Assessments - 4, GPA: 3.5
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Why can't I use the Bluetooth utility software when I switch a user? If you switch a user without logging off your system, the Bluetooth utility software will not work successfully. Be sure to log off before switching a user. To log off your system, click Start, the arrow next to the Lock button, and Log Off. 187187nN Troubleshooting 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. 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 On Handling Discs (page 156) for instructions. What should I do if the drive tray does not open? . Make sure your computer is on. . If power supply to the optical disc drive is disabled by VAIO Power Management, the substitute drive eject button on the optical disc drive will not work. Use the disc drive eject button located above the keyboard. Note that it will take a while to eject the drive tray if the optical disc drive is not powered. . If the disc drive eject button does not work, click Start and Computer. Right-click the optical disc drive icon, and select Eject from the shortcut menu. . If none of the above options work, insert a thin, straight object (such as a paper clip) in the manual eject hole near the substitute drive eject button. . Try restarting your computer. 188188nN Troubleshooting 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. . 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. 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 On Handling Discs (page 156) for instructions. . If you are playing a disc and cannot hear sound, do any of the following: . Check if the volume is turned off or minimized by the Fn+F2 or Fn+F3 buttons, respectively. . 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. . Make sure the correct driver software is installed. Follow these steps: 1 Click Start and Control Panel. 2 Click System and Maintenance. 3 Click System. 4 Click Device Manager on the left pane. The Device Manager window appears with a listing of your computer's hardware devices. If an "X" or an exclamation point appears on the listed device, you may need to enable the device or reinstall the drivers. 5 Double-click the optical disc drive device to open a list of the optical disc drives of your computer. 189189nN Troubleshooting 6 Double-click the desired drive. You can confirm the driver software by selecting the Driver tab, and clicking Driver Details. 7 Click OK to close the window. . Make sure an adhesive label is not affixed to a disc. Adhesive labels can come off while the disc is in the optical disc drive and damage the drive or cause it to malfunction. . If a region code warning appears, the disc may be incompatible with the optical disc drive. Check the DVD package to make sure the region code is compatible with the optical disc drive. . If you notice condensation on your computer, do not use the computer for at least one hour. Condensation can cause the computer to malfunction. . Make sure your computer is running on AC power supply and try the disc again. 190190nN Troubleshooting What should I do if I cannot write data to CD media? . Make sure you neither launch any software application nor allow any to launch automatically, not even a screen saver. . Stop using the keyboard. . If you are using a CD-R/RW disc with an adhesive label affixed, replace it with one with no affixed adhesive label. Using a disc with an affixed adhesive label could cause a write error or other damage. What should I do if I cannot write data to DVD media? . Make sure you are using the correct DVD recordable media. . Check which DVD recordable format is compatible with your optical disc drive. Note the possibility that some brands of DVD recordable media do not work. What should I do if I cannot use the optical disc drive after unplugging USB Mass Storage Device in the Safely Remove Hardware window? The optical disc drive will be disabled if you unplug USB Mass Storage Device in the Safely Remove Hardware window. To enable the optical disc drive again, do either of the following: . Right-click the optical disc drive icon on the taskbar and select...
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