I would say you are facing two problems here:īy default Mac OS X will format the Hard Drive using GPT Partition Table (or Apple Partition Map for PPC Macs). You will have to reformat it using Master Boot Record because Apple Partition Map is solely supported by Apple and I highly doubt current HDTV's, Set Top Boxes or whatever can read GPT.Īs for Windows GPT support is also limited: Vista and 7 fully support it, XP 64bit only for data, XP 32bit does not.