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Фрагмент инструкции
. Connection availability is affected by distance and obstructions. You may need to move your computer away from obstructions or neared to any Access Point you may be using. * See the printed Specifications sheet to see whether your model is equipped with the Bluetooth functionality. 154 154 nN Troubleshooting The data transfer speed is slow . The maximum communication speed can vary depending on the obstacles or the distance between the communication devices, the radio waves, the operating system or the software you use. Remove the obstacle or make the distance between the Access Point and your machine smaller. . It is possible that your Access Point communicates at the same time with another Access Point. Read the manual of the Access Point. . If several computers communicate with the same Access Point, the concentration may be too high. Wait a few minutes and try to access again. . If a Wireless LAN device using the IEEE802.11g standard communicates with a device using the IEEE802.11b standard, then it is normal that the speed reduces. Devices using the IEEE802.11g standard are 5 times faster than the ones using the IEEE802.11b standard. I cannot access the Internet . Check the settings of the Access Point. See the manual of the Access Point. . Check if your computer and the Access Point are communicating. . Make the distance between the Access Point and your machine smaller. 155 155 nN Troubleshooting I cannot use a Wireless LAN network Check if the Wireless Zero Configuration service is active. To check the status of the Wireless Zero Configuration service 1 Click Start and then Control Panel. The Control Panel window appears. 2 Click the Performance and Maintenance icon. 3 Click the Administrative Tools icon. 4 Double-click the Services icon. The Services window appears. 5 Check Status and Startup Type for Wireless Zero Configuration. When Started and Automatic are shown under Status and Startup Type, respectively, the Wireless Zero Configuration service is active. To activate the Wireless Zero Configuration service 1 On the Services window, right-click Wireless Zero Configuration and click Properties. The Wireless Zero Configuration Properties window appears. 2 Select Automatic for Startup type and click Apply. 3 Click Start under Service status. 4 Click OK to close the window. 156 156 nN Troubleshooting Troubleshooting Power Management The power management setting is not responding Your computer's operating system may become unstable if a lower power state, such as Hibernate is initiated, and then changed before the computer completely enters the lower power state. To restore the computer to its normal operating stability 1 Close all open applications. 2 Press the Ctrl+Alt+Delete keys simultaneously and select Restart from the shut down menu drop-down list. The computer restarts. 3 If the procedure does not work, press and hold the power button for four seconds or longer to shut down the computer. 157 157 nN Troubleshooting Troubleshooting External Displays I cannot use the Plug and Display function Depending on the external display or the way it is connected, the Plug and Display function may not be available. Use the Fn+F7 keys to select the output destination. I cannot display contents on two or more displays at the same time You cannot display contents on multiple external displays at the same time. Select one of the external displays. 158 158 nN Troubleshooting Troubleshooting Sound (Speaker) My speakers are not producing sound . The built-in speakers may be turned off. Press the Fn+F2 keys or the S1 button (default assignment) to turn on the speakers. . The speaker volume may be turned to the minimum. Press the Fn+F4 keys and then the M or , key, or keep pressing the Fn+F4 keys to increase the volume. . If you use external speakers, check that the speakers are properly connected and the volume is turned up. If the speakers have a mute button, make sure it is off. If batteries power the speakers, check that the batteries are inserted properly and that they are charged. . If you have connected an audio cable to the headphones jack, disconnect the cable. . If your computer is powered by battery, check that the battery pack is properly installed and charged. . If you are using an application that has its own volume control, check that the volume is turned up. . Check the volume controls in Windows. 159 159 nN Troubleshooting Troubleshooting Sound (Microphone) My microphone does not work If you are using an external microphone, check that the microphone is plugged into the microphone jack correctly. My microphone volume is too high or too low Proceed as follows to adjust the volume. 1 Click Start and then Control Panel. The Control Panel window appears. 2 Click Sounds, Speech, and Audio Devices and then Sounds and Audio Devices. 3 Click Volume under Sound recording on the Audio tab. 4 See if the Select check box for Microphone Balance is selected. If not, click the check box. 5 Move the slider up o...
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