how to wipe out cache pertition in my ziggo nebula 8.1 tablet

[AC Question]

My tablet isn't working and it flashes "unfortunately launcher has stopped"..i dont know how to wipe out cache as it doesn't have a home botton

 

[AlphaTango414]

Try holding down different combinations of power buttons and power button together.

So try...
Volume Up and Power
Volume Down and Power
Vol up and Vol down and Power