Reasons behind a Computer not booting

There are a number of reasons or rather situations when a computer will not boot. Some of the situations when you may come across such a problem are when you see a blue screen or a blank screen on the monitor or a situation where your computer falls into an unending loop of restarting over and over again. There may be a number of reasons behind each of these situations. Though, the process of troubleshooting such a dead computer may be slow but each of the situations can be tackled to get to the root cause of the problem quickly.
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