Are you getting Lacie disk not recognized error? Well, it is one of the annoying error message that appears on your desktop screen when there is some problem with Lacie hard drive file system. Further, the Lacie disk not recognized problem also emerges due to human error like sudden termination of Mac system, abrupt removal of storage media, improper sharing of files. Apart from that, hardware and software issues are also be the probable reasons for Lacie disk not recognized error. However, to fix such panic issue and to regain the access of your Lacie drive files, you may take help of Disk utility. It is a free inbuilt tool that completely scans Lacie hard drive and resolve all the problem related to Lacie hard drive file system. In order to make use of Disk utility Click on Application → Disk Utility. But, even after using Disk utility your problem remains as it is. Then, try third party Lacie drive recovery software to resolve Lacie disk not recognized error and regain access to Mac files.