PC technicians avoid repairing power supplies because the units usually contain specific components that would allow the computer to operate even if the components are still faulty. It becomes better to buy a new one to avoid further damage to the whole system.
Electricity hurts
If the peripheral component draws power from the PC then that could relate to a problem on the PC. If it draws power from the same extension and the things in that extension are drawing too much power for the extension then that could also affect the PC.
Four key job roles of a PC repair technician include = PC support technician, PC service technician, bench technician, help-desk technician. CompTIA A+ Guide to Software ( fourth edition ) top of page 652.
never
PC support technician, PC service technician, retail sales associate, bench technician, and help-desk technician.
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).
If the peripheral component draws power from the PC then that could relate to a problem on the PC. If it draws power from the same extension and the things in that extension are drawing too much power for the extension then that could also affect the PC.
Each peripheral component draws a certain amount of power, so a PC technician may need to know how much power is needed for a component or many components on/in the computer. This would relate to making sure the Power supply has adequate output.
If you take a look at the PC World website, a computer technician will be able to help you with any questions you may have about PC power supplies. Alternatively you can visit any PC World store to speak face to face with an advisor.
The PC power supply box's function is to supply the computer with power. Without the PC power supply box, the computer would not be able to turn on and off.
Give the customer an estimated time for repair based on the technicians assessment.
+10