COPY PS GAME HELP

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CAN ANYONE HELP. I HAVE PUT A MOD CHIP INTO MY PS AND HAVE TRIED 4 TIMES TO COPY MY GAMES AND HAVE HAD NO LUCK. THIS IS WHAT IS I AM USING. A ACER 6432A AND MEMOREX CD. I HAV E TRIED TO USE NERO 5.5 I HAVE TRIED CDRWIN AND CLONECD. I HAVE TRIED TO COPY DISK TO DISK. COPY DISK TO HARD DRIVE AND BACK TO CD. WHEN I PUT IT INTO MY PS IT WILL GO AS FAR AS THE (P) SYMBOL AND STOP. MY ORIGENAL WORKS FINE. I HAVE CHECKED MY SODER JOB ON THE MOD CHIP AND IT LOOKS GOOD. ALL THE PROGRAMS SHOW IT DID COPY AND WHEN I CHECK THE SIZE OF AS THE DISK IT SHOWS THE SAME SIZE AS THE ORIGIAL AND ALL THE FILES. I HAVE TRIED TO COPY ( DESTRUCTION DERBY 2) WHICH I HAVE CHECKED AND IT DOESN’T LOOK LIKE IT NEEDS A PATCH. CAN IT ONLY BE THE CHEAP DISK ??? WOULD IT STILL SHOW THAT THE DISK WAS COPIED RIGHT. AND YES MY CDRW IS LISTED WITH THE CDRWIN