GoKawiilGuide details deep-clean steps and risks for laptop cooling fans
A how-to guide explains that clearing laptop fan dust often requires removing the bottom panel, and on some models like Dell's Alienware m16 R2 and R1, extensive disassembly of screws, batteries, SSDs and system boards to reach the fan and heat sink. It notes Dell restricts full cooling-assembly removal to authorized technicians and warns against cleaning its Element 31 thermal paste with alcohol wipes, which can cause electrical shorts.