[ The PC Guide | Troubleshooting and Repair Guide | The Troubleshooting Expert | Troubleshooting Specific Components | Troubleshooting Hard Disk Drives ] Troubleshooting Hard Disk Drives - Physical Problems Hard disk drives have moving components and therefore have occasional physical problems, including heat issues, vibration and occasionally noises that you may hear that may make you believe there is a problem with them.This section takes a look at these matters, as well as issues related to the hard disk activity LED, which is an important--if simple--diagnostic tool. It can tell you a surprising amount about what is going on within your system.
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