As long as your carefully inspect a used computer before buying it they can be just as good as a new computer for a fraction of the cost. There is nothing worse than spending a bunch of time getting a new computer all set up, customizing to your liking, loading all your software on it and transferring all your files to it and having it fail soon after. Below are few of the primary items to check before buying a used computer.
The hard drive is very important and probably the last component of a computer that you would want to fail. The problem with inspecting hard drives is that many of the failures are due to mechanical issues that cannot be detected without opening the hard drive case is not recommended. Buying a used computer involves a bit of a leap of faith as it relates to the hard drive. Hard drives have become pretty reliable but anything with moving parts has a chance of failure. Hard drive failures can also be caused by heavy wear and tear. The high speed which modern disk drives spin at mean the read and write head is a common part of a disk drive to fail. Over a time the risk of failure or malfunction of a hard disk increases.
Hard drive failures from certain data related issued can be detected and prevented by a full system scan. Certain bad disk sectors are easily detected and repaired by performing a full system scan. The scanning time depends on the capacity and size of the hard disk of the used computer. Full system scans can take several hours making it difficult to perform before buying a computer in some instances. It is highly recommended that a full system scan be performed before buying a used computer.
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