If your ExFAT drive is not mounting, here is the solution. Sudo pkill -f fsck fsck was holding the disk hostage. A quick ps aux grep fsck revealed that indeed it was hijacking the disk/volume as soon as it was plugged in. Sudo pkill -f fsck (or just kill with the PID if you prefer) immediately allowed the volume to be mounted. Because you are using one Internal Drive, and one External SSD for the purpose of macOS Mojave installation. From here you can select the drive for macOS Mojave installation. When this window appeared then click on Show all disks.
Summary: In this blog post, we present a few reasons as to why macOS Mojave on your iMac, Mac mini or MacBook Pro might not find or detect an external hard drive after macOS 10.14 Mojave upgrade. We also share the solutions to resolve the plausible root causes of undetectable external hard drive after Mojave upgrade.
As a bonus, we will also share an easy method for recovering the data from the undetectable drive so that at least the data is rescued while you troubleshoot the original problem in the drive or macOS.
So, before you read further, download a free trial of Stellar Data Recovery Professional application on your Mac.
External Hard Drive Not Mounting Mac Mojave 10.14
Do-it-Yourself: Recover the Data when Mac can't find Drive after Mojave Upgrade
Consider Stellar Data Recovery Professional software if you wish to recover data from a non-detected external hard drive after the Mojave upgrade. It can help you get back your erased files, even if you have already erased the external hard drive on macOS Mojave.
The software offers an easy-to-use interface to select the connected drive that is not recognized via Finder, perform a rigorous scan, and recover data to an external storage location.
Watch this quick video to know how to get back the inaccessible data by using the 'Can't find volume' feature of Stellar Data Recovery Professional. Download star vpn for mac.
Hard Drive Not Mounting Mac
Apart from facilitating data recovery in the case of can't find external hard drive after the Mojave upgrade, the software also recovers lost data from any logical data loss scenarios. It includes permanent file deletion, emptying of Trash, file system corruption, erasure of storage drive, volume loss, encryption of volume, and such.
Stellar Data Recovery Professional supports macOS Big Sur, Catalina and Mojave and can recover lost, deleted, or inaccessible data from MacBook Air, MacBook Pro, iMac, Mac Mini, and other Mac devices. It also recovers data from external HDDs, SSDs, SD Cards, and USB Flash Drives with APFS, HFS+, HFS, FAT, FAT16, FAT32, exFAT, and NTFS file system format.
Conclusion
The blog presented the case where users cannot find the external hard drive when connected to their Mac. The issue can be as trivial as connection problem or as critical as hard drive failure. In case of logical failure, using a data recovery software is recommended. The suggested third-party utility — Stellar Data Recovery Professional for Mac — is an ideal choice if your external hard drive does not show up when connected to your Mac that has undergone macOS Big Sur, Catalina, and Mojave upgrade.
Conclusion
The blog presented the case where users cannot find the external hard drive when connected to their Mac. The issue can be as trivial as connection problem or as critical as hard drive failure. In case of logical failure, using a data recovery software is recommended. The suggested third-party utility — Stellar Data Recovery Professional for Mac — is an ideal choice if your external hard drive does not show up when connected to your Mac that has undergone macOS Big Sur, Catalina, and Mojave upgrade.
Try out the software here; click the Free Download button to get a copy of the application on your Mac.
Install the utility and launch it to evaluate, scan, and preview. If you desire to save the recoverable files, the software prompts you to activate. (Watch activation video)
Once activated, you are ready to save your lost data from the external drive to another drive of equal or larger size. The activated utility has an additional benefit in the form of Drive Monitor, which allows monitoring, mapping, and cloning of storage drive.