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manual abstract
. There may be more software applications running than your computer can handle. Exit the applications that you are not currently using. . This problem may occur while your computer is running on the power saving plan, which reduces the CPU performance. See Selecting a Power Plan (page 101) to check the current power plan. What should I do if movie playback shows dropped frames while my computer is running on battery power? The battery pack is running out of power. Connect your computer to an AC outlet. What should I do if captured images flicker? This problem occurs when you use the camera under fluorescent lights due to a mismatch between the lighting output frequency and the shutter speed. To reduce flicker noise, change the direction of the camera or the brightness of camera images. In some software applications, you can set an appropriate value to one of the camera properties (e.g. light source, flicker, etc.) to eliminate flicker noise. Troubleshooting > Networking (LAN/Wireless LAN) n137 N Networking (LAN/Wireless LAN) What should I do if the VAIO Smart Network icon is not displayed on the taskbar? . Click on the taskbar and check if the VAIO Smart Network icon is displayed. . If the VAIO Smart Network icon is not on the taskbar, click Start, All Programs, and VAIO Smart Network, and then change the setting to display the icon on the taskbar. Troubleshooting > Networking (LAN/Wireless LAN) n138 N What should I do if my computer cannot connect to a wireless LAN access point? . Connection capability is affected by distance and obstructions. You may need to move your computer away from obstructions or closer to any access point you may be using. . Make sure the WIRELESS switch is on and the WIRELESS indicator light is lit on your computer. . Make sure power to the access point is on. . Follow these steps to check the settings: 1 Click Start and Control Panel. 2 Click View network status and tasks under Network and Internet. 3 Click Connect to a network to confirm that your access point is selected. . Make sure the encryption key is correct. . Make sure Maximum Performance is selected for Wireless Adapter Settings in the Power Options window. Selecting any other option may result in a communication failure. To change the settings, follow these steps: 1 Click Start and Control Panel. 2 Click System and Security and Power Options. 3 Click Change plan settings for the current power plan. 4 Click Change advanced power settings. 5 Double-click Wireless Adapter Settings and Power Saving Mode. 6 Select Maximum Performance from the drop-down list. Troubleshooting > Networking (LAN/Wireless LAN) n139 N What should I do if I cannot access the Internet? . Check the access point settings. See the manual that came with your access point for more information. . Make sure your computer and the access point are connected to one another. . Move your computer away from obstacles or closer to any access point you may be using. . Make sure your computer is properly configured for Internet access. . Make sure Maximum Performance is selected for Wireless Adapter Settings in the Power Options window. Selecting any other option may result in a communication failure. Follow the steps in What should I do if my computer cannot connect to a wireless LAN access point? (page 138) to change the settings. Why is the data transfer speed slow? . The wireless LAN data transfer speed is affected by distance and obstructions between devices and access points. Other factors include device configurations, radio conditions, and software compatibility. To maximize the data transfer speed, move your computer away from obstacles or closer to any access point you may be using. . If you are using a wireless LAN access point, the device may be temporarily overloaded depending on how many other devices are communicating via the access point. . If your access point interferes with other access points, change the access point channel. See the manual that came with your access point for more information. . Make sure Maximum Performance is selected for Wireless Adapter Settings in the Power Options window. Selecting any other option may result in a communication failure. Follow the steps in What should I do if my computer cannot connect to a wireless LAN access point? (page 138) to change the settings. Troubleshooting > Networking (LAN/Wireless LAN) n140 N How do I avoid data transfer interruptions? . While your computer is connected to an access point, data transfer interruptions may occur if a large file is exchanged or the computer is placed in close proximity to microwaves and cordless telephones. . Move your computer closer to the access point. . Make sure the access point connection is intact. . Change the access point channel. See the manual that came with your access point for more information. . Make sure Maximum Performance is selected for Wireless Adapter Settings in the Power Options window. Selecting any other option may result in a communic...
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