I am new to this, so this is my first entry into the forum. Correct me if I am wrong.I bought a Seagate Extension 2 GB hard drive for MacBook to store data via Time Machine about a year ago and it worked fine until a few weeks ago when it failed. I was given a new 2GB Seagate Extension. I had to reformat it from PC to Journaled Extended. I have done this many times before without a problem. This time Disc Utility performed the reformat and confirmed it. I turned my computer on the following day. No Seagate Extn? It no longer can be seen as a device. I could not use it for Time Machine. I am still using OSX10.7 as I have been told my MacBook cannot handle the new operating system.
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