU, CQ41-211TX, CQ41-212TX, CQ41-213TU, CQ41-223TX, CQ41-224TX, CQ41-225TX Using keypads

Using keypads

The computer has an embedded numeric keypad and also supports an optional external numeric keypad or an optional external keyboard that includes a numeric keypad.

	Component	Description

(1)	fn key	Enables/disables the embedded numeric keypad when pressed in
		combination with the num lk key.

(2)	Num lock light	On: Embedded numeric keypad is enabled.

(3)	num lk key	Enables/disables the embedded numeric keypad when pressed in
		combination with the fn key.

(4)	Embedded numeric keypad	When the keypad has been enabled, it can be used like an external
		numeric keypad.

Using keypads 37

Contents

Page Page Safety warning notice Page Table of contents 3 Pointing devices and keyboard 4 Multimedia 5 Power management 6 Drives 7 External devices and external media cards 8 Memory modules 9 Security Appendix A Setup Utility (BIOS) Appendix B Software updates Appendix C Backup and recovery 1 Features Identifying hardware Components Top components TouchPad Lights Page Buttons and speakers Keys Display Front components Rear component Right-sidecomponents Left-sidecomponents Bottom components Wireless antennas Additional hardware components Labels 2Wireless, local area network, and modem Using wireless devices Identifying wireless and network status icons Using the wireless controls Using the wireless button Using HP Wireless Assistant Using operating system controls Using a WLAN Setting up a WLAN Protecting your WLAN Connecting to a WLAN Roaming to another network Using Bluetooth wireless devices (select models only) Bluetooth and Internet Connection Sharing (ICS) Troubleshooting wireless connection problems Cannot connect to a WLAN Cannot connect to a preferred network Network icon is not displayed Current network security codes are unavailable WLAN connection is very weak Cannot connect to the wireless router Using the modem (select models only) Connecting a modem cable Connecting a country-specificmodem cable adapter Selecting a location setting Viewing the current location selection Adding new locations when traveling Solving travel connection problems Connecting to a local area network 3 Pointing devices and keyboard Using the TouchPad Setting TouchPad preferences Connecting an external mouse Using keyboard hotkeys Opening Help and Support Opening the Print Options window Opening a Web browser Switching the screen image Initiating Sleep Initiating QuickLock Decreasing screen brightness Increasing screen brightness Playing, pausing or resuming an audio CD or a DVD Stopping an audio CD or a DVD Playing previous track or section of an audio CD or a DVD Playing next track or section of an audio CD or a DVD Muting speaker sound Using keypads Using the embedded numeric keypad Enabling and disabling the embedded numeric keypad Switching key functions on the embedded numeric keypad Using an optional external numeric keypad Cleaning the TouchPad and keyboard 4 Multimedia Multimedia features Identifying your multimedia components Adjusting the volume Using the media activity hotkeys Multimedia software Using DVD Play software Using other preinstalled multimedia software Installing multimedia software from a disc Audio Connecting external audio devices Checking your audio functions Video Connecting an external monitor or projector Connecting an HDMI device Configuring audio for HDMI Webcam (select models only) Webcam tips Adjusting webcam properties Troubleshooting The optical disc tray does not open for removal of a CD, DVD, or BD The computer does not detect the optical drive A disc does not play A disc does not play automatically A DVD movie stops, skips, or plays erratically A DVD movie is not visible on an external display The process of burning a disc does not begin, or it stops before completion A DVD playing in Windows Media Player produces no sound or display A device driver must be reinstalled Obtaining the latest HP device drivers Obtaining the latest Windows device drivers 5 Power management Setting power options Using power-savingstates Initiating and exiting Sleep Initiating and exiting Hibernation Using the battery meter Using power plans Viewing the current power plan Selecting a different power plan Customizing power plans Setting password protection on wakeup Using external AC power Connecting the AC adapter Testing an AC adapter Using battery power Finding battery information in Help and Support Using Battery Check Displaying the remaining battery charge Inserting or removing the battery Charging a battery Maximizing battery discharge time Managing low battery levels Identifying low battery levels Resolving a low battery level Calibrating a battery Step 1: Fully charge the battery Step 2: Disable Hibernation and Sleep Step 3: Discharge the battery Step 4: Fully recharge the battery Step 5: Reenable Hibernation and Sleep Conserving battery power Storing a battery Disposing of a used battery Replacing the battery Shutting down the computer 6 Drives Handling drives Optical drive Identifying the installed optical drive Using optical discs Selecting the right disc CD-Rdiscs CD-RWdiscs DVD±R discs DVD±RW discs Playing a CD, DVD, or BD Configuring AutoPlay Changing DVD region settings Observing the copyright warning Copying a CD or DVD Creating (burning) a CD or DVD Removing an optical disc (CD, DVD, or BD) Removing the optical drive Using external drives Improving hard drive performance Using Disk Defragmenter Using Disk Cleanup Replacing the hard drive Page Page Page 7External devices and external media cards Using a USB device Connecting a USB device Removing a USB device Using Digital Media Slot cards Inserting a digital card Removing a digital card 8 Memory modules Page Page Page 9 Security Protecting the computer Using passwords Setting passwords in Windows Setting passwords in Setup Utility Administrator password Power-onpassword Using antivirus software Using firewall software Installing critical security updates Installing an optional security cable A Setup Utility (BIOS) Starting Setup Utility Using Setup Utility Changing the language of Setup Utility Navigating and selecting in Setup Utility Restoring default settings in Setup Utility Exiting Setup Utility Setup Utility menus Main menu Security menu System Configuration menu Diagnostics menu B Software updates Updating the BIOS Determining the BIOS version Downloading a BIOS update Updating programs and drivers C Backup and recovery Creating recovery discs Backing up your information Using Windows Backup and Restore Using system restore points When to create restore points Create a system restore point Restore to a previous date and time Performing a recovery Recovering from the recovery discs Recovering from the dedicated recovery partition (select models only) Index J jacks

HP Presario Using keypads

Models: CQ41-204TX CQ41-205TX CQ41-206TX CQ41-207TX CQ41-208TU CQ41-208TX CQ41-209TU CQ41-209TX CQ41-210TU CQ41-211TU CQ41-211TX CQ41-212TX CQ41-213TU CQ41-223TX CQ41-224TX CQ41-225TX

Using keypads