Fix MacBook External Disk refuses to Mount, com.apple.DiskManagement.disenter error -119930868

Many MacBook users are facing issue while mounting the external disk, and refuse to mount the external disk. The issue started after updating Macbook to Catalina. And while mounting the disk macbook users are seeing error like com.apple.DiskManagement.disenter error -119930868,

com.apple.DiskManagement.disenter error 0 ,

Could not mount (com.apple.DiskManagement.disenter error 49153)

Why MacBook not mounting external device and keeps showing com.apple.DiskManagement.disenter error -119930868, error 0 (2022)

This mostly happens when the disk is not ejected and shuts abruptly.  But Due to this error the Macbook will not mount any external hard drives. The issue is faced with different type of external hard drive like Samsung T5 etc. We have listed some possible fix for mac not mounting external drive, please try them 

Fix : Force close the Process

To fix disk management error on the macbook Pro, Open Activity monitor on your MacBook,  and force quit there fsck_ext . The issue should d be resolved after the process is killed. 

1. Open your Terminal application. You can find it in your Application folder.
2. Type in: ps aux | grep fsck (and then press enter)
3. If you see something like this :

root 2398 2.6 0.1 4352836 11660 ?? Us 10:02 0:02.31 /System/Library/Filesystems/exfat.fs/Contents/Resources/fsck_exfat -y -x /dev/rdisk3s2

• It means that rdisk3s2 is now occupied by the fsck_exfat command, so the status is busy and cannot be mounted.

4.Type in: sudo kill -9 {pid}

Fix :  Try third party software

To fix external disk not mounting on MacBook then as a solution try to install Tuxera. This suggestion seems to work for many Mac users who were facing the issue. Please serach for  Microsoft NTFS for Mac by Tuxera. Microsoft NTFS for Mac by Tuxera provides read-write support for NTFS-formatted USB drives , and the performance is great as compared to other NTFS for Mac alternatives software.

Go to www.Tuxera.com and download it for mac.

After installation , your mac will restart. after that you're good to go.

Just plug your Hard Drive in and use it.

Fix : System Diagnostics

One other solution to fix the external disk failing to mount on mac is to Run System Diagnostics

Connect the external hard drive-> Open Activity Monitor > Run System Diagnostics . The MaC should be able to fix the issue itself after sometime. 

Fix.: Wait for few hours

One other solution to fix Mac external drive mount not work is to Leave drive plugged into Mac and let it mount for few hours with mac and it should resolve after that.   

Source: Shudtech