An unloading mechanism includes a base and a pushing component installed on the base for pushing an electronic component out of a computer device. The unloading mechanism further includes a latch for latching the pushing component. When the electronic component pushes a first end of the pushing component in a first direction, a second end of the pushing component drives the latch to move in a second direction. The unloading mechanism further includes a first resilient component connected between the latch and the base for driving the latch to move in a direction opposite to the second direction, and a second resilient component connected between the pushing component and the base for driving the pushing component to move in a direction opposite to the first direction.