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Anleitung Zusammenfassung
4 Select the Advanced settings tab. 5 Double-click Display. 6 Adjust the LCD brightness setting in the item for brightness adjustment. 152nNTroubleshooting . On models with an ATI video controller, you may find your computer screen temporarily goes blank: . When you connect or disconnect the AC adapter . Immediately after you start the computer with battery power To save your preference for the brightness, follow these steps: 1 Click Start and Control Panel. 2 Click Hardware and Sound. 3 Click Change when the computer sleeps under Power Options. 4 Click Change advanced power settings. 5 Scroll down the list and double-click ATI Graphics Power Settings. 6 Double-click ATI PowerPlay Settings. 7 Change the current option for On battery to Maximum Performance. 8 Click OK. 153nNTroubleshooting What should I do if the external display remains blank? If you cannot change the display output with the Fn+F7 keys, you need to change the settings for the external display with the VAIO Control Center. To change the settings, launch the VAIO Control Center, select the control item for the external display, and then click to select the check box for changing the options to detect the external display. Then, use the Fn+F7 keys to change the display output. How do I run Windows Aero? ! This Q & A entry applies to selected models only. To run Windows Aero, follow these steps: 1 Click Start and Control Panel. 2 Click Customize colors under Appearance and Personalization. 3 Click Open classic appearance properties for more color options. 4 Select Windows Aero from the Color scheme options on the Appearance tab. 5 Click OK. For information about the Windows Aero features, such as Windows Flip 3D, see Windows Help and Support. 154nNTroubleshooting Printing What should I do if I cannot print a document? . Make sure your printer is on, and the printer cable is securely connected to the ports on the printer and your computer. . Make sure your printer is compatible with the Windows operating system installed on your computer. . You may need to install the printer driver software before you use your printer. See the manual that came with your printer for more information. . If your printer is not functioning after your computer resumes from a power saving mode (Sleep or Hibernate), then restart the computer. . If the bidirectional communication functions are provided with your printer, disabling the functions on your computer may enable printing. Follow these steps: 1 Click Start and Control Panel. 2 Click Printer under Hardware and Sound. 3 Right-click the printer icon and select Properties. 4 Click the Ports tab. 5 Click to cancel the Enable bidirectional support check box. 6 Click OK. This disables the bidirectional communication functions of the printer, such as data transfer, status monitoring, and remote panel. 155nNTroubleshooting Microphone What should I do if my microphone does not work? . If you are using an external microphone, make sure the microphone is turned on and is properly plugged into the microphone jack on your computer. . Your sound input device may have been incorrectly configured. To configure the sound input device, follow these steps: 1 Close all open programs. 2 Click Start and Control Panel. 3 Click Hardware and Sound. 4 Click Manage audio devices under Sound. 5 On the Recording tab, select the desired device for sound input and click Set Default. How can I prevent microphone feedback? Microphone feedback occurs when the microphone receives the sound from a sound output device, such as a speaker. To prevent this problem: . Keep the microphone away from a sound output device. . Turn down the volume of the speakers and the microphone. 156nNTroubleshooting Mouse What should I do if my computer does not recognize my mouse? . Make sure your mouse is securely plugged into the port. . Restart your computer with your mouse connected. What should I do if the pointer does not move when I use my mouse? . Make sure another mouse is not connected. . If the pointer does not move while a software application is running, press the Alt+F4 keys to close the application window. . If the Alt+F4 keys do not work, press the Windows key once and then the , key several times, select Restart with the M or m key, and press the Enter key to restart your computer. . If your computer does not restart, press the Ctrl+Alt+Delete keys, select the arrow next to the Shut down button with the m and , keys and then Restart with the M or m key, and press the Enter key to restart your computer. . If this procedure does not work, press and hold the power button until the computer turns off. ! Turning off your computer with the power button may cause loss of unsaved data. 157nNTroubleshooting Speakers What should I do if my external speakers do not work? . If you are using a program that has its own volume control, make sure the volume control is properly set. See the program's help file for more information. . Make sure your speakers are proper...
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