When SSD is not showing up on Mac, first check if the SSD is found in Disk Utility. Mount SSD in Disk Utility to Make It Detected Simply choose the 'Apple menu' > 'Restart'.įix 3. Restarting the Mac will refresh its Operating system's memory and give it a fresh start, which works when the USB port is busy. But it can be fixed by restarting your Mac. Mac external SSD not showing the system issues cause issues. Restart Your Mac and Reconnect Again to Make SSD Show Up After that, choose Allow button next to the message: System software from developer 'Samsung Electronics' was blocked from loading. If your unrecognized SSD is a Samsung T5/T3 SSD, and 'System Extension Blocked' and 'No Samsung Portable SSD is connected' messages are showing to you, then go to System Preferences, then click on Security & Privacy. If it's a C-type drive, try to connect the SSD to your Mac directly. Try to use a different SATA USB adapter, and make sure that it works in a different drive. Check the compatibility of your adapter by checking whether your SSD is using SATA I, II, or Ill. Connect the SSD with a different USB and check if the cable is working. The following solutions will help you to fix the SSD not showing up issue. In this case, if you don't have any backup at hand, you need to find a reliable and capable Mac data recovery program to scan and export essential data.

To avoid that, you must first back up your unrecognized external storage. However, SSD data can sometimes be endangered because of some troubleshooting processes. Usually, the data is unaffected while fixing the SSD connection or recognition problem. Most of the time, you can fix your SSD connection or recognition problems by yourself.

SSD Problem: Though it is not such a common reason, it can also happen that your SSD is broken or corrupted, and for that, it's not working and not showing up.Ħ Fixes for SSD Not Showing or Detected by Mac.

MacOS problem: If the reasons above are not applicable in your case, then checking your macOS problem is necessary.

If your USB Port is not working, your SSD will not show up.

USB Port issue: Another reason can be a faulty USB port.

Connection issues can be solved very quickly.

Connection Issue: The most common reason for SSD not showing up on Mac is the connecting cables of your SSD may be loose, worn, or damaged.

SSD not showing up on your Mac can happen for some following possible problems: The same issue can occur with SanDisk and Crucial as well. A person bought a Samsung 840 EVO drive to upgrade, but the laptop doesn't detect the drive. SSD not showing up on Mac, whether it's new or used, is prone to happen for some reason. Launch Disk Utility > Select the grayed-out SSD located at the left. Mac external SSD not showing issues are caused by the system issues.

Mac ssds