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Table Of Contents  CertiGuide to A+ (Core Hardware)
 9  Chapter 1100:  Troubleshooting

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VII  Rube Goldburg
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VIII  Think like Sherlock Holmes

We have said this several times before, a PC has a collection of spare parts flying in close formation. Sometimes an issue in one area that may at first seem unrelated, is in fact the root challenge point. Here is a trick we have learned the hard way. You have an issue where the system re-boots without it appearing to have any particular pattern as to when or why. Take the parts out of the case, and see if the challenge continues. If not, suspect an electrical issue, such as a ground issue. This shows up often in very inexpensive cases. This is because of poor spot welds or differences in types of metal used. If you cannot get a new case, ground several different points of the case, (drive bays and the rest of the frame to the power supply using leads with alligator clips to see if the issue disappears.)

The point here is to use the process of elimination, while not closing your mind to possibilities.

Remember, Sherlock Holmes always said, “Eliminate the impossible and, no matter how improbable, whatever is left must be the answer”.

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