Changing the new computer power supply (do not try to open the power supply box):
This analyzing is from the following problems: 1. When you switch on the computer and there is nothing on the screen. First you have check whether all the plugs are loose or not. If they are not loose, then analyze that there is the problem with the power supply. 2. When you switch on the computer, it works a few seconds and it turns off by itself. Etc...
Before changing the new power supply, we suggest you check whether the cables connecting to the power supply are loose or not. Sometimes the problem comes from the power supply connecting cables are loose.
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