how to install a desktop power supply
This is an easier task when learning how to install computer components ---
But it is also the most dangerous.
Power supplies juice for your desktop, so please follow the safety precautions below before you start.
Also, if you build a computer from scratch-as we assume--
You may be reinstalling your power supply instead of replacing the old one.
So we will skip any explanation on how to remove the old power supply, although we think you will understand this after completing this lesson. 1.
Understanding how to properly install the safety precautions and open cases for computer power devices begins with a review of safety.
Your new power source has plugs to power a variety of devices on your computer and desktop.
Handle it carefully and be very careful not to walk around its vents with any object.
Your power supply has the ability to maintain charge even after you unplug it.
It\'s good to know these things in advance so that we don\'t make any stupid mistakes.
The first order of the business now is the withdrawal.
Depending on your system, there will be different ways to do so.
If you have a mini
Tower, then unscrew the side board above the motherboard and slide it down.
Fix the screws in a safe place.
If you have an old model computer then you may have to unscrew the entire back cover and slide the case out completely. 2.
Align and protect the power supply the next step to learn how to install the desktop power supply is to align it with the housing and then protect it properly.
This part can be very tricky.
Basically, your power supply has four mounting holes that match the four mounting holes on the back of your computer\'s chassis.
You will also notice that the power supply is a bit bulky unit.
You need to input the power into the computer and align its mounting holes with the mounting holes of the computer chassis and then screw them in using a screwdriver.
Of course, we realize you can\'t do this at the same time.
You may have to unscrew the first two top brackets first-
Keep the equipment stable--
Then twist the bottom hole.
Some computer cases have wall racks and you can turn on the power so it\'s easier to work.
It takes great patience and flexibility to learn how to install computer components. 3.
Set the voltage switch to plug the power into the heart of your mother who has traveled abroad, and you may realize that sockets in some countries use 220 v. -
So are their computers.
For this reason, the power supply comes with a voltage switch.
Find it on the back of the power supply.
It\'s probably pink. colored switch--
There is a reason why it stands out.
Learning to properly install computer power devices means you can\'t ignore this important step.
You need to set this switch to the correct voltage for the country you live in.
Now, it may have been pre-set by the country you live in.
If so, OK, make sure before you go ahead.
Otherwise you will have a serious problem.
Next, you plug the power into the motherboard.
Look for leads from the power supply connected to the motherboard.
The most common of them is the ATX connector;
These are standard 20-pin cables.
If you have an updated Pentium 4 computer, you may also need to connect the 12v 4-pin connector to the motherboard. 4.
If you choose to install computer power devices without connecting them to any internal device of your computer, it will be useless to connect the power to the internal device.
Your power supply actually powers several devices in your computer.
You\'ll notice that there seems to be a lot of loose cables on your power supply, looking for a plug that plugs somewhere.
The most common destination for these hanging lines is your optical drive--
Your CD and/or DVD-ROM drives.
The connector is four pins-
Variety, often referred to as the \"molex\" connector.
Find these connectors and install them into the drive.
Please consult the documentation to see if there are any additional devices that require a power supply and insert the connector into it. 5.
Turn off the system and plug it in and you\'re almost done.
Check the connection between the power supply and the equipment to which it will be powered.
Also check the lead between the power supply and the motherboard.
Make sure all of these connections are secure.
If so, you can turn the system off, plug it in and power it on.
Close your computer box by re-opening and tightening the lid.
Make sure your AC power cord is not connected to the socket yet.
First, plug the power cord back into the power supply and then turn on the power switch again.
Then connect your AC cord to the socket on the wall and turn on your computer.
If you follow these steps in sequence, when the power supply fan supplies power to your system, you will hear its reassuring cries.
Check your system, including discs and DVD disc drives, to make sure they work properly.
Conclusion in this tutorial you have learned how to install a computer device like a power supply, which is something you can be proud!
It may be a challenge for beginners to know how to install a desktop power supply, but we believe we have simplified the installation for you.
This requires a little mechanical skill and patience.
But in the end, learn how to do-it-
You yourself are much cheaper than paying someone else.
This is also a more gratifying thing.
Also, we believe that you can learn how to replace the old power supply if you need it.