Reply Martin says: September 29, 2015 at 8:39 pm I have a Mid 2011 Mac Mini and only 3 of my 4 USB ports work at a time. Click the Apple logo and click "Restart" to reboot your Mac laptop. I've only been able to get it to work after an SMC reset. Shut down the computer if you don't see one of your USB devices in the device list. Source
I even ran Hardware Diagnostics and the system is ok. I've tried plugging in each device by itself into both the hub and directly into my laptop. I use a lot of external storage and it has been hard to find a USB hub that is fast, connects all my devices at once, and when using a device Reply Renae says: April 12, 2016 at 2:57 pm So I had the same problem with USB ports not working (on a macbook pro).
I replaced the cable and it's the same thing. If, after an SMC reset, and after an NVRAM reset, none of the USB ports are working, and no USB device is working, something else is likely up with the Mac. I'm 99.99% sure none of these hubs are faulty, since I tested it with another computer. Thank you SO much!
https://support.apple.com/en-us/HT201295 Reply Average Joe says: August 12, 2015 at 4:56 pm Stop using quotes unnecessarily. All rights reserved. Release all the keys and the power button at the same time. El Capitan Usb Not Working So sure the device was working, my electrical engineer friend pulled out his Microsoft Surface Tablet, connected the hub, and instantly it worked.
All Rights Reserved. If we look at the "about this Mac" and the "more info" and in the USB device tree section, we see more detailed info such as "Current Available & Current Required". One of the best ways to troubleshoot the issue is by resetting SMC. https://discussions.apple.com/thread/3939949?tstart=0 Reply DJacks says: August 12, 2015 at 11:42 am Anyone else having issues with usb to ethernet?
Yes this is quite technical and maybe only suited for an electronics engineer, but I am not and I can do it. One Usb Port Not Working Macbook Pro One such issue that is often reported is the malfunctioning of USB port or the USB port all of a sudden stops working. Once the Mac is loaded and running check the USB ports and see if they are working properly. How can this help? This exact scenario happened to me recently when I traveled with a MacBook Pro, where mysteriously many hardware functions on the Mac failed simultaneously, with all USB ports ceasing to work
Reproduction without explicit permission is prohibited. this website And just like those applications, a reboot or a reset can fix a problem like a USB port. Macbook Pro Usb Ports Not Working Fix I can also confirm that after months of not having the LeapMotion driver installed, my favorite Anker 3.0 USB has been working like a champ. Imac Usb Ports Not Working Reply lovemyhak says: June 6, 2016 at 12:14 pm Hi Colorado dude w.., Are you using clover ?
God Bless. this contact form Wait at least five seconds, and then press the power button to turn on the Mac. To fix the problem and understand where the real problem lies – whether it is in the port or the USB device itself, an easy way is to use two USB So in case, it can be detected that the particular USB device is deprived of a particular hardware driver that is supplied by the manufacturer in order to function properly. Reset Usb Ports Mac
I've taken it to the Apple Store and the "Genius" tells me there's nothing physically wrong with the ports. If I plug my camera into the USB port and open iPhoto, it shows up. I only have a mouse, keyboard and a 1TB WD elements external drive. http://admitcore.net/not-working/usb-hubs-not-working-windows-xp.html Does this happen to anyone regularly?
Now, once it’s done, you may release all the keys at once. Usb Not Recognized Mac It Might be iTunes. This is particularly true with cheap low quality USB devices and cables.
I have a 2007, 15" mbp, and the port on the MacBook are definitely my problem. This was my first trip to the Apple store, and the guy told me the port was fine. Any solution to this? Usb Devices Disabled Mac Thanks!!!
It's strange and don't know what to do. Restart your Mac: Choose Apple menu > Restart. But in any case, if you are wondering why my USB ports are not working then SMC reset is one of the prominent solutions to it. http://admitcore.net/not-working/usb-hubs-not-working-vista.html Hold the "Command-Option-P-R" keys together before the gray screen appears until you hear the startup sound for the second time.
I haven't found a confirmed solution to this, just scattered observations from those like us who need many USB devices to work. After having the same issue with 3 different hubs and numerous cables, I am out of ideas lol.Click to expand... I tried to switch it on the other side but still the problem is the same. Check the USB hub: If the device is connected to a USB hub, make sure the device and the hub are the same speed.
share Share on Twitter Share on Facebook Email Link Like + Quote Reply (You must log in or sign up to post here.) Show Ignored Content Share This Page Log in Will you please guide me? MacRumors attracts a broad audience of both consumers and professionals interested in the latest technologies and products. I have the latest system software and it still hasn't resolved the issue.
In the window that appears, click Overview, then click the System Report button to open System Information.
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