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manual abstract
If you are using a program that prevents the system from entering Hibernate mode, save your data frequently to avoid losing data. See Using Hibernate Mode (page 27) for information on how you can manually activate Hibernate mode. Troubleshooting > Built-in Camera n139 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. . 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 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. . If the lens protection cover is dirty, you cannot take a clear shot. Clean the cover. See Built-in Camera (page 116). 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. . The power management function of your computer may be active. Check the CPU performance. Troubleshooting > Built-in Camera n140 N 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. 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. What should I do if my computer becomes unstable when it enters a power saving mode while the built-in camera is in use? If your computer automatically enters Sleep or Hibernate mode, change the corresponding power saving mode setting. To change the setting, see Using the Power Saving Modes (page 26). Troubleshooting > Networking n141 N Networking 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 n142 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 Right-click the power status icon on the taskbar and select Power Options. 2 Click Change plan settings. 3 Click Change advanced power settings. 4 Select the Advanced settings tab. 5 Double-click Wireless Adapter Settings and Power Saving Mode. 6 Select Maximum Performance from the drop-down list both for On battery and Plugged in. Troubleshooting > Networking n143 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 ...
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