Question
In the form a user would ask a support agent.

Answer
Short, precise, in the terms and language of your the user; if possible add image or screenshots.

Categories and tags
For complex manuals use tags and categories to relate the FAQ entries to similar content.

Related documents
Links to specific pages within a knowledge base or explanation articles

Example Question

The power-on indicator remains dark after you switch on your device.

Power cable incorrectly connected. Make sure that the power cable(s) is/are correctly connected to the server and the grounded power outlet(s).
Power supply overloaded. Disconnect the server power plug(s) from the grounded power outlet(s). Wait a few minutes before you plug it/them into the grounded power outlet(s)
again. Switch on your server.