troubleshooting
v. B2 Upper Intermediate US //ˈtɹəbəɫˌʃutɪŋ// UK //tɹˈʌbəlʃˌuːtɪŋ// trou·bleshoot·ing
v. the process of finding and fixing a problem, especially with a machine or a computer system.
v. the process of identifying and resolving problems or malfunctions in a system or piece of equipment.
The technician spent hours troubleshooting the faulty printer.
After the server crashed, the IT team spent the entire weekend troubleshooting the network to find the root cause.
Effective troubleshooting requires a systematic approach to isolate variables, as a single minor configuration error can often lead to significant system-wide failures.