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Original post by: mayer ,


Your machine has a     Serial ATA (1.5 Gb/s) BUS.  The new drive is most likely a 3 Gb/s.  See if it can be jumpered down.  If there is a way for you to move your date back on your machine by 6 months, do it.  I now get errors when trying to install Lion until I move the date back a year and then it installs with no problem.