problems with Iconia W3 810, help me please, won't turn on?

Hi i was needeing help this is the 2nd time this has done this to me my Iconia W3 810 just up n stopped working on me without any errors, what had happened i had it on Nov. 28, n then yesterday i tried to turn it on and it wouldn't turn on, i even did what i had to do the first time it did this to me, i let it go for about 2.5 weeks without it being charged n my parents said for me to try it again so i charged it up for 8 hours n then it did come back on but this time i had it off for a long time not charging n then i charged it late lastnight n today and it still will not come on...it did say it was charged with the blue light but when i tried to turn it on nothing happened i even took the charge plug out n tried it that way ans still nothing what can i do?

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billsey

In case it's actually hung in sleep mode, try pressing and holding the power button for more than 10 seconds. If hung that will force a power off, then you can turn it on normally and let it boot.