Learn how to replace a power supply in a computer with this easy and practical guide. Find out how to choose a compatible power supply, remove the old one, install the new one, and test it.

5. Replace a power supply. Power supplies are not something you want to cheap out on, or hang onto if they're on their way out. They're often the noisiest component of a desktop system, they're ...

I tend to troubleshoot other hardware first and the power supply last. If you buy a quality PSU, it is unusual for one to fail. How to test your PSU to see if it is dead or alive ...

Using a power supply tester can also have some drawbacks for computer hardware testing. It can be inaccurate or misleading, only measuring the voltage levels of your PSU and not other aspects that ...

Desktop power supply circuit. Fig. 1 shows the circuit of the desktop power supply. Regulator IC LM317T is arranged in its standard application. Diode D1 guards against polarity reversal and capacitor ...

These testers are relatively inexpensive and can be found at most computer hardware stores. To use a power supply tester, follow these steps: 1. Unplug your computer from the wall socket and open the ...

Power supply units that use the aforementioned group-regulation design are still sold today, even though they tend to struggle with modern computer hardware due to inconsistent cross-loading on ...