Win7 Volume control icon into a gray solution

Inexplicably Win7 the lower right corner volume control icon is gone, you can emit sound, in the Control Panel adjustment System volume can adjust the volume, check the sound card driver is correct. In the system control icon, the volume of a column is gray (as shown below), can not be changed, how to do?

1. Open Program Manager (Ctrl+alt+delete)

2. Find "Explorer.exe" in the process, and then press the end process (the toolbar disappears at this point)

3. Then in the file (upper left corner of the program Manager), click on "New Task"

4. Then "Browse"

5. Find "Systray.exe" in the C:/windows/system32 folder and click "OK"

6. Once again, open the file, new task, play in the blank column: Explorer.exe, OK

7. The icon will be displayed.

Note: Sometimes the problem will still exist after the reboot, or can not find Systray,exe this file, in fact, a bug in the WIN7 SP0, if you really can not tolerate the phenomenon of the people who will be able to use the other version of the Win7 reinstall.

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