swipe sensor software

Dear Sir

There is a Dell latitude e 6420 ( i7 ) with me. Recently, i changed os in to windows 10 anniversary. The key board light dosent work. like wise swipe sensor also. How this two issues  can be fixed. If softwares are needed for it, please tell me the link. i have another doubt. i can see a SIM slot near battery. why it is used. does the laptop ca be used like a cell phone.        please help me