help rooting my nextbok 8 se

[sweetnmetal1]

hello my name is Lynn
i have a nextbook premium 8 se .the thing is i have tried over and over to get it rooted
i have tried
Z4root
easy root tool
super one click
one click root
universal root
bin4ary root tool
modi root
root tool ..

i think i have tried all that i could find
i tried one click root over and over
i find a unlock root it didnt even find drivers .or my next book when it was plugged in
if anyone got any suggestions

Thank you Lynn