Cannot detect usb flash drive mac

When I plug the USB flash drive or memory card into my MAC it does will need to determine if the USB flash drive is detected by the computer.
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Read More , please refer to the article for that platform. Formatting a hard drive for use with your Mac? Here are your macOS file system options and how to pick the best one for you. Read More that your computer cannot write to. Here's how to fix a locked Mac drive and get it working again. Read More , if necessary. If you find your drive here, try accessing it. Check the boxes to determine which drives show up on your desktop. This system utility lists all connected drives, with mounted or unmounted partitions listed below.

How to access an external drive that's not recognized on a Mac

If your drive appears in Disk Utility but you are unable to mount any partitions, you may still be able to recover data from that drive. Digital camera SD card corrupted itself? Don't despair — here's what you can do to recover your files on your own. Some users have reported success in getting their previously missing drives to show up by rebuilding the macOS launch services database. You can rebuild the database by downloading and installing free maintenance app OnyX. Launch it and input your administrator password so that OnyX can make changes.

External Hard Drive Not Showing Up on Mac? Here's How to Fix It

The app may ask to verify the structure of your desk; click Continue and wait if so. OnyX will appear unresponsive while the process completes. Once OnyX comes back to life, click on the Maintenance tab followed by Rebuilding.

Make sure that LaunchServices is checked you can uncheck the rest then click Run Tasks at the bottom of the window. While this happens, Finder may become unresponsive.

1. Change the Finder settings

Once the process is complete, restart your Mac. Try reconnecting your missing drive once it reboots. Some older drives require USB leads with separate power connectors. You can try switching out the cable for another and seeing if that makes a difference. You can confirm whether or not the drive is faulty by trying to connect it to another computer, if you have one.


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One potential solution is searching online for your particular brand and model. Manufacturers may have included Mac drivers as a separate download. If you have outstanding updates to apply, try applying them and trying again.

Recover Data from USB Flash Drive Not Recognized

In particular, some firmware updates relate specifically to peripherals and devices that connect via USB. Launch the Mac App Store app and head to the Updates tab. Read More before installing major updates or upgrading macOS to the next major version. Even disk first aid or whatever the hell they call it now on the external drives? Read More for details relevant to your machine. Then you'll see the USB flash drive showing up on Mac desktop. If the USB flash drive shows up in the Finder, click on it. Can you see the contents of the USB flash drive shown up?

If it merely shows the device but you can't access the files, probably the USB flash drive is the issue. If the USB flash drive isn't showing up there, you can be sure the drive is corrupted or damaged. Please note that reformatting the USB flash drive will erase all the files stored on it.

In order to avoid unwanted data loss, it's necessary to recover data from the not showing up USB flash drive in advance.

How To Troubleshoot Issues With USB Flash Drives Not Showing Up On A Mac Computer

If you mistakenly erased the USB flash drive, don't worry, iBoysoft Mac Data Recovery is also able to help you recover data from formatted drives with ease. In this solution, 4 steps are required to fix USB flash drive not showing up on Mac problem without data loss. Select the not showing up USB flash drive and click "Next" button to scan all lost data.

Preview the searching results, choose files you need, and click "Recover" to get them back. If the USB flash drive still not showing up on Mac, it might be damaged physically. Under this circumstance, you have to take it to specialists for suggestions.

maigracathemtrod.ml Molly is an editor iBoysoft who frequently shares useful tutorials about data recovery for Windows and Mac.