For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:ģ22756 How to back up and restore the registry in WindowsĬlick Start, type regedit in the Start Search box or the Serach programs and files box, and then press ENTER. Then, you can restore the registry if a problem occurs. For added protection, back up the registry before you modify it. Therefore, make sure that you follow these steps carefully. However, serious problems might occur if you modify the registry incorrectly. Important This section, method, or task contains steps that tell you how to modify the registry. Note You may have to reapply this workaround after you restart the computer if the icons still do not appear in the notification area. You can make the icons reappear by deleting two subkeys from the registry. If CPU usage is less than 15 percent, the service initializations are probably completed, and you can shut down or restart the computer. You can also check CPU usage on the Performance tab in Windows Task Manager. If the hard disk drive light blinks intermittently instead of being solidly lit, these service initializations might be finished. Note You can determine whether these service initializations are finished by observing the hard disk light activity (if your computer has this feature). This issue typically will not recur after the operating system has finished initializing all the background services before it is restarted. Make sure that you give the operating system sufficient time to finish these startup service initializations before you shut down or restart the computer.
When you first start a new computer, the operating system typically runs startup service initializations that may take from one to six hours to finish, depending on which applications are preloaded on the computer. If you gave your computer enough time to finish the startup service initializations before you restarted it, and one or more of the system icons still do not appear in the notification area after the restart, you can make them reappear by deleting two subkeys from the registry. You can access these features by using Control Panel. However, the network, volume, and power features function correctly even though their associated icons do not appear in the notification area. You may also notice that the check boxes for the related system icons are not selected on the Notification Area tab of the Taskbar and Start Menu Properties dialog box. When you start a computer that is running Windows Vista or Windows 7 for the first time, one or more of the following icons do not appear in the notification area in the lower-right corner of the screen.
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