My tablet has locked. It gives me the try again in 30 seconds message holding down the volume up and power don't work

[gongoozle]

so try again in 30 seconds....

[AM4N]

its becuase you entered the wrong password...

[gongoozle]

how do you not know this

[Jim673]

You are very unhelpful but I suspect you know that

[gongoozle]

if it says wait 30 seconds wait 30 seconds and try again, what's the issue

[Binman1554]

I have had that a few times i know i entered correct pass word I rebooted it and it cleared up