Dell plans to replace components on some of its Optiplex business PCs but will not issue a product-wide recall, a spokesman for the company said Monday. Performance problems with the company's GX270 ...

My friend's computer has been acting flakey, especially when he's got a lot of bus-powered USB devices plugged in. I've narrowed the problem down to either the motherboard or power supply. The power ...

Defective capacitors--or "bad caps" as they are sometimes called--can disable your computer. And while they may not be widely familiar to consumers, they're nothing new to the PC industry. Capacitors, ...