valutazioni - 3, GPA: 4.3
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To save this preference for the brightness . To do the following procedure, you must have administrator rights on the computer. 1 Click Start and then Control Panel. 2 Click Performance and Maintenance. 3 Click Power Options. 4 Select the tab for power scheme settings. 5 Select the desired power scheme from the drop-down list. 6 On the VAIO Power Management tab, select No change for LCD Brightness. 7 Click OK. The preference for the brightness adjusted with the Fn+F5/F6 keys is saved and your screen brightness remains unchanged regardless of operating conditions. What should I do if the external display (or TV) does not display anything? If you change the log-on user with the Fast User Switching function after the computer started, you will not be able to select a display by pressing the Fn+F7 keys. 141141nN Troubleshooting Printing Why can't I print a document? . Make sure the printer is on, and the printer cable is securely connected to the ports on the printer and computer. . Make sure the printer is compatible with the Windows operating system installed on the computer. . You may need to install the printer driver software before you use the printer. See the manual that accompanied the printer for more information. . If the printer is not functioning after the computer resumes from a power saving mode (Standby or Hibernate), then restart the computer. . If the bidirectional communication functions are provided with your printer, disabling the functions on the computer may enable printing. Follow these steps: 1 Click Start and then Control Panel. 2 Click Printers and Other Hardware. 3 Click Printers and Faxes. 4 Right-click an unused printer and select Properties. 5 Click the Ports tab. 6 Click to cancel the Enable bidirectional support check box. 7 Click OK. This change to the settings disables the bidirectional communication functions of the printer, such as data transfer, status monitoring, and remote panel. When your printer is connected to the port replicator, check the port replicator to see if it is connected to an AC power source. 142142nN Troubleshooting Microphone Why doesn't my microphone work? If you are using an external microphone, make sure the microphone is turned on and is properly plugged into the Microphone jack on the computer. 143143nN Troubleshooting Mouse What should I do if the computer doesn't recognize the mouse? . Make sure the mouse is securely plugged into the port. . Restart the computer with the mouse connected to the computer. What should I do if the pointer doesn't move when I use the mouse? . Make sure another mouse is not installed. . If you are playing a disc, press the Ctrl+Alt+Delete keys simultaneously to stop playback and restart the computer. . If you still cannot use the pointer, restart the computer. . Press the Ctrl+Alt+Delete keys simultaneously. In the Windows Task Manager window, press the appropriate button and restart the computer. . Press and hold the power button. When the computer turns off, wait 10 to 15 seconds then press the power button again to restart the computer. . Avoid using radio-controlled toys or equipment, CB radios, and other wireless devices in the area near your wireless mouse. These devices may cause interference, causing your mouse to stop working properly. . Do not place metal furniture near the computer or wireless mouse, as this may create interference, causing your mouse to stop working properly. 144144nN Troubleshooting Speakers Why won't my speakers work? . Make sure the speakers are properly connected and the volume is turned up loud enough to hear sound. . Your speakers may not be designed for computer use. . If the speakers have a muting button, set the button to off. . If the speakers have a volume control, make sure the volume is turned up loud enough to hear sound. . If you have connected an audio cable to the Headphones jack, disconnect the cable and use the speaker cable that was supplied with the speakers. . If you are using battery power, make sure the battery is installed properly and is charged. . If the speakers require external power, make sure the speakers are connected to a power source. See the manual that came with the speakers for more information. Why can't I hear sound from my speakers? . If the computer is using battery power, make sure the battery is properly installed and is charged. . If you are using a program that has its own volume control, make sure the volume control is properly set. See that program's help file for more information. . The speaker volume may be turned off, the volume setting may be too low, or the audio option may be disabled. . Check the volume controls in Windows. 145145nN Troubleshooting Touch Pad What should I do if the touch pad does not work? . Try restarting the computer. Press the Ctrl+Alt+Delete keys simultaneously. In the Windows Task Manager window, press the appropriate button and restart the computer. . If the pointer does not move while playing a disc, press the Ctrl+A...
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