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Troubleshooting > Built-in Camera n173 N Built-in Camera Why does the viewfinder show no images or poor-quality images? . The built-in camera cannot be shared by more than one software application. Exit the current application before launching another. On models with Media Gallery, you cannot use another camera application that uses the built-in camera while using the gesture function of Media Gallery. . The viewfinder may show some noise, for example horizontal streaks, when you are viewing a rapid-moving object. This is normal and does not indicate a malfunction. . If the problem persists, restart your computer. Why is the video input from the built-in camera suspended for a few seconds? The video input may be suspended for a few seconds if: . a shortcut key with the Fn key is used. . the CPU load increases. This is normal and does not indicate a malfunction. Why are captured images poor in quality? . The images captured under the fluorescent light may show reflections of light. . A dark portion in captured images may appear as a noise. . The area on and around the built-in camera is dirty. Clean the area. See Care and Maintenance Information (page 145). Troubleshooting > Built-in Camera n174 N What should I do if captured images contain dropped frames and audio interruptions? . The effect settings on your software application may cause dropped frames. See the help file included with your software application for more information. . 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 130) 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) n175 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. 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. . If you want to connect your computer to a wireless LAN access point using the 5 GHz band, make sure the option to use the 5 GHz band or both the 2.4 GHz and 5 GHz bands is selected for Wireless LAN Settings in the VAIO Smart Network settings window. Wireless LAN communication (IEEE 802.11a standard) using only the 5 GHz band, available on selected models only, is disabled by default. . 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. Troubleshooting > Networking (LAN/Wireless LAN) n176 N . 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. . If you have disabled the wireless LAN function in the BIOS setup screen, you cannot connect to wireless access points. To enable the function, follow the steps in Disabling Built-in Devices (page 131). 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 co...
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