Heat dissipation device with fixtures for attachment of a fan

A fixture adapted for attaching a fan to a heat sink, the fan having lower and upper flanges, the fixture comprising:

• a fan holder comprising a supporting plate mounted on the heat sink and a sleeve connected to and located above the supporting plate, the lower flange of the fan sandwiched between the supporting plate and a bottom portion of the sleeve;
• and
• a clip comprising a shaft, a spring mounted around the shaft and a handle pivotably mounted on the shaft and movable between locked and unlocked positions, and the shaft and the spring are received in the sleeve of the fan holder, and the handle located above a top portion of the sleeve;
• wherein when the handle of the clip rotates from the unlocked position to the locked position, a bottom portion of the shaft moves downwardly and is snappingly inserted into a hole of the lower flange of the fan to thereby secure the fan on the heat sink.