Hacking white squares in gateway

[lucasferrr]

guys i got a adata 64 gig card today,i put 40 roms on it right away in the exfat format,but when i booted gateway only 4 games apeared and the others had a white square in it............its because the exfat,faulty card or what? anyone had this issue?

im making some tests right now

 

[roxas-89]

I think you have a faulty memory card or fake one ( it's usually fake ) you should test it using a utility program like H2testw