Patent ID: 8287058

Claim:
A computer case, comprising: a first fixing board; a second fixing board, wherein a space for inserting a removable device is formed by the first fixing board and the second fixing board, the removable device comprises a fixing aperture, the second fixing board comprises: a hole, wherein the hole of the second fixing board can be aligned with the fixing aperture of the removable device when the removable device is inserted into the space; and a fixing module, comprising: a U-shaped spring, wherein a fixing segment is disposed at one end of the U-shaped spring; and a spring holder, comprising: a spring trough, wherein the fixing segment can be moved with rotating of the U-shaped spring in the spring trough to be inserted into or removed from the fixing aperture of the removable device through the hole when the U-shaped spring is placed in the spring trough of the spring holder and the fixing module is fixed on the second fixing board.