Why is my USB port on my Mac not working?

The Solution to No-Cause Random USB Failure on a Mac: Resetting SMC. Shut down the Mac and connect the power cable. Hold down Shift+Control+Option+Power concurrently for a few seconds, when the light on the power adapter blinks or changes colors you’ll know SMC reset is complete. Release all keys at the same time.

Does USB 3 work on a Mac?

All Mac models after 2012 have USB 3.0 ports. The only exception is the 2015 MacBook, which used USB 3.1 Gen 1 and a USB-C connector. You can also use this port to connect peripheral devices, such as monitors, to your iPad Pro. (Depending on the ports on your computer, you may need an adapter.)

How do I fix my USB drive not showing up on my computer?

How To Fix a Plugged-In USB Drive Not Showing Up

Preliminary checks.
Check for device compatibility.
Update your operating system.
Windows Troubleshooter tool.
Use Disk Management tool.
Try plugging into a different computer or USB port.
Troubleshoot drivers.
Use Device Manager to scan for hardware changes.

How do you reset a flash drive on a Mac?

Format Flash Drive Mac with Disk Utility

Connect the flash drive that you want to format.
Go to Applications and Utilities and launch Disk Utility.
Select your storage device from the list on the left and click on the Erase tab.
With everything set, you may click on the Erase button to start the formatting process.

What does USB 3 look like?

Look at the physical ports on your computer. A USB 3.0 port will be marked either by a blue color on the port itself, or by markings next to the port; either “SS” (Super Speed) or “3.0”. If you see USB 3.0, XHCI or Super Speed listed, you have USB 3.0 ports.

Can I convert Thunderbolt to USB?

Yes, Thunderbolt 3 ports are fully compatible with USB devices and cables. Can I connect a Thunderbolt™ device to a USB computer port? Yes, solutions and products built to Thunderbolt and Thunderbolt 2 specifications will work with Thunderbolt 3 via an adapter.

How do I enable USB on my computer?

Enable USB Ports via Device Manager

Click the Start button and type “device manager” or “devmgmt.
Click “Universal Serial Bus controllers” to see a list of USB ports on the computer.
Right-click each USB port, then click “Enable.” If this does not re-enable the USB ports, right-click each again and select “Uninstall.”

Why is my computer not reading my USB?

Reasons why your computer isn’t recognizing your USB device include: There is a problem with the USB driver. The USB drive isn’t properly formatted. The USB drive is dead.

What should I do if my Mac wont connect to my USB?

If you have many devices connected to your Mac: Disconnect all USB devices except the device you’re testing, an Apple keyboard, and an Apple mouse. Make sure that the device is connected directly to the computer, and that any hubs or extension cables are disconnected.

What should I do if my USB device is not working?

Check the power, port, and cable connections: Make sure the USB device is turned on and its cables are properly connected. If your computer has more than one USB port , switch the device’s cable to another port. If you still can’t use the device, contact the manufacturer for more information.

What should I do if my Mac keyboard is not working?

You might need to disconnect and reconnect the other device as well, if it has stopped responding. If you have many devices connected to your Mac: Disconnect all USB devices except the device you’re testing, an Apple keyboard, and an Apple mouse.

Where do I Find My USB device on my Mac?

Verify that the device appears in System Information: On your Mac, choose Apple menu > About This Mac. In the overview that appears, click the System Report button. In the window that appears, see if the USB device is listed below Hardware in the list on the left.

Why is my USB port on my Mac not working? The Solution to No-Cause Random USB Failure on a Mac: Resetting SMC. Shut down the Mac and connect the power cable. Hold down Shift+Control+Option+Power concurrently for a few seconds, when the light on the power adapter blinks or changes colors you’ll know SMC reset is…