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Original post by: BabaRamDass ,


I have am older macbook pro 5,1 that had similar problems, the drive I put in the optical bay would sometimes be recognized, and sometimes not. Other times it would read in very strange ways. The original optical drive had stopped working, and I noticed the cable was not mating with the receptacle properly. I ordered a cheap replacement cable from gainsaver and voila,everything worked.

If you had problems with your drive before replacing it, try replacing the cable if the new drive is not mounting