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Sony VPCW121AXP, VPCW121AXT, VPCW121AXW Troubleshooting

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Troubleshooting

This section describes how to solve common problems you mig ht encounter when using your VAIO computer. Many problems

have simple solutions. Try these suggestions before visiting the So ny online support web site

at the following URLs:

❑For customers in USA

http://esupport.sony.com/EN/VAIO/

❑For customers in Canada

http://sony.ca/support/

❑For customers in Spanish-speaking Latin American countries o r areas

http://esupport.sony.com/ES/VAIO/LA

❑For customers in Brazil

http://esupport.sony.com/BR/

Features and options in this section may not be available on your computer.

❑Computer (page 93)

❑System Security (page 100)

❑Battery (page 101)

❑Built-in Camera (page 103)

❑Networking (page 105)

❑Bluetooth Technology (page 108)

❑Display (page 112)

❑Printing (page 116)

Contents

Main Contents Page Before Use How to find specifications About Models with Windows 7 Starter Finding More about Your VAIO Computer 1. Printed Documentation 2. On-screen Documentation Page 3. Support Web Sites 4. Customer Information Center 5. In Store Service & Support (available in USA only) Ergonomic Considerations Page Getting Started Locating Controls and Ports Locating Controls and Ports Take a moment to identify the controls and ports shown on the following pages. Front Locating Controls and Ports Page Right Left Bottom 19 About the Indicator Lights About the Indicator Lights Your computer is equipped with the following indicator lights: Indicator Functions Connecting a Power Source Using the AC Adapter To use the AC adapter Using the Battery Pack Installing/Removing the Battery Pack To install the battery pack Page Page To remove the battery pack Charging the Battery Pack To charge the battery pack Page Extending Your Battery Life Shutting Down Your Computer Safely To shut down your computer Using the Power Saving Modes Using Sleep Mode To activate Sleep mode To return to Normal mode Using Hibernate Mode To activate Hibernate mode Updating Your Computer Using Your VAIO Computer 33 Using Your VAIO Computer > Using the Keyboard Using the Keyboard Your keyboard has additional keys that perform model-specific task s. Combinations and Functions with the Fn Key ! Page Using the Touch Pad Using the Built-in Camera To use the preinstalled image capture software Using "Memory Stick" Before You Use "Memory Stick" Inserting and Removing "Memory Stick" To insert "Memory Stick" To remove "Memory Stick" Formatting "Memory Stick" To format "Memory Stick" Page Notes on Using "Memory Stick" Using Other Modules / Memory Cards Using the SD Memory Card Before you use the SD memory card To insert an SD memory card To remove an SD memory card Notes on Using Memory Cards General notes on using the memory card Notes on using the SD memory card Using the Internet Using the Network (LAN) Using the Wireless LAN To use the wireless LAN function Using Your VAIO Computer > Using the Wireless LAN Page Using the Bluetooth Function To use the Bluetooth function Bluetooth Security Communicating with Another Bluetooth Device To communicate with another Bluetooth device Notes on Using the Bluetooth Function Page Using Peripheral Devices Connecting an Optical Disc Drive Connecting an Optical Disc Drive To connect an optical disc drive Connecting External Speakers or Headphones To connect external speakers Page Connecting a Computer Display or a Projector To connect a computer display or a projector Selecting Display Modes To select a display mode with the Fn+F7 keys To select a display mode from the display settings Using the Multiple Monitors Function To use the Multiple Monitors function Connecting an External Microphone To connect an external microphone Connecting a USB Device To connect a USB device Notes on connecting a USB device Page Setting the Password Adding the Power-on Password To add the power-on password (machine password) To add the power-on password (user password) Changing/Removing the Power-on Password To change or remove the power-on password (machine password) To change or remove the power-on password (user password) Using the VAIO Control Center To use the VAIO Control Center Using the VAIO Power Management Selecting a Power Plan To select a power plan To change the power plan settings Precautions Safety I nformatio n Computer Power Source Battery Pack Page Page Care and Maintenance Information Handling Your Computer Page Handling the LCD Screen Using the Power Source Handling the Built-in Camera Page Using the Battery Pack Handling "Memory Stick" Handling the Built-in Storage Device To avoid damaging your hard disk drive To avoid damaging your solid state drive Troubleshooting Page Computer What should I do if my computer does not start? What should I do if the green power indicator light turns on but my screen remains blank? What should I do if my computer or software stops responding? Why doesn't my computer enter Sleep or Hibernate mode? To restore your computer to Normal mode What should I do if the charge indicator light is blinking fast and my computer does not start? Page What should I do if my game software does not work or it keeps crashing? What should I do if I cannot remember the power-on password? How can I change the boot device order? Page System Security How can I protect my computer against security threats, such as viruses? How do I keep my antivirus software updated? Battery Can my computer enter Hibernate mode while running on battery power? Built-in Camera Why does the viewfinder show no images or poor-quality images? Why are captured images poor in quality? What should I do if captured images contain dropped frames and audio interruptions? Page Networking What should I do if my computer cannot connect to a wireless LAN access point? What should I do if I cannot access the Internet? Why is the data transfer speed slow? How do I avoid data transfer interruptions? What are channels? Why does the network connection stop when I change the encryption key? Bluetooth Technology What should I do if other Bluetooth devices cannot find my computer? What should I do if I cannot find the Bluetooth device I want to communicate with? What should I do if other Bluetooth devices cannot connect to my computer? Why is my Bluetooth connection slow? Why can't I use the services supported by the connected Bluetooth device? Page What should I do if I do not hear sound from my headphones or audio/video controller? Display Why did my screen go blank? What should I do if I do not see proper images or videos? Why doesn't my screen display a video? What should I do if my screen is dark? Page Printing What should I do if I cannot print a document? Microphone What should I do if my microphone does not work? How can I prevent microphone feedback? Speakers What should I do if I do not hear sound from the built-in speakers? What should I do if my external speakers do not work? Touch Pad What should I do if the touch pad does not work? Keyboard What should I do if the keyboard configuration is wrong? What should I do if I cannot enter certain characters with the keyboard? Floppy Disks Why doesn't the Safely Remove Hardware icon appear on the taskbar when the drive is connected? What should I do if I cannot write data to a floppy disk? Audio/Video "Memory Stick" Peripherals What should I do if I cannot connect a USB device? Trademarks Page Notice