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Sony VPCL11 Why doesn't my computer enter Sleep mode?

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Why doesn't my computer enter Sleep mode?

Your computer may become unstable if the operating mode is change d before the computer completely enters Sleep mode.

To restore your computer to normal mode

1Close all open programs.

2Click Start, the arrow next to the Shut down button, and Restart.

3If your computer does not restart, press the Ctrl+Alt+Delete keys and click the arrow next to the Shut down button and

Restart.

4If this procedure does not work, press and hold the power button until the computer tur ns off.

!

Turning off your computer with the Ctrl+Alt+Delete keys or the power button may cause loss of unsaved data.

What should I do if my computer does not accept my password and returns a message, Enter Onetime Password?

If you enter a wrong power-on password three times consecutively , the Enter Onetime Password message appears and

Windows will not start. Press and hold the power button for more than four se conds to check that the power indicator light

turns off. Wait for 10 or 15 seconds, then restart your computer and enter the correct passwor d. When entering the password,

make sure that the Caps lock indicator light is unlit and use the numer ic keys above the alphabet keys, not on the numeric

keypad.

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 the following pages. Front Back Right Left About the Indicator Lights Page To connect the power cord Shutting Down Your Computer Safely To shut down your computer Using the Power Saving Mode Using Sleep Mode To activate Sleep mode To return to Normal mode To change the Sleep mode settings Updating Your Computer Using Your VAIO Computer Using the Keyboard Using the Wireless Keyboard Page Using the Keyboard A B C D Page Page To connect the wireless keyboard Using the Mouse Using the Wireless Mouse Page Using the Mouse To connect the wireless mouse Page Adjusting the Mouse Functions Using the Touch Screen Using the Touch Screen Gesture Description Page Displaying the On-screen Keyboard Notes on Using the Touch Screen Using the Built-in Camera To use the preinstalled image capture software Page To insert a disc 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 the TV Function To connect your computer to land-based (terrestrial) or cable TV services Setting Up the Windows Media Center Using the HDMI/VIDEO Input Function Connecting an External Audio/Video Device To connect an external audio/video device to your computer Using the HDMI/VIDEO Input Control Buttons Using the OSD Menu Using the menu for the HDMI/VIDEO input function Using the menu for the PinP and Swap Function Using the Remote Commander A B Page Page 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 Page 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 Bluetooth Function Bluetooth Security Communicating with Another Bluetooth Device To communicate with another Bluetooth device Page Notes on Using the Bluetooth Function Page Page Connecting External Speakers or Headphones To connect external speakers 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 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 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 Safety I nformatio n Computer Page Care and Maintenance Information Handling Your Computer Page Handling the LCD Screen/Touch Screen Using the Power Source Handling the Built-in Camera Page 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 mode? To restore your computer to normal mode 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? 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 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? 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? Mouse What should I do if my computer does not recognize my mouse? What should I do if the pointer does not move when I use my mouse? 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 Screen What should I do if the touch screen does not work? What should I do if I cannot tap on the exact spot that I intend on the touch screen? Keyboard What should I do if the keyboard configuration is wrong? What should I do if I cannot use the numeric keypad to enter numbers? What should I do if my computer does not recognize my 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 How do I output the Dolby Digital or DTS sound through an S/PDIF-compatible device? HDMI/VIDEO Input Function What should I do if I cannot change the volume with the Up/Down buttons? What should I do if I cannot change the volume or LCD brightness with the wireless keyboard? How do I view the Windows desktop? Page "Memory Stick" Peripherals What should I do if I cannot connect a USB device? Trademarks Page Notice