This HDD Low Level Format utility is free for home use. The program also supports low-level formatting of FLASH cards (SD, MMC, MemoryStick and CompactFlash) using a card-reader.Supported Manufacturers: Maxtor, Hitachi, Seagate, Samsung, Toshiba, Fujitsu, IBM, Quantum, Western Digital, and almost any other not listed here.Supported interfaces: S-ATA (SATA), IDE (E-IDE), SCSI, SAS, USB, FIREWIRE.HDD Low Level Format Tool is a utility for low-level hard disk drive formatting. If you are looking for a commercial license for 3 or more seats (PCs), please contact us and we will provide a discount. $27.00 per seat for commercial or professional use: Order Commercial license.Just $3.30 for personal/home use (no speed limit): Order Personal license.Free for personal/home use (speed is capped at 180 GB per hour which is 50 MB/s).

Free download iBoysoft Data Recovery for Mac to recover data Now. If you are sure the connection is not the problem, does other storage media plugged into your Mac behave normally? If your answer is yes, it seems that the WD drive is corrupted, you can repair corrupted external hard drive on Mac with Disk Utility's First Aid, FSK command, reformatting, etc., and you'd better recover data from the corrupted drive to avoid data loss caused by further operations. To troubleshoot this issue, you should first check the connection, including the USB ports, USB cable, and USB hub, and make sure all the parts related to the connection are in good condition. After reconnecting, the same issue occurs again, perhaps the external hard drive keeps disconnecting on Mac. You should be able to access the connected WD drive on your Mac, however, the files vanish from the attached drive after a while, it seems that the connection between the WD drive and the Mac is unstable. If any data loss happens, try iBoysoft Data Recovery for Mac to recover ASAP! To avoid unexpected data loss, back up your drive if it is possible. You should check the connection between the WD drive and your Mac. If the connected drive shows up on MacBook but the files disappear after a while, there may be some connection issue.

Western digital drive utilities