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Sony VGN-Z Series Stopping Wireless LAN Communications

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Using Your VAIO Computer >

Using the Wireless LAN

Stopping Wireless LAN Communications

To stop wireless LAN communications

Click the button next to or above the WLAN icon in the VAIO Smart Network window.

!

Turning off the wireless LAN function while accessing remote documents, files, or resources may result in data loss.

Contents

Main Contents Page Before Use How to find specifications Finding More about Your VAIO Computer 1. Printed Documentation 2. On-screen Documentation 3. Support Web Sites Ergonomic Considerations Page Getting Started Locating Controls and Ports Take a moment to identify the controls and ports shown on t he following pages. Front Page Back Right Left Bottom 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 Page Using the Battery Pack Installing/Removing the Battery Pack To install the battery pack 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 Using Hibernate Mode Updating Your Computer Using Your VAIO Computer Using the Keyboard Using the Keyboard Your keyboard has additional keys that perform model -specific tasks. Combinations and Functions with the Fn Key Page Using the Touch Pad Using Special-function Buttons Using the Built-in Camera To use the preinstalled image capture software Using the Optical Disc Drive To insert a disc Page Using the Optical Disc Drive Supported Disc Media Using the Optical Disc Drive Notes on Using the Optical Disc Drive Notes on writing data to a disc Notes on playing discs Notes on region codes Playing Discs To play a disc Copying Files to Discs To copy files to a disc 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 ExpressCard Module To insert an ExpressCard module To remove an ExpressCard module 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 To connect a telephone cable To set up a dial-up connection to the Internet Using the Network (LAN) Using the Wireless LAN Using the Wireless LAN Page To communicate without an access point (ad-hoc) Communicating with an Access Point (Infrastructure) To connect to a wireless network Stopping Wireless LAN Communications To stop wireless LAN communications Using the Wireless WAN Inserting a SIM Card To insert a SIM card Page Starting the Wireless WAN Communications To start the wireless WAN communications Using the Bluetooth Function Bluetooth Security Communicating with Another Bluetooth Device To communicate with another Bluetooth device Page Notes on Using the Bluetooth Function Page Using Fingerprint Authentication Page Page Page Page Page Erasing the Registered Fingerprints To erase the registered fingerprints Using the TPM Important Notice Notes on encrypting the operating system or program files Notes on encrypting key files or files on the Personal Secure Drive Notes on encrypting backup files or other files Page Configuring the TPM To enable the TPM in the BIOS setup screen To install the Infineon TPM Professional Package To initialize and configure the TPM Using BitLocker Drive Encryption with the TPM Notes on using BitLocker Drive Encryption To unlock the encrypted data with a recovery key stored on a USB flash memory device Page Using Peripheral Devices Page Using Peripheral Devices > Connecting a Docking Station Locating Ports on the Docking Station Attaching Your Computer to the Docking Station To attach your computer to the docking station Page Page Disconnecting Your Computer from the Docking Station To disconnect your computer from the docking station Page Connecting External Speakers or Headphones To connect external speakers Connecting an External Display Connecting a Computer Display or a Projector To connect a computer display or a projector Page Using the VAIO Presentation Support To use the VAIO Presentation Support Connecting a TV with an HDMI Input Port To connect a TV to your computer To connect a high-quality digital sound output device between your computer and a TV Page 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 Connecting an i.LINK Device Notes on connecting i.LINK devices Connecting a Digital Video Camcorder To connect a digital video camcorder Customizing Your VAIO Computer Selecting Performance Modes 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) Adding the Hard Disk Password To add the hard disk password Changing/Removing the Hard Disk Password To change the hard disk password To remove the hard disk password Adding the Windows Password To add the Windows password Changing/Removing the Windows Password To change the Windows password To remove the Windows password Using Intel VT To enable Intel VT Using the VAIO Control Center To use the VAIO Control Center Using the VAIO Status Monitor To display the VAIO Status Monitor window Using the VAIO Power Management Selecting a Power Plan To select a power plan To change the power plan settings Changing the Display Language To install a language pack To change the display language Configuring Your Modem Protecting the Hard Disk Activating VAIO HDD Protection To activate VAIO HDD Protection Upgrading Your VAIO Computer Adding and Removing Memory Notes on adding/removing memory modules Page Removing and Installing a Memory Module To change or add a memory module Page Page Viewing the Amount of Memory To view the amount of memory Precautions Safet y Info rmat ion Computer Power Source Battery Pack Page Care and Maintenance Information Computer LCD Screen Built-in Camera Discs 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 Using Fingerprint Authentication Using the TPM Page 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 Page How can I change the boot device order? How do I reduce the volume of the recovery partition? How do I check the volume of the recovery partition? 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? How can I conserve battery power when my computer is in Sleep mode? 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 Internet What should I do if my modem does not work? Why is my modem connection slow? Networking What should I do if my computer cannot connect to a wireless LAN access point? Page 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? How do I display the VAIO Smart Network window? What should I do if my computer cannot connect to the wireless WAN? 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? What should I do if the Bluetooth icon is not displayed on the taskbar? Optical Discs Why does my computer freeze when I try to read a disc? What should I do if the drive tray does not open? What should I do if I cannot play a disc properly on my computer? Page Page 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? What should I do if the external display remains blank? How do I run Windows Aero? 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 What should I do if I cannot use my digital video camcorder? How do I turn off the Windows startup sound? How do I change the sound output device? Page "Memory Stick" Peripherals What should I do if I cannot connect a USB device? Docking Station Why can't I use my TFT/DVI monitor connected to the DVI-D port? Trademarks Page Notice