DELL OPTIPLEX GX780 WILL NOT RECOGNIZE USB MOUSE KEYBOARD

[reduser]

DELL OPTIPLEX GX780 WILL NOT RECOGNIZE USB MOUSE & KEYBOARD even after formating, what should i do?

 

[Dark Lord of Tech]

Do you have your chipset drivers installed?

 

[Ubrales]

I am curious - how did you format without a keyboard or a mouse?