I can't turn on wi-fi on my samsung galaxy tab

[xatia]

hello. i have a tablet samsung galaxy tab GT-P1000. last week it didn't turn on. i hasn't connection problems. it's android 4.4. yesterday i restarted tablet, and it turned on, but now i can't. can u help me?
PS:sorry for bad english

 

[popatim]

hold the power button down for 15 to 60 seconds. If it still won't turn on, contact samsung for a warranty exchange.

 

[powerslug]

hold the power button down for 15 to 60 seconds. If it still won't turn on, contact samsung for a warranty exchange.

Excuse me, the OP said that the WIFI doesn't turn on. Before you answer, would you please read the question?

 

[thinksomuch]

yes,it still won't turn on, contact samsung for a warranty exchange. thanks