Scan your computer for viruses and malware. How to fix Volume, Clock, Power, Network icon missing (Grayed Out) problem on Windows Vista & Windows 7. In this tutorial you can find detailed instructions on how to fix the Volume, Network, Clock or Power icon disappeared & disabled problem on Windows 7 or Vista OS.
However, in some cases, when you try to re-enable notification icons using the taskbar properties, you realize that the corresponding checkboxes are not available (grayed out). The easy solution to fix the missing notification area icons is to restart your computer and if the same behavior still occurs after the restart, then you have to re-enable them from the taskbar properties. Problem description: One or more of the following tray icons Volume, Clock, Power or Network, are suddenly missing from System Tray and when you try to re-enable them from system tray settings, you notice that the corresponding check box for the related system icon is grayed out.
