Computer maintenance keeps your computer running smoothly by performing regular tasks such as deleting temporary files, defragmenting your hard drive, and running virus scans. On the other hand, computer repair is fixing problems that have already occurred on your computer.

A computer repair technician, also called a computer technician or PC repair technician, is an IT professional who helps troubleshoot and repair computers and computer programs. They can assist customers in a variety of locations, including corporate offices, IT departments and repair centers.

A computer repair technician is a person who repairs and maintains computers and servers. The technician's responsibilities may extend to include building or configuring new hardware, installing and updating software packages, and creating and maintaining computer networks.