How Do I Use An Old Computer Power Supply?

What can I do with a old PC power supply?

Old computer power supplies are a great resource for ham radio gear, CB radios, chargers, or any other item that needs a regulated 12 volt source. Many of these older power supplies do not have an on/off switch on the unit.

What can you use a computer power supply for?

The desktop computer power supply converts the alternating current (AC) from a wall socket of mains electricity to a low-voltage direct current (DC) to operate the motherboard, processor and peripheral devices.

How can I use my PC power supply without a motherboard?

Simply plug one wire from the switch into the PSU’s green connector and the other wire into any of the black connectors. It doesn’t matter which one of the black connectors you use, and it doesn’t matter which end of switch is connected to which wire.

How do you fix a computer that wont turn on?

How to fix a PC that won’t turn on

1. Try a different power source.
2. Check your monitor connection.
3. Disconnect your devices.
4. Listen for beeps.
5. Start your PC in safe mode.
6. Restore your computer to previous settings.
7. Check for unresponsive apps.
8. Unplug USB devices.

Can you plug a computer into an ungrounded outlet?

In order to protect against surges, I found a product called Zero Surge which, according to a sales rep, “does not rely on the ground circuit for effective surge protection, so you can safely use them in ungrounded outlets, and their performance will not be diminished in any way.” Furthermore, Zero Surge products are “

Should I ground my power supply?

Your pc is always grounded unless you isolate the contact from the plug, or plug a cable without grounding contact, which is sometimes helpfull in sound systems like rock concert, where if the electric amps are grounded can lead to humming or buzzing noise.

Is a PC power supply 12V?

Most computer PSU’s range from about 150W up to 500W so there is plenty of power.Also make sure that the metal box of the PSU is correctly earthed or grounded. You are responsible for your own safety!. We can not just simply plug the PSU into the mains supply and expect to get the required 5 or 12 volts output.

How do I get a 24V power supply from my computer?

So even though you can’t get 24V from the ATX, you can “cheat” by including another DC converter, the PST-DCBP-24V. The best source of power in the computer is the +12V rail.

What wires turn on a PC power supply?

Turning on the Power Supply It is designed to not turn on unless it is connected to a computer motherboard. This is controlled by the green “power on” wire. Connecting this wire to ground (any black wire) will allow the power supply to turn on.

Why is my power supply not working?

Plug the PSU power cable into a wall socket or surge protector, and turn on the computer. Most power supply models have a light on back of the unit that glows when it’s powered on. If it doesn’t light, try a different power cable and a different socket to eliminate those items as the source of the problem.

When I press the power button on my computer nothing happens?

If you’re still getting absolutely nothing when you press the power button, look to see if your motherboard has any idle indicator lights to confirm that the motherboard is definitely receiving power. If not, then you might need a new power supply.

How do I know if my power supply or motherboard is bad?

The Answer

1. Plug the power supply into the wall.
2. Find the big 24-ish pin connector that connects to the motherboard.
3. Connect the GREEN wire with the adjacent BLACK wire.
4. The power supply’s fan should start up. If it doesn’t then it’s dead.
5. If the fan starts up, then it could be the motherboard that’s dead.