Win 7 Problem: Power icon from the task bar is missing

Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. 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:
http://support.microsoft.com/kb/322756/ – How to back up and restore the registry in Windows

1. Click Start.
   In the Start Search field, type regedit.exe and then press Enter.

If you are prompted for an administrator password or for confirmation, type the password, or click YES.

2. Locate and then click the following registry sub key:

HKEY_CURRENT_USER\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\TrayNotify

3. In the Details pane, click the IconStreams registry entry.
4. On the Edit menu, click Delete, and then click Yes.
5. In the Details pane, click the PastIconsStream registry entry.
6. On the Edit menu, click Delete, and then click Yes.
7. Exit Registry Editor.
8. Restart the Explorer.exe process. To do these, follow these steps:
   1. Press CTRL+SHIFT+ESC.
   2. On the Processes tab in Task Manager, click the explorer.exe process, and then click End Process two times.
   3. On the File menu, click New Tasks (Run), type explorer, and then click OK.
   4. Exit Task Manager.
9. Once Explorer.exe has restarted, right click on the clock and choose “Customize Notification Icons”.
10. Ensure that Power is set to “Show icon and notifications”.
11. Click on “Turn system icons on or off”
12. Ensure that Power is set to “On”.

Click on OK and close the Control Panel.

 

 

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