Well, if they remove the drives outside your iMac for data recovery, please ensure you are aware and that the techs verify that you have a Fusion Drive. A Fusion Drive on an iMac is a combination of a large capacity HDD and lower capacity SSD. Both those devices are needed to have a complete file recovery. Can check for all details by serial number lookup at everymac.com. Watch video for full data recovery description
This Western Digital USB based external drive no longer mounts correctly on the customer's MacBook. The data is hardware encrypted from the factory. If this model WD hard drive fails on you, removing the HDD from the enclosure and connecting to computer will not allow for a successful recovery, because the data will be encrypted, therefore not mounting the data volumes correctly. What to expect?
This is an example of a Hitachi (HGST) hard drive that sustained firmware corruption, where the drive no longer works correctly, consequently the drive is completely inaccessible.
Our data recovery specialists successfully completed a local data recovery of this Promise Pegasus R6 RAID5 array of 6TB Seagate HDDs, each with 3TB capacity. This is a Thunderbolt based external drive recovery, which embodied failure of 2 drives, one mechanical and one with degradation as result of bad blocks. How?
One of our computer shop partners in Walpole MA received a desktop computer with a clicking 160GB WD Hard Disk Drive in need of data recovery service. Matter of fact it was a RAID 1 array of two drives of the same model HDD, where one failed months ago and the other just recently.
Customer's drive came out of a Dell laptop that was freezing upon boot up and getting a blue screen upon Windows operating system loading. Per customer, prior repair and recovery attempts by other companies were unsuccessful. How it went?