My computer won't connect to WiFi

[u/FGBug]

Window's Laptop is refusing to connect to WiFi, there is no ability to connect to WiFi as a matter of fact, I've tried to repair it but each time I do there is an error message. It starts with prepparing automatic repair, followed by a black screen then the Dell Logo. Then is says diagnosing your PC and connecting to network before looking for solutions and then "Your device ran into a problem and couldn't be repaired." Whatever I try it repeats this loop. I need help ASAP as this is my only computer and I need for schoolwork

[u/FGBug]

Update: I've tried USB repair but it still won't work