Lesson Summary

The following points summarize the main elements of this lesson:

Power supplies come in a variety of sizes and shapes.
There are two types of main power connectors: AT and ATX.
A power supply must be capable of handling the requirements of the computer and all internal devices.
Be careful when attaching some connectors-if connected incorrectly, they can damage the computer.
Do not open the power-supply housing!
Keeping a few splitters and extenders in the repair kit can help the technician easily solve some common problems.