HP 67 magnetic card not working

[aurelio]

(12-07-2019 09:15 AM)Thomas Okken Wrote:  In addition to what others have said, however, I would like to add two bits of advice: first, it took me several attempts before I had the card back to where it could be read without error, so don't give up too quickly if it doesn't seem to work; and second, after retyping the program, save it to another card first, because you don't want to have to retype the program again and again after every failed attempt.

Good luck!

I tryed and tryed , several attempts, but without succees....
I got the Crd, after the first side aand then 000 after the second, but when reading the written card: Error