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Use a can of compressed air to spray things clean without having to touch anything. While you have the computer open, it is a good idea to clean out dust and debris that may have collected. Today’s computers are meant to shut down when they become overheated, as a protective measure. This could indicate that one or more of the fans have failed. Also, think back and try to recall if you have recently noticed any abnormal or excessively loud noises with the computer right before or at around the time the problems began. You may wish to open the computer to see if other components such as the video card fans, case fans, and processor fans are all performing as they should. If you suspect this is the cause, the first step is to check the fan on the computer to make sure it is functioning properly.
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Most of the time when a computer suddenly shuts down for no apparent reason, it is due to the processor or other part of the computer becoming too hot. Here we examine some causes for the problem as well as some common fixes. When it comes to diagnosing PC problems, some issues are more apparent than others, especially to those of us who are not computer experts. This scenario can be caused by several different reasons, including heat issues, issues or errors with the computer hardware, presence of a virus, failing hardware, or operating system issues. This is not referring to a computer shutting itself off and then restarting, but just spontaneously shutting down without coming back on.
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Some laptops including my vaio have this feature that allows it to boot itself up to do some tasks such as disk defrag or anti virus scans, you or some software might have scheduled some task to get it done during midnight.
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Somedays your laptop seems to wake up before you and be ready at the boot screen/logon screen, and you're wondering if the laptop is possessed by viruses or daemons, Fear not we can heal the issue of your laptop turning on automatically by following these simple steps.
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