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A message informs you that the selected network is not secure. 4 5 Click Connect Anyway The Windows® operating system will now try to establish a wireless connection. The Windows® operating system wireless management facility does not work. If you are using an external Wi-Fi® adapter (a PC Card, USB adapter, or other variety), check if the adapter comes with its own management utility. If it does, the utility may be disabling the Windows® operating system wireless management facility, in which case you must use the adapter's management utility. If the documentation that accompanies the adapter does not provide enough information to determine if this is the case, contact that vendor's support group for further advice. DVD operating problems If you experience a problem playing DVDs, you may be able to fix the problem yourself. For general problems playing a DVD title, try the following steps: 1 Verify that the disc is in a format that the drive supports. 2 Ensure that the disc is properly inserted in the drive tray. 3 Clean the disc and try again. A dirty drive can also cause audio problems. If you have tried several discs and all fail, consider sending your drive to an authorized service provider to get it cleaned. 4 Verify that your computer recognizes your optical drive by clicking Start, and then Computer. The optical drive should appear in the list. 5 See “Checking device properties” on page 180 for instructions on using Device Manager to view the optical drive properties. 6 Check the Toshiba Web site for new information on optical drives and their operation. If Something Goes Wrong 195 Develop good computing habits A blank screen appears while watching a DVD-ROM movie or title. Change the Turn off Display feature in the Display Properties using the following steps: 1 Right-click in a blank area of the Windows® desktop. 2 Click Personalize. 3 Click Screen Saver, Change power settings and then Change plan settings for the power plan you are using. 4 Change the Turn off the display setting for the power mode you are using. 5 Click Save changes. 6 Close the three windows you opened. The screen saver runs while you are watching a movie or title. If the screen saver is enabled, it runs on top of any movie or title you are watching. To disable the screen saver: 1 Right-click on the desktop and select Personalize from the menu. 2 Select None for the screensaver. 3 Click OK. Develop good computing habits Save your work frequently. You can never predict when your computer will lock, forcing you to close a program and lose unsaved changes. Many software programs build in an automatic backup, but you should not rely solely on this feature. Save your work! See “Computing tips” on page 84 for instructions. On a regular basis, back up the information stored on your hard disk. Use Windows® to back up files, or the entire computer, to a CD, DVD, or external hard disk. Here are some ways you can do this: . Use...

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