On my acer aspire 5532 laptop both my shift keys are not working

[dycegamez]

please help both my shift keys are not working they were this morning i hooked an external keyboard up to it and that worked. what do i do question mark thanks

 

[dycegamez]

i need to fix this in about 2 hours its a gift for my friends wife if anyone can help i would be enternaly greatful thanks