Reply Colorado dude w a hackintosh says: February 4, 2016 at 12:39 pm This worked great on my big-box hackintosh. Reply Pete says: November 21, 2015 at 9:18 am How much power can you get before this trips out? Apparently it resets the NVRAM (Non-Volatile RAM), not sure what that has to do with USB ports, but it worked. Did PRAM and SMC reset, nothing solved this. navigate here
But since we're talking about OS X, can't wait for OS X 10.12.1, right?Anyone? USB port#1 however was working as normal. Apple Footer Apple Support More ways to shop: Visit an Apple Store, call 1-800-MY-APPLE, or find a reseller. First and foremost, keep in mind that sometimes a USB device itself can fail, which may have nothing to do with the Mac itself. useful source
It worked on my 13″ Macbook Pro. I was trying to boot a debian Linux version from a USB stick (SanDisk 64Gb) and after freezing at the boot screen I had to do a hard reboot - 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. All rights reserved.
March 16 by Dan First test you systems USB ports. Reply Suzy on August 5, 2015 at 7:35 pm This worked brilliantly! The odd thing is that every time I reboot or startup the mini it alternates to the next one, so it's not just an actual port that is dead, it's either Usb Not Recognized Mac NOTE:There are two different MacBooks.
Reply Carmen Sisson says: March 9, 2016 at 12:35 pm Thanks so much. Macbook Pro Not Recognizing Usb Still looking for a fix. Step 06. Reply pntblog on December 1, 2015 at 5:41 pm It could be the Apple mouse ?
Reply vangelis says: November 30, 2015 at 3:18 pm My problem is this. Usb Devices Disabled Mac Rebooting the Mac resets certain hardware conditions, which may lead to a solution to USB port issues. 2 Reset the PRAM PRAM, or parameter random-access memory, is a part of the Original problem persists, so I can only assume SMC reset did not occur, but not certain because no other indicators. Reply Paul says: April 12, 2016 at 3:48 pm Renae, this is very helpful information, thanks for reporting exactly what worked for you to fix your MacBook Pro USB ports when
Check all USB devices one at a time until you have found all the USB Devices that do not work. https://www.getbatterybox.com/pages/how-to-reset-usb-ports-on-mac-laptop Unfortunately, the computer did not recognize any devices connected into the USB hub. Macbook Pro Usb Ports Not Working Fix Reply blanco says: December 9, 2015 at 12:15 pm SMC reset is not voodoo, the System Management Controller is firmware that controls much of the hardware on the device (USB, power, Imac Usb Ports Not Working How to Fix USB Ports on Mac?
Thank you guys. check over here But the left one keeps reconnecting my iPhone 4S (iOS 6 Beta3) every 20 seconds. Before we get to fixing the MacBook, keep in mind that things like flash drives, external hard drives, mice, keyboards and other peripherals may have broken and are causing the problem, If you detect a liquid damage, then it’s time to take immediate action and dry your Mac because in case the moisture remains for a longer period then there are high Reset Usb Ports Mac
It is sometimes useful after a major OS update to reset battery usage as well, but having to reset it frequently is a *symptom*, not a "fix". This update addresses an issue that may prevent a USB keyboard from being recognized after the system wakes from sleep." The above is taken from the Apple Support website. Make sure that the device is connected directly to the computer, and that any hubs or extension cables are disconnected. his comment is here Try to use the Apple mouse on a different Mac.
The USB port issue seen here is the USB power services from the Mac was damaged by a bad device (fuse blown) Its it possible you are using the wrong external One Usb Port Not Working Macbook Pro Reproduction without explicit permission is prohibited. It's obvious Apple would prefer we go Thunderbolt-to-USB as Apples only offering for a Gigabit-to-Ethernet solution.
It comes and goes so it's hard to isolate. Submit Cancel One Moment Please Thanks for your feedback. 8% of people found this helpful. Twice…. Mac Not Recognizing Usb Device Click the Apple menu and click "Sleep." Wait a few seconds, and then press any key to wake the computer.
Reply Mac says: February 6, 2016 at 9:43 pm Hi Guys, after reading all the responses, first off, if the above stated solution works, then good. While there may be several reasons (or no reason) for USB ports ceasing to function with no cause, the good news is that it's typically a very easy fix. Write For Us Related Posts How to Authorize a Computer on iTunes Disha Rajani How to Reset If You Forgot iCloud Password? weblink Please type your message and try again. Booze S Level 1 (1 points) Q: macbook pro usb ports not working This just started about a month ago.
I will try it and post my findings. Unplug connected USB devices if the ports are still not working. But when I connect my USB or Mp3, its doesn't work. How can i manage this problem?
Reply Birther says: August 9, 2015 at 6:53 pm Just reconnect your USB cable from the hard drive to your Mac, it has nothing to do with OS X Yosemite or On the built-in keyboard, press the (left side) Shift-Control-Option keys and the power button at the same time. Yes No Voted Undo Score 5 Cancel Comments: What happens when you use a Powered USB hub to connect to a printer. If multiple USB devices are not working on a particular port, or all ports, then it's obviously less likely to be a device issue, and more likely to be related to
I have taken the machine to the “Genius Bar” at the Mac store and their only solution was to replace the Logic board all at once for $280. Reply Samodelkin says: August 11, 2016 at 6:53 am USB hub issues ("USB Device Needs Power" alert when plugged in into the hub) can be fixed with this kext: https://github.com/mkhon/USBHubPowerFix Reply Reply Eric says: August 10, 2015 at 7:35 am Not to downplay this "fix", but I was really hoping for a bit more of an explanation as to *why* the SMC Do not give advice if you don't know what you are talking about.
The first step in our USB port troubleshooting is the easiest one: a simple reset of the Mac. Press the icon in top left of screen Click Restart Wait for All rights reserved. I finally went to Apple to get the latest MAC OS update - installed it and restarted and voila!!! Reply Chris on January 16, 2016 at 11:13 pm This did nothing for me.
I spent some time yesterday troubleshooting the logic board looking for any components that may be malfunctioning. This worked like a charm! Yes this is quite technical and maybe only suited for an electronics engineer, but I am not and I can do it. USB ports are often used for high-speed data transfers; however, hardware problems can make them faulty.
Step 04. Some of the recommended solutions I have tried are: Resetting the SMC and resetting the PRAM following the methods describe in different Mac forums. If one isn't that device might be faulty which can make other USB Devices not operate properly.