[header] How to fix a squeaking ceiling fan [title] Turn the ceiling fan off, and allow the blades to coast to a complete stop. [title] Grasp each blade and wiggle them to see if any of the fasteners (usually phillips type screws) are loose, and if so, tighten them. [step] It is unusual for loose blades to cause a squeak, but possible in some instances. 
Also check that the light bulbs are securely in place; they can rattle around in their sockets. [title] Look for excess dust accumulated on the blade surface, especially the top.