Many thanks for your help i am not an it wizard (i am 70 years old) started off with 2600 back in the day,but i usually get things sorted especially with all the help from the gaming community.
I have a new Toshiba sd card 16gb class 10 100mbs.I have the 50 game legends,the card shows 110 games now so they all work ok.But when i try atari get a black screen then back to menu no games show.