i can't connect to pc, it doesn't show to transfer pictures or files, i don't know what to do? i cant factory reset if i can't put all my files to my pc
Have you tried different USB ports on your computer? IF you tried the front ports try the back, try switching 1 over. Try a different cord, make SURE you use the one that came with your phone and that its a sync cord NOT a charge only cord (charge only are usually thinner).
Welcome to the forums. Try this. Go to settings - users - switch to 'guest' - check if the notifications are working now - switch back to 'owner' and check again. Tell us how it goes for further assistance.