Troubleshooting Power Sources and Power Protection Devices

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This section lists some typical problems related to the system power. This includes external power problems, power protection devices (surge suppressors, UPSes, etc.) and also the internal power supply.

A couple of general caveats that you should consider whenever you believe you are looking at a power-related problem:

I strongly recommend the use of a power protection device, especially if you live in an area with bad power or a lot of electrical storms.
If this is a new system, read this section describing common problems in newly assembled PCs.
Read these care instructions related to power.

Please choose the problem description best describing the problem you are having.

Next: Troubleshooting the Motherboard and System Devices

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