Windows 10: how do i power cycle my RCA 12.2" Windows 10 2-in-1 Tablet ?

I currently can not turn on my RCA 12.2" Windows 10 2-in-1 Tablet . ive had it plugged in for hours, the blue charging light is on. i have tried press and holding the power button for a minute tried again for a few seconds and just a regularly press and let go; and well nothing.

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My RCA 2-n-1 tablet none of the Windows 10 apps or the start menu work.

Original title: RCA 2-n-1 tablet and Windows 10

Can anyone tell me how to fix my RCA 2-n-1 tablet none of the Windows 10 apps or the start menu work. Its driving me nuts, Please Help?

 

Windows 10 for 2 in 1 tablets

I'm at a loss, I don't know what version of Windows 10 should be on my RCA Cambio 10.1" 2-in-1 tablet. Any help would greatly be appreciated

 

Need help with RCA Cambio Windows 10 tablet

I recently updated all my machines to the newest windows 10 1803 insiders preview build. How every my RCA Cambio 2 in 1 Tablet did to and it has totally started having problems because the intel atom and 2gb ram are not compadible to run well. Ive Contacted
RCA they say they do not have support for windows 10 and whata worse is it never came with any product key and rca cant give me one. I really need to do a complete clean reinstall of windows 10 Home 32 bit and the drivers from RCA but I will not be able to
re activate my product with out the original key. Dose anyone have any suggestions on how i can find or retrieve the original key so I can do a clean install and fix my device?