Need help. Any advice would be much appreciated. Last November I had a strong power surge, long story short it fried my iMac hard drive. I had over 13,000 photos on my computer. I was told I could still retrieve my pictures but it would cost anywhere from $500-$5,000 for them to be placed on a external hard drive. So my question is how to get my pictures on to an external hard drive without paying so much and how big should the drive be? Thanks in advance for any help. P.S. The computer turns on but never makes it to the main screen before turning off.