Maybe it’s out of habit, but while there is an abundance of free PC repair tools, I still fire up Windows' Command Prompt first when my PC isn’t running well. IT pros and power users seem to agree on ...

Your PC isn't working. It crashes every time you open a game, or it inexplicably falls to a BSOD when you're doing just about anything. Maybe it's your RAM? No, it has to be your GPU. Or maybe it's ...