Samsung tablet Model5210 won't turn on or even recognize it is charging?

[AC Question]

I have disconnected the battery and still nothing .

 

[belodion]

Are the wall socket, plug fuse, charger, and charger lead all good? Is the USB port clean and undamaged?

 

[B. Diddy]

Welcome to Android Central! Also try pressing and holding Power for at least 15-20 seconds.