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If this occurs, do not use the computer for at least one hour. . Check that you are using the supplied Sony power cord. For your safety, use only the genuine Sony power cord, which is supplied by Sony for your VAIO computer. . Make sure your computer is not in Sleep mode by pressing the power button on the computer or the sleep button on the wireless keyboard or the remote commander (if supplied). If you press and hold the power button for more than four seconds, your computer will turn off automatically. Troubleshooting > Computer Operations n120 N What should I do if the green power indicator light turns on but my screen remains blank? . If the orange DISPLAY OFF indicator light is lit, press the DISPLAY OFF button. . Make sure the computer input is selected as the audio/video input source. To change the display input, press the INPUT SELECT button on the computer or the remote commander (if supplied). . Press the Alt+F4 keys several times to close the application window. An application error may have occurred. . Press the Ctrl+Alt+Delete keys and click the arrow next to the Shut down button and Restart. . Press and hold the power button for more than four seconds to shut down your computer. Unplug the power cord and leave the computer for about five minutes. Then, plug the power cord and turn on the computer again. ! Make sure that the batteries of your wireless keyboard and remote commander (if supplied) are properly installed and not running out of power. Turning off your computer with the Ctrl+Alt+Delete keys or the power button may cause loss of unsaved data. Troubleshooting > Computer Operations n121 N What should I do if my computer or software stops responding? . If your computer stops responding while a software application is running, press the Alt+F4 keys to close the application window. . If the Alt+F4 keys do not work, click Start and the Shut down button to turn off your computer. . If your computer does not turn off, press the Ctrl+Alt+Delete keys and click the Shut down button. If the Windows Security window appears, click Shut Down. . If this procedure does not work, press and hold the power button until the computer turns off. ! Turning off your computer with the Ctrl+Alt+Delete keys or the power button may cause loss of unsaved data. . Unplug the power cord. Wait three to five minutes. Plug the power cord again and press the power button to turn on your computer. . Try reinstalling the software. . Contact the software publisher or designated provider for technical support. Troubleshooting > Computer Operations n122 N Why doesn't my computer enter Sleep mode? Your computer may become unstable if the operating mode is changed before the computer completely enters Sleep mode. To restore your computer to normal mode 1 Close all open programs. 2 Click Start, the arrow next to the Shut down button, and Restart. 3 If your computer does not restart, press the Ctrl+Alt+Delete keys and click the arrow next to the Shut down button and Restart. 4 If this procedure does not work, press and hold the power button until the computer turns 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 seconds to check that the power indicator light turns off. Wait for 10 to 15 seconds, then restart your computer and enter the correct password. The password is case sensitive, so be sure to check letters for the current case before you enter the password. What should I do if my game software does not work or it keeps crashing? . Check the web site of the game if there are any patches or updates to download. . Make sure you have installed the latest video driver software. . On some VAIO models, the graphics memory is shared with the system. The optimal graphic performance in such a case is not guaranteed. Troubleshooting > Computer Operations n123 N Why doesn't my screen turn off after the automatic turn-off time has passed? Some software applications or screen savers are designed to temporarily disable the feature of your operating system that turns off the computer screen or places the computer into Sleep mode after a certain period of inactivity. To solve this problem, exit the running software application(s) or change the current screen saver. How can I change the boot device order? You can use one of the BIOS functions to change the boot device order. Follow these steps: 1 Turn on your computer. 2 Press the F2 key when the VAIO logo appears. The BIOS setup screen appears. If the screen does not appear, restart the computer and press the F2 key several times when the VAIO logo appears. 3 Press the < or , key to select Boot. 4 Press the M or m key to select your ...
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