The power supply is the most crucial component of your computer as it is powers all the other devices in your computer, from the hard drive, to the DVD drive and the CPU. While this unit is usually a very sturdy component, there might be a few times when you may have to replace it.
A power supply can go bad for a number of reasons, from age, dust build-up, voltage fluctuations, a large surge of electricity, or even issues with the other components of your computer. Common symptoms of it going bad are your computer rebooting randomly, crashing for no apparent reason. In extreme scenarios, the computer might simply not start at all.
It is very very important to make sure that you get the right power supply for your computer. Also, it should supply enough power for the various hardware components of your components. Typically, for most PCs, a 300-400 watt supply of power is sufficient. However, if you have a graphics card, or high powered CPUs, it would be prudent to invest in something with more watts of power.
Replacing the actual unit is a pretty job as such. Open your computer case and take off the power connections from all the devices along with the motherboard (warning: unplug the computer’s power cord first. Stand on an anti-static mat if possible).
Then, take out the four screws holding the unit in its place. Screw back the new supply in the same position and attach the various devices and the motherboard to it.
Presto! The power supply has been replaced!
John has been blogging online for several years. His latest website is about optical digital audio cable and digital audio cable.
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