HEY guys
I have lenovo a 6000 and I got the same damm problem with home key,menu key, back key
so I go in care centre that say that my lenovo's touch pad is gone and its charges are 2800-3000rs
but I got the temparory solution
download application like EASY TOUCH, SIMPLE SETTING,HOME LOUNCHER or louncher with home key,back key,menu key
but the best is easy touch application
but remember its temparory solutions
hope it will help u
THANK U