The sounds your PC tower makes when you reboot or turn your PC on are not always noises you can simply ignore. Before your PC boots its operating system, the motherboard runs a suite of diagnostic ...

When a personal computer starts, it runs a Power-On Self Test (POST) to check that various hardware components are working correctly. If problems are detected, the computer will not start. This test ...

I get a continuous beep when running an old Pentium 200 MMX computer with Windows 95. It doesn't happen until after the computer and OS is up and working. And sometimes it doesn't happen at all. I ...

Q: I dropped my Dell Inspiron laptop on a hard tile floor. Fortunately, the PC still runs properly, and I ran some diagnostic tests that found nothing wrong. But now, every time the PC starts it gives ...

Have you been hearing beeps from your PC, and wondering what they mean? Those beeps come from your machine’s BIOS (a little piece of software built into the motherboard), and they’re its R2-D2-esque ...