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Resumen del manual
Although BLUETOOTH devices use the technology to minimize radio interference from other devices that use the same band, such radio interference may cause slower communication speeds and shorter distances or communication failures. . If a version of a BLUETOOTH standard employed on the BLUETOOTH device with which you want to communicate is not the same version as the one employed on your computer, the communication speed becomes slower. Can I use a device with BLUETOOTH technology on airplanes? With BLUETOOTH technology, your computer transmits a radio frequency of 2.4 GHz. Sensitive locations, such as hospitals and airplanes, may have restrictions on use of BLUETOOTH devices to avoid radio interference. Check with facility staff to see if use of the BLUETOOTH function on the computer is permitted. Troubleshooting > BLUETOOTH Technology n183 N Why can't I use the BLUETOOTH function when I log onto my computer as a user with a standard user account? The BLUETOOTH function may not be available to a user with a standard user account on your computer. Log onto the computer as a user with administrative rights. Why can't I use the BLUETOOTH devices when I switch users? If you switch users without logging off your system, the BLUETOOTH devices will not work. Be sure to log off before switching users. To log off your system, click Start, the arrow next to the Shut down button, and Log off. Why can't I exchange business card data with a mobile phone? The business card exchange function is not supported. What should I do if the BLUETOOTH icon is not displayed on the taskbar? . Make sure that the switch next to BLUETOOTH is set to On in the VAIO Smart Network window. . To display the BLUETOOTH icon on the taskbar, follow these steps: 1 Click Start and Devices and Printers. 2 Right-click the BLUETOOTH device icon and click Bluetooth settings. 3 Click the Options tab and select the Show the Bluetooth icon in the notification area check box. Troubleshooting > Optical Discs n184 N Optical Discs Why does my computer freeze when I try to read a disc? The disc that your computer is trying to read may be dirty or damaged. Follow these steps: 1 Press the Ctrl+Alt+Delete keys and click the arrow next to the Shut down button and Restart to restart the computer. ! Turning off your computer with the Ctrl+Alt+Delete keys may cause loss of unsaved data. 2 Remove the disc from the optical disc drive. 3 Check the disc for dirt or damage. If you need to clean the disc, see Discs (page 146) for instructions. What should I do if the drive tray does not open? . Make sure your computer is in Normal mode. . Press the drive eject button. . The optical disc drive on your computer may have been disabled in the BIOS setup screen. Follow the steps in Disabling Built-in Devices (page 133) to enable the drive. . If the drive eject button does not work, click Start and Computer, right-click the optical disc drive icon, and select Eject. . If none of the above options work, insert a thin, straight object (such as a paper clip) into the manual eject hole on the optical disc drive. . Try restarting your computer. Troubleshooting > Optical Discs n185 N What should I do if I cannot play a disc properly on my computer? . Make sure the disc is inserted into the optical disc drive with the label facing upward. . Make sure the necessary program(s) is installed according to the manufacturer's instructions. . Blu-ray Disc playback on a connected external display may be interrupted, depending on the type or bit rate of the video. You may be able to solve this problem by lowering the screen resolution of the display. Follow the steps in Why doesn't my screen display a video? (page 192) to change the screen resolution. . If a disc is dirty or damaged, your computer will stop responding. Follow these steps: 1 Press the Ctrl+Alt+Delete keys and click the arrow next to the Shut down button and Restart to restart the computer. ! Turning off your computer with the Ctrl+Alt+Delete keys may cause loss of unsaved data. 2 Remove the disc from the optical disc drive. 3 Check the disc for dirt or damage. If you need to clean the disc, see Discs (page 146) for instructions. . If you are playing a disc and cannot hear sound, do any of the following: . The volume may have been turned off by the Fn+F2 keys. Press them once again. . The volume may have been minimized by the Fn+F3 keys. Keep pressing the Fn+F4 keys to turn up the volume loud enough to hear sound. . Right-click the volume icon on the taskbar and click Open Volume Mixer to check the settings. . Check the volume setting in the audio mixer. . If you are using external speakers, check the volume settings on the speakers and the connections between the speakers and your computer. Troubleshooting > Optical Discs n186 N . Make sure the correct driver software is installed. Follow these steps: 1 Click Start and Control Panel. 2 Click System and Security. 3 Click System. 4 Click Device Manager in the left pane. The Device...
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