a disc drive arrangement of simplified construction for a disc cartridge with a magnetic disc retained therein by an urging member , in which after the disc cartridge with the magnetic disc is loaded on the disc drive arrangement , the up and down movement of the cartridge to the disc drive section , head &# 39 ; s contacting with and coming apart from the magnetic disc , and the releasing operation of the urging of the urging member against the disc are carried out at a predetermined timing successively , thus the disc cartridge with the magnetic disc being positively loaded and driven by a simplified arrangement .