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How To Fix Error 49153 When Hard Drive Won't Mount, Help!

I bought a new MacBook Air and the error 49153 occurred when failed to mount a specific external hard drive(easy store drive). I can open USB flash drives and another hard drive on this new Mac. The easy store drive can be mounted on my work old MacBook Pro, which indicates that the error 49153 has nothing to do with a drive issue. Can anyone explain it and give me some ways to fix it? THANKS!

Best Answered by

iBoysoft author Wilsey Young

Wilsey Young

Answered on Monday, April 29, 2024

According to your description, I guess you may encounter the error message below when manually mounting an external drive in Disk Utility:

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

Simply speaking, error 49153 could be caused by the following factors:

  • the external drive is corrupted
  • Mac has a temporary system glitch
  • the hard drive was ejected improperly
  • the external hard drive was reformatted into an incompatible file system, such as NTFS or HFS.
  • the hard drive is encrypted

Here are some solutions to this diskmanagement.disenter error 49153:

Before performing the solutions below, you can use iBoysoft Data Recovery for Mac to recover your data from an unmountable easy store drive in case of data loss.


  1. Restart the Mac.
  2. Restart in safe mode. After Manually mount your drive in the Disk Utility.
  3. Check and repair the drive in Disk Utility, using First Aid. Launch Disk Utility, click View, and select Show All Devices, select your drive, and run First Aid.
  4. Turn off Time Machine automatic backup. 
  5. Reformat the drive in Disk Utility. Select the drive and click the Erase button.

 You can refer to this article to get more details about the ways above: Fix com.apple.DiskManagement.disenter error 49153 on Mac

 Hope my answer could help you out!

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