How to see what USB devices are connected mac?

Do you ever find yourself wondering what USB devices are currently connected to your Mac? Maybe you want to ensure that your external hard drive is properly recognized, or you are troubleshooting an issue with a specific device. Whatever the reason may be, it’s essential to know how to check the connected USB devices on your Mac. In this article, we will guide you through the process step by step.

Checking Connected USB Devices on a Mac

**To see what USB devices are connected to your Mac, follow these simple steps:**

  • 1. **Go to the Apple menu** – Click on the Apple logo in the top-left corner of your screen.
  • 2. **Select “About This Mac”** – A drop-down menu will appear.
  • 3. **Click on “System Report”** – This will open the System Information window.
  • 4. **Navigate to “Hardware”** – In the left sidebar of the System Information window, find and click on the “Hardware” section.
  • 5. **Click on “USB”** – Under the Hardware section, you will see different hardware categories. Click on “USB” to see all the connected USB devices.

That’s it! Now you will be able to view a comprehensive list of all the USB devices connected to your Mac, including details such as the device’s name, manufacturer, and current status.


1. How do I know if my USB device is connected to my Mac?

If you follow the steps mentioned above, you will be able to see a list of all connected USB devices, including the one you are looking for.

2. Why can’t I see my USB device in the list?

There could be various reasons for this. Make sure your USB device is properly connected and check if it requires any specific drivers or software to function correctly.

3. Can I disconnect a USB device directly from this list?

No, the System Information window only provides information about connected USB devices. To safely disconnect a USB device, you should use the “Eject” option available in the Finder or the menu bar.

4. Can I identify the USB port a device is connected to?

Unfortunately, the System Information window does not provide the information about which specific USB port a device is connected to.

5. What should I do if a USB device is not recognized by my Mac?

First, try disconnecting and reconnecting the device. If the issue persists, restart your Mac and ensure that the device is compatible with your operating system.

6. Is it possible to see more detailed information about a specific USB device?

Yes, by selecting a specific USB device from the list, you can view more detailed information about that device, including its serial number, firmware version, and other technical details.

7. Can I connect multiple USB devices to my Mac?

Yes, you can connect multiple USB devices to your Mac. The number of devices you can connect depends on the available USB ports on your Mac and the power requirements of the connected devices.

8. How can I tell if a connected USB device is charging?

In the System Information window, under the USB section, you will see a column named “Current Available (mA).” If a value is displayed, it means the USB device is charging.

9. Can I use a USB hub to connect multiple devices?

Yes, a USB hub allows you to expand the number of USB ports available on your Mac, enabling you to connect multiple devices simultaneously.

10. How can I update the drivers for a connected USB device?

Usually, macOS automatically installs the necessary drivers for most USB devices. However, you can visit the device manufacturer’s website to check for any available driver updates specific to your device.

11. Can I safely remove a USB device without ejecting it?

No, it is highly recommended to always eject a USB device before physically removing it from the USB port to avoid data corruption or loss.

12. Will ejecting a USB device cause me to lose any data?

No, ejecting a USB device simply ensures that all pending read/write operations are completed before removing the device. It does not result in any data loss.

Now that you know how to check what USB devices are connected to your Mac, you can easily manage and troubleshoot any issues related to your USB peripherals. Remember to always safely eject USB devices before disconnecting them to ensure the integrity of your data. Happy computing!

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