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Wait three to five minutes. Reinstall the battery pack, plug the AC adapter, and then press the power button to turn on your computer. . Make sure the LCD backlight of your computer is turned on. To turn on the LCD backlight, see Using Special-function Buttons (page 36). . Condensation may cause your computer to malfunction. If this occurs, do not use the computer for at least one hour. . Check that you are using the supplied Sony AC adapter. For your safety, use only the genuine Sony rechargeable battery pack and AC adapter, which are supplied by Sony for your VAIO computer. Troubleshooting > Computer Operations n124 N What should I do if the green power indicator light turns on but my screen remains blank? . Make sure the LCD backlight of your computer is turned on. To turn on the LCD backlight, see Using Special-function Buttons (page 36). . Press the Alt+F4 keys several times to close the application window. An application error may have occurred. . If the Alt+F4 keys do not work, click Start, the arrow next to the Shut down button, and Restart to restart your computer. . If your computer does not restart, press the Ctrl+Alt+Delete keys and click the arrow next to the Shut down button and Restart. If the Windows Security window appears, click Restart. . If this procedure does not work, press and hold the power button for more than four seconds to shut down your computer. Unplug the AC adapter and leave the computer for about five minutes. Then plug the AC adapter and turn on the computer again. ! Turning off your computer with the Ctrl+Alt+Delete keys or the power button may cause loss of unsaved data. Troubleshooting > Computer Operations n125 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 AC adapter and remove the battery pack. Wait three to five minutes. Reinstall the battery pack, plug the AC adapter, and then 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 n126 N Why doesn't my computer enter Sleep or Hibernate mode? Your computer may become unstable if the operating mode is changed before the computer completely enters Sleep or Hibernate 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. If the Windows Security window appears, click 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 the charge indicator light is blinking fast and my computer does not start? . This problem could be due to the battery pack not being installed properly. To solve this problem, turn off your computer and remove the battery pack. Then reinstall the battery pack to the computer. For details, see Installing/Removing the Battery Pack (page 19). . If the problem persists, it means the installed battery pack is not compatible. Remove the battery pack and contact an authorized Sony service/support center. To find the nearest center or agent, see Finding More about Your VAIO Computer (page 5). Troubleshooting > Computer Operations n127 N Why does the System Properties window display a slower CPU speed than the maximum? This is normal. Because your computer's CPU utilizes a type of CPU speed controlling technology for power conservation purposes, System Properties may display the current CPU speed instead of the maximum speed. 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 ga...
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