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. 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 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 20). . If the problem persists, it means the installed battery pack is not compatible. Remove the battery pack and contact VAIO- Link. Troubleshooting > Computer Operations n123 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 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. 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. Troubleshooting > Computer Operations n124 N 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 the drive whose boot device order you want to change. 5 Press the F5 or F6 key to change the boot device order. 6 Press the < or , key to select Exit, select Exit Setup, and then press the Enter key. At the confirmation prompt, press the Enter key. What should I do if I cannot boot my computer from the external device connected to the computer? To boot your computer from an external device, for example a USB floppy disk drive or a USB/i.LINK optical disc drive, you need to change the boot device. To change the boot device, turn on your computer and press the F11 key when the VAIO logo appears. ! When using a USB/i.LINK optical disc drive, be sure to connect it to an AC power source in advance. Troubleshooting > System Update / Security n125 N System Update / Security How can I find important updates for my computer? You can find and install the latest upda...

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