External display card device of notebook computer

The utility model discloses an external display card device of notebook computer, including slot, base, first mounting groove, footstock, second mounting groove and stereo set, the inside of base is equipped with first mounting groove, the inside bottom intermediate position department of base of an installation slot position department of putting installs the slot, a radiator fan is installed toouter side wall of the base one side of an installation slot position department of putting, be equipped with the air intake on the outer side wall of the base of the corresponding one side of radiator fan, and install the dust screen on the base of air intake position department, the both sides of base all are equipped with movable groove, the internally mounted in activity groove has the movableblock. The utility model discloses an internally mounted at the footstock has the limiting plate to footstock internally mounted in limiting plate one side has a stereo set, not only can avoid the display card to take place t