Repairs depend on the warranty.  But since you need the machine urgently we can wait for repairs.    1. Meanwhile either find a USB keyboard mouse so that you can atleast use the computer.     2. You can use onscreen keyboard using your Touchpad, Mouse or Touchscreen to enter your pin.  [IMAGE]   Now once you are inside windows, backup your personal files on external HDD and USB drive.    Repairs : First thing you should try it to remove and reseat Keyboard. Please share system model for it. 
I accidentally dropped my laptop and now the keyboard won't respond and I can't put in my pin. I need this laptop, it has literally all my manuscripts on there and I need in for my class tomorrow. What can I do to fix this?
Urgent Help