Ok so this is super weird....I cleaned my keyboard today, very very carefully...and when I restarted it the first time it worked alright except the number 7 and 4 were not working I only know this because i have them in my user password. So I popped the key covers off and carefully made sure they were dry and undamaged...they were fine. so then I reset my computer...heres the weird part. My entire keyboard became unresponsive. but my trackpad is still working fine. so i snagged a usb keyboard to try and find the answer...but alas I have had no luck finding anyone with this same problem. anyone who has advice let me know...please.