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5 Click OK. This disables the bidirectional communication functions of the printer, such as data transfer, status monitoring, and remote panel. When your printer is connected to the optional docking station, check to see if the docking station is connected to an AC power source. Troubleshooting > Microphone n186 N 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. 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. Troubleshooting > Speakers n187 N Speakers What should I do if I do not hear sound from the built-in speakers? . 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. . 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. . Check the Windows volume controls by clicking the volume icon on the taskbar. What should I do if my external speakers do not work? . Check the suggestions in What should I do if I do not hear sound from the built-in speakers? (page 187). . Make sure your speakers are properly connected and the volume is turned up loud enough to hear sound. . Make sure your speakers are designed for computer use. . If your speakers have a muting button, set the button to off. . If your speakers require external power, make sure the speakers are connected to a power source. See the manual that came with your speakers for more information. Troubleshooting > Touch Pad n188 N Touch Pad What should I do if the touch pad does not work? . You may have disabled the touch pad before connecting a mouse to your computer. See Using the Touch Pad (page 33). . Make sure that a mouse is not connected to your computer. . 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, press the Enter key, select 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 Ctrl+Alt+Delete keys or the power button may cause loss of unsaved data. Troubleshooting > Keyboard n189 N Keyboard What should I do if the keyboard configuration is wrong? The language layout of your computer's keyboard is labeled on the packaging box. If you choose a different regional keyboard when you complete the Windows setup, the key configuration will be mismatched. To change the keyboard configuration, follow these steps: 1 Click Start and Control Panel. 2 Click Clock, Language, and Region, and then Change keyboards or other input methods under Region and Language. 3 Click Change keyboards on the Keyboards and Languages tab. 4 Change the settings as desired. What should I do if I cannot enter certain characters with the keyboard? If you cannot enter U, I, O, P, J, K, L, M, and so on, the Num Lk key may be activated. Check that the Num lock indicator light is unlit. If the Num lock indicator is lit, press the Num Lk key to turn it off before entering these characters. Troubleshooting > Floppy Disks n190 N Floppy Disks Why doesn't the Safely Remove Hardware icon appear on the taskbar when the drive is connected? Your computer does not recognize the floppy disk drive. First, make sure the USB cable is properly connected to the USB port. If you need to secure the connection, wait a few moments for the computer to recognize the drive. If the icon still does not appear, follow these steps: 1 Close all programs that are accessing the floppy disk drive. 2 Wait until the indicator light on the floppy disk drive turns off. 3 Push the eject button to remove the disk, and unplug the USB floppy disk drive from your computer. 4 Reconnect the floppy disk drive by plugging the USB cable into the USB port. 5 Restart the computer by clicking Start, the arrow next to the Shut down button, and Restart. What should I do if I cannot write data to a floppy disk? . Make sure the floppy disk is properly inserted in the drive. . If the disk is inserted properly and you are still unable to write data to it, the disk may be full or write-protected. You can either use a floppy disk that is not writ...
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