Generally, it contains AC-to-DC converter, surge protector, and cooling fan.
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.
For a god quality PC power supply; 120mV on the 12V rail 50mV on the 5V and 3.3V rails
A dead PC could have no power going to it. The power cable could be faulty or the circuit breaker on the power supply could be flipped. If these conditions all check out, then it is likely a faulty power supply. Try these solutions. If this doesn't work, let us know ;)
The flashing amber light on a Dell PC means there is a power problem between your power supply and motherboard. Chances are its the power supply, but it could be the motherboard too. Typically this will happen when the PC is put under high-heat, bad ventilation, or dirty/dusty vents.
It all boils down to following the instructions provided.
Computers require their own internal power supply because the power required to power most newer computers, especially with high-end graphics cards, would require a bulky power supply which wouldn't be ideal in transporting computers or aesthetically. Also, with all of the other internal parts of a computer, some type of power interface would be necessary within the PC anyway, so why not just bundle it all together?
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.
start your pc.
Reattach the side panels to the case.
+10
Oh no i suggest you buy a new power supply before it complety stuffs your pc. you may not have enough power in your power supply to run it.
Unplug it from the power supply.
Keep it plugged in.
Rectifer
change the power supply then restart your PC......
AT Power Supply - still in use in older PCs.ATX Power Supply - commonly in use today.ATX-2 Power Supply - recently new standard.
A PC Main Supply is what gives the computer power to operate, in desktop computers they have to constantly be connected to some type of power outlet. Diagram. Plug socket > Cable > PSU (power supply unit) > Motherboard > power to all components in the computer.