Checking the computer power cord is the first step to troubleshooting when it stops working. Faulty power supply can create a lot of computer problems, which is why technicians prefer to check PSU first while diagnosing PC hardware. The following can be some of the common issues of system failure: During the bootup process The PC does not power up Sudden restarts or lockouts while trying to use the machine Case fan and hard drives do not spin Overheating of the system Faults in system memory If the PC does not turn up at all: With troubleshooting, disconnect all unnecessary power...