Évaluations - 2, GPA: 4.5
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Ordinateurs portables - VGN-BZ2 (1.4 mb)
Ordinateurs portables - VGN-BZ2 (444.03 kb)
Facilité d'utilisation
1 Connect to the Internet. 2 Double-click the Windows Security Alerts icon on the taskbar. 3 Follow the on-screen instructions to set up automatic or scheduled updates. How do I keep my antivirus software updated? You can keep the McAfee software program current with the latest updates from McAfee, Inc. To download and install the latest security updates, follow these steps: ! Your computer must be connected to the Internet to download the updates. 1 Click Start, All Programs, McAfee, and McAfee SecurityCenter. 2 Click the button located at the upper left corner of the window to update the software. 3 Follow the on-screen instructions to download updates. See the help file included with your software program for more information. Troubleshooting > Battery n167 N Battery How do I find the battery charging status? You can check the charge indicator for the battery charging status. See Charging the Battery Pack (page 22) for more information. When is my computer using AC power? When your computer is directly connected to the AC adapter, it uses AC power, even if the battery pack is installed. When should I recharge the battery pack? . When the battery charge level falls below 10%. . When both the charge and power indicator lights blink. . When you have not used the battery pack for a long period of time. When should I replace the battery pack? If the battery pack quickly runs out of power after fully charged, it may be reaching the end of its life and should be replaced. To check the battery charge capacity, see To check the battery charge capacity (page 24). Troubleshooting > Battery n168 N Should I be concerned that the installed battery pack is warm? No, it is normal for the battery pack to be warm when it is powering your computer. Can my computer enter Hibernate mode while using battery power? Your computer can enter Hibernate mode while using battery power, but some software programs and peripheral devices prevent the system from entering Hibernate mode. 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 126) for information on how you can manually activate Hibernate mode. Troubleshooting > Built-in Camera n169 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, if you view 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 Handling the Built-in Camera (page 149). 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 n170 N What should I do if movie playback shows dropped frames when my computer is running on the battery? The battery pack is running out of power. Connect your computer to an AC power source. What should I do if captured images flicker? This problem occurs when you use the camera under fluorescent lights due to the mismatch between lighting output frequency and 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 123). Troubleshooting > Internet n171 N Internet What should I do if my modem does not work? . Make sure the telephone cable is securely plugged into the modem port on your computer and the wall jack. . Make sure the telephone cable is working. Plug the cable into an ordinary telephone and listen for a dial tone....
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