URGENT Computer won't install nexus 7 drivers

[polo2673]

Hi guys for some reason when I connect my N7 to my computer it says new device then you have to click to install driver I click to install it and then it fails and I cannot access my N7 files on my computer PLEASE HELP Thanks in advanced

 

[anon(847090)]

go to settings-->storage-->menu[3 dots]-->USB mass storage-->check MTP or what ever you find there