HP C2N25UA 174

164 Chapter 15 Troubleshooting

ENWW

Contents

Page Page Table of contents Page Page Page Page Page Page Page 1 Notebook Tour Components Top components TouchPad Buttons and switches Page Lights Front components Rear components Right-sidecomponents Page Left-sidecomponents Bottom components Wireless antennae (select models only) Additional hardware components Labels Specifications Operating environment Rated input power Expansion port input/output signals 2 TouchPad and Keyboard TouchPad Using the TouchPad Using an external mouse Setting TouchPad preferences Keyboard Hotkeys Hotkey quick reference Hotkey procedures Display and clear system information (fn+esc) Open the Help and Support Center (fn+f1) Open the Print Options window (fn+f2) Open a Web browser (fn+f3) Switch the screen image (fn+f4) Initiate standby (fn+f5) Initiate QuickLock (fn+f6) Decrease screen brightness (fn+f7) Increase screen brightness (fn+f8) Play, pause or resume an audio CD or a DVD (fn+f9) Stop an audio CD or a DVD (fn+f10) Quick Launch Buttons software Page Keypads Using the embedded numeric keypad Using an external numeric keypad Page 3 Power Power control and light locations Page Power sources Connecting the AC adapter Standby and hibernation Standby Hibernation Initiating standby, hibernation or shutdown Page Default power settings Turning the computer or display on or off Using emergency shutdown procedures Initiating or resuming from standby Initiating or restoring from hibernation Power options Accessing Power Options Properties Displaying the Power Meter icon Setting or changing a power scheme Setting a security prompt Processor performance controls Battery packs Inserting or removing a battery pack Charging a battery pack Monitoring the charge of the battery pack Managing low-batteryconditions Resolving low-batteryconditions Calibrating a battery pack Page Conserving battery power Storing a battery pack 4 Drives Drive care IDE drive light Hard drive Page Page Optical drives Inserting an optical disc Removing an optical disc (with power) Removing an optical disc (without power) Avoiding standby or hibernation 5 Multimedia Multimedia hardware Using the optical drive Inserting an optical disc Removing an optical disc (with power) Removing an optical disc (without power) Page Using media activity hotkeys Using the QuickPlay buttons Page Using the audio features Using the audio-in(microphone) jack Using the audio-out(headphone) jack Using S/PDIF digital audio (select models only) Adjusting the volume Using the video features Using the S-Video-outjack Remote control (select models only) HP Mobile Remote Control (PC Card version) Page Page Page Page Page Page HP Mobile Remote Control (ExpressCard version) Page Page Page Page Page Page Troubleshooting the remote control Multimedia software Identifying preinstalled multimedia software Installing multimedia software from a CD (select models only) Using multimedia software Using QuickPlay software Protecting playback Protecting the CD or DVD write process Changing DVD region settings Observing the copyright warning 6 External Media Cards Digital Media Slot cards (select models only) Inserting a digital card Stopping or removing a digital card PC Cards (select models only) Configuring a PC Card Inserting a PC Card Stopping or removing a PC Card Page ExpressCards Selecting an ExpressCard Configuring an ExpressCard Inserting an ExpressCard Page Stopping or removing an ExpressCard 7 External Devices Using a USB device Connecting a USB device Stopping a USB device Required USB software Using a 1394 device (select models only) Connecting a 1394 device Stopping a 1394 device Required 1394 software Using the expansion port 8 Memory Modules Adding or replacing memory modules Page Page Page Effects of increasing memory Video memory settings (select models only) 9 Wireless (Select Models Only) Wireless features Identifying an 802.11 wireless device Wireless controls 802.11 wireless devices (select models only) Setting up a WLAN in your home Connecting to a WLAN in your home Connecting to a public WLAN Using wireless security features Bluetooth wireless devices (select models only) 10 Modem and Local Area Network Modem Connecting the modem cable Connecting a country-specificmodem cable adapter Selecting a location setting Adding new locations when traveling Solving travel connection problems Using preinstalled communication software Local area networks Page 11 Security Security features Passwords Guidelines for setting passwords Passwords set in Windows Passwords set in the Setup Utility Power-onpassword Antivirus software Firewall software Critical updates Optional security cable Page 12 Setup Utility Setup Utility access Setup Utility language Setup Utility defaults Setup Utility menus Main menu Security menu System Configuration menu Diagnostics menu Page 13 Software Update and Recovery Software updates HP Software Update Software updates and the HP Web site Downloading a BIOS update Installing a BIOS update Downloading and installing other software System recovery Safeguarding your information Using System Restore Reinstalling applications Repairing the operating system Reinstalling the operating system Reinstall the operating system Reinstalling device drivers and other software Page 14 Routine Care Hardware maintenance Battery pack TouchPad and keyboard Display Drives Regular tune-ups Traveling and shipping 15 Troubleshooting Quick checklist The computer will not start up The computer screen is blank The software is functioning abnormally The computer is turned on, but is not responding The computer is extremely warm An external device is not working The computer cannot connect to a wireless local area network (WLAN) Customer Care Preparing to contact Customer Care Contacting Customer Care by e-mailor telephone Taking the computer to a service partner Page 16 Electrostatic Discharge Preventing electrostatic discharge Handling drives Handling internal components Grounding methods Index