[header] How to clean gunk off of an optical computer mouse [title] Gather your equipment. [step] To clean your optical mouse, you will need the following items : [substeps] Q-tip or microfiber cloth-for cleaning gunk off of the mouse. If possible, use a microfiber cloth since it won't leave behind fibers like a q-tip will. 
Isopropyl alcohol-for cleaning and sanitizing. Do not use a different cleaning agent (e.g., windex)-if you don't have isopropyl alcohol, use water.