Replacement of hard drive in My Book Studio Edition

Hello,

What you are trying to do is not a recommended procedure by WD. However, some users were able to proceed with that and suceed.

See if the following links helps.

http://community.wd.com/t5/External-Drives-for-Mac/WD-My-Book-Pro-II-WD10000C033-001-replacement-drive-experiment/m-p/775075/highlight/true#M9883

http://community.wd.com/t5/External-Drives-for-PC/Replace-upgrade-a-hard-drive-in-My-Book-Pro-II-Premium-II-or/m-p/32525/highlight/true#M1948