Fix for Notification Icons are Missing and Checkboxes are Grayed Out
You can solve all of these problems by looking in two separate places in the registry, and then deleting a bunch of keys in each location. We’ll detail all of the keys here, but you can skip down a bit for a downloadable registry hack file.
Open up regedit.exe through the start menu search or run box, and then browse down to the following key:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer
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If you see any of the following key names in the right-hand pane, delete them:
* NoTrayItemsDisplay
* HideClock
* HideSCAPower
* HideSCAVolume
* NoAutoTrayNotify
* HideSCANetwork
After deleting the values in that pane, browse to the following key and then repeat the process:
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer
You’ll have to logout and then back in, and then most likely go back into taskbar properties and re-check the boxes for each.
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