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manual abstract
Make sure the brightness and contrast controls are adjusted correctly. See the manual that came with your display for more information. . 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. . Make sure the LCD backlight of your computer is turned on. To turn on the LCD backlight, see Using Special-function Buttons (page 33). . 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 n120 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 33). . 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 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 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 n122 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 after performing the above, it means the installed battery pack is not compatible. Remove the battery pack and contact VAIO-Link. Troubleshooting > Computer n123 N What should I do if a message appears notifying of either incompatibility or the improper installation of the battery pack and my computer then enters Hibernate mode? . 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...
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