If you think that the cable and the device are not the issue, you should check the ports themselves. If so, you might need to pay closer attention to your Mac’s USB ports.

Use the same cable but connect your device to another Mac or other type of computer and see if it works. You can also try a different computer to isolate the problem. It might require additional software or driver updates to be compatible with the current macOS version. Tip: alternatively, you may check the external device compatibility on the manufacturer’s official website. Connected successfully? Great, your Mac is fine (sadly, your USB device is not). As you might do if your Bluetooth isn't working, you can try connecting another Mac device instead. Sometimes, the USB device itself is the root of the problem, which has nothing to do with Mac hardware. That’s because certain drives need more power than others, and therefore they require cables that can provide that. If you’re trying to connect your Mac to an external hard drive, you may find that some cables work better than others. Next, ensure that the cable has sufficient power to supply your device with. If that’s on point, try taking it out and plugging it back in very slowly. Make sure that both ends of the cable fit tightly in their ports. You might think it’s your MacBook USB ports not working, but often the actual problem resides in the cable that connects a device to the computer. Just optimize your Mac regularly to avoid many of these cases in the future.ĭownload MacKeeper and let it do all the dirty work for you! Track app updates, manage login items and control your Mac’s memory - all in one app.

If your Mac doesn’t recognize a USB, the actual problem may be poor overall performance. This article will explore why the USB port may not work on your Mac and what to do about it. Compatible with USB 2.0 and 1.1 specifications.When a USB port suddenly stops working, it can get really annoying.Saves on syncing time with data transfer rates of up to 5 Gbps.Easy to set up, Plug & Play, Hot swappable.Blue LED indicator reveals the power status.Supports SD, SDXC (up to 2TB), SDHC, Micro SD, Micro SDXC, Micro SDHC cards.Adds three USB 3.0 ports and SD/TF card reader to your computer.Ultra-thin with long-lasting premium aluminum material.

Please Note: It is exclusively designed for iMac released November 2012 or later.(21 inch/ 27inch/ 5K) With a slim design, it saves you precious desktop space. It does not require any software or complicated installation process. There is no more need to twist cables to get to the ports vertically, Now you can easily access USB ports and additional 2 slots card reader at an ergonomic angle! Its sleek aluminum design the perfect complement to your iMac computer. It adds three USB 3.0 ports and SD/TF card reader slots to the front side of your iMac. Rocketek Ultra-thin Premium Aluminum 3-Port USB 3.0 Hub with SD/TF Card Reader Combo is exclusively designed for iMac.

Usb hub for imac 2012