The final solution that worked after 6 months of Windows 10 was from the mfr. ASUS. After installing Win 10, we lost the touch screen on our ASUS T100TA. None of the solution presented from so many...

Do you have 3rd party power management software installed that may being used instead?

Yes, but I installed only after nothing else worked. And it still is greyed out.

Here's the snapshot
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Do you have all your drivers installed? yes

yes

NOTE: Power system icon greyed out

Found it, THANKS, but it's greyed out. WHY IS THAT?

I have a Asus Tablet. I upgraded from Windows 8 to Windows 10.
Where is the battery charge ICON for the task bar?
To many times the tablet died for lack of a warning that the battery was low. ...