Power supplies are a frequently misunderstood—and overlooked—PC component. Many users choose a PC power supply based on total wattage alone, assuming that higher is always synonymous with better.

A PC power supply won’t boost your frame rate, but it will make sure everything in your PC is safe, secure, and running efficiently. A bad PSU risks system crashes at stock settings – nevermind ...

So you have tested everything from the motherboard to the floppy drive. Still having problems? Have you tried testing the power supply? This Daily Drill Down by Faithe Wempen gives you the scoop on ...

Don’t underestimate the importance of your PC’s power source. A good power supply serves as the cornerstone for a low-maintenance and highly reliable computer. But more often than not, boxed, ...

Switched-mode power supplies are found in electronics all around us. They provide the DC voltages that power our computers, cell phones, chargers, appliances, and myriad other electronic devices.