A computer's (PC's) power supply is a sealed unit and should be replaced as a whole - It is dangerous to try and repair the inside of that sealed unit (that is why it is sealed).
It would be safer and to purchase a new power supply,a repaired power supply might pose a fire hazzard.
Because most of the time its cheaper to get a new one that to get it repaired.
UPS = Uninterruptible Power Supply
power supply is a device that supplies electric power to electrical load
all about regulated power supply
Advantage of regulated power supply.
any power supply with at least 175 watts
Power steering hoses are under pressure and have to be repaired with specialty tools. The hose either has to be repaired by a hydraulic hose company or replaced entirely.
If it is a computer power supply it is the box that gives the computer its power from the outlet.
Power amplifierPower supply regulatorSwitching power supply chopperetc.
To keep the power supply cool. If there were no fan the power supply would overheat and fail.
The main supply should be isolated and locked out to prevent any unexpected energization while the equipment is being overhauled or repaired. This ensures the safety of the personnel working on the equipment and reduces the risk of electrical hazards.