External hard drive repair may require finding solutions to such issues as connection troubles, drive letter troubles, file system troubles, partition troubles, or hardware troubles. The right way to proceed depends on what the computer recognizes. If the drive is not recognized at all by several computers and cables, then the trouble may be hardware related. If it is recognized in Disk Management but cannot be accessed, then the trouble may be logical and may sometimes be fixed using Windows utilities. In case there are valuable files on the drive, do not format or initialize it before recovery.
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