
Part 3: Recovering Data From USB Flash Drive Not Showing Up on Mac With Recoverit.Part 2: Seven Proven Methods to Fix a Flash Drive Not Showing Up on Mac.Part 1: Why Mac Is Not Recognizing USB?.Here is what you need to know and do if a USB drive is not showing up on your Mac. It can become a nightmare if you need some important data urgently but your flash drive is not showing up on the Mac. Overtime USB and other external hard drives can become corrupted and unreadable mainly due to the sharing across multiple devices. But sometimes you might face the issue of an external hard drive not showing up on Mac. The most important advantage is the convenience of the Plug and Play feature it offers. They are easy to carry around and make it easier to transfer data from one device to another. They provide plenty of storage, portability, fast data transfers, and compatibility across different devices. USBs play an essential role in the storage and transfer of data and provide the added benefit of being able to access data anytime without the internet. Connect the USB device to another computer.Although there are plenty of cloud storage options available, nothing can replace the convenience of an USB flash drive.Connect the USB device to another USB port.You should see a device disappear from System Information when you remove the USB device, and it should appear again when you reconnect it. Wait a few minutes, and click File > Refresh Information. Open System Information and disconnect the USB device from your computer.If you install a new USB device and Mac OS does not detect it, you can complete the following tests to identify the issue: Click About This Mac > More Info > System Report.In the top-left of the screen, click the Apple icon.To open System Information, complete the following: You can find the name of the chipset by navigating to, searching for the product ID, and clicking the Technical Specifications tab.

The USB device is displayed in System Information, under the name of the chipset.

Examples of appropriate headings for a USB video adapter include "USB without the driver installed" or "Graphics and Displays". To determine if Mac OS detects your USB device, you need to open System Information on your computer to see if your USB device is listed under the appropriate heading or is listed with an error (for example, "Device has not been configured").
