Can I use a USB cable to connect 2 USB 3 device to my computer?
Yes, if the cable end may be connected to the connector on the device. However, since the USB cable 2 has fewer internal cables, you will not get the speeds offered by USB 3 ports, and power may be limited to 500 mA.
Solving problems with USB devices 3 on your Mac
See the information below to resolve problems you may encounter when using USB 3 devices with your Mac.
How do I know if my device is connected as a USB 3 device?
Use the System Profiler:
- From the Apple menu, choose About This Mac.
- Click System Report.
- Under the header equipment on the left side of the window System Profiler, click USB.
USB devices are listed under Bus 3 USB 3.0 and 2 USB devices are listed under USB 2.0 Bus. Click the name of a 7-port USB hub for details.
Why my USB 3 devices they seem to work only to the USB 2 speed when using virtualization software on my Mac?
Some virtualization software does not yet support USB 3. Contact the manufacturer of your virtualization software for more.
Why some USB devices 3 do they not activate or do they not appear on the USB bus 3?
Follow the tips below if a USB device 3 is not activated or not displayed on the USB bus 3:
- Make sure you have installed the latest software updates available for your computer.To find out, choose Apple App Store in the menu and see if updates are available.
- Sometimes unplugging and then reconnecting the device solves the problem.
- Try plugging the device into another USB port on the computer.
- Check with the manufacturer if an update of the firmware is available for your device.
- If the device was supplied with an AC adapter, use it.
- Restart the computer.
- Try using a different USB cable 3.
- Try using another USB hub 3.
Why do I sometimes difficulties with Wi-Fi or Bluetooth devices when USB 3 devices are connected to my computer?
Some USB 3 devices, including hard drives, can cause radio frequency interference, which may themselves prevent Wi-Fi devices using Bluetooth and a 2.4 GHz band to communicate properly with your computer.
Do not place hard drives or other USB devices behind your Mac or near the hinge of the screen. Wi-Fi and Bluetooth antennas are located at these locations. Therefore, it is possible that the USB devices 3 in the same position interfere with your wireless connections.
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