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Help! Mybook 4TB External HD Reformatted (Shows up as 450 GBs)

I have an external mybook 4TB that I use for backups and it now shows up as 450 GBs after I reformatted, how can I fix this?

thanks!

How did you format it? Check this link maybe you missed a step  http://wdc.custhelp.com/cgi-bin/wdc.cfg/php/enduser/std_adp.php?p_faqid=3865

Joe

Support for Western Digital Hard Drives | Western Digital

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