Nov 19, 2009 5:04 PM Helpful (0) Reply options Link to this post by sekigor, sekigor Jan 28, 2010 9:31 AM in response to ActonBaby Level 1 (0 points) Jan 28, 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, All rights reserved. It's obvious Apple would prefer we go Thunderbolt-to-USB as Apples only offering for a Gigabit-to-Ethernet solution. http://admitcore.net/usb-port/usb-port-imac-not-working.html
The SMC should not need to be reset unless you change a fundamental aspect of your hardware (add ram, swap a drive, etc.). I have an old Macbook Pro (early 2008), and this happens on a regular basis (loss of USB ports). But before going ahead, remember that in many cases it has been found that if the USB device is not working, it is not related to Mac at all - it Luv u! http://osxdaily.com/2015/08/09/mac-usb-ports-not-working-fix/
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 The article is called Fix MacBook, Mac Pro USB Ports Not Working Problemand is located athttp://innov8tiv.com/fix-macbook-mac-pro-usb-ports-not-working-problem/.CaptchaSubmitUSB ports not working in Mac issue is getting contagious. Out of Space - Apple Battery Info. How to Cancel eHarmony Membership Easily?
I have the same thing happening on an iMac 20" (Late 2008). You can check this by trying multiple USBs. So your USB port on your Mac laptop stopped working? Macbook Pro Not Recognizing Usb Hold the "Command-Option-P-R" keys together before the gray screen appears until you hear the startup sound for the second time.
or Won't turn on? Macbook Pro Usb Ports Not Working Fix Macbook pro (El Cap) can't read it. I even ran Hardware Diagnostics and the system is ok. More hints Reply Olivia says: June 29, 2016 at 1:14 pm I tried resetting the SMC on my MacBook Pro, but the light didn't change colour or blink while attempting this.
The moment you get confirmation that the USB port is facing issues and not the USB device, you may reset the SMC, which is quite different from the Mac hardware. Usb Devices Disabled Mac Plug in one of your hard drives or pen drives. These kind of repairs are easier than one would think, there is still hope. I've only been able to get it to work after an SMC reset.
How to Make a Yahoo Account Without a Phone Number? And such issue is rare, but not impossible to come across with any of the Mac devices on the planet like Mac Pro, Mac Mini, iMac, MacBook, MacBook Air, MacBook Pro, Usb Port Not Working Macbook Pro How to Fix USB Ports not working Now let us see some other aspects to learn how to fix USB ports In case, a specific USB port is not functioning, and Reset Usb Ports Mac 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,
Out of Space - Apple Battery Info. navigate here We've got a fix, no matter if it's a MacBook Air or a MacBook Pro. Press Shift+ Control+ Option+ Power for some time - maybe for 1-2 seconds; now when the LED display on the power adapter starts blinking, it means that the SMC is reset How can i manage this problem? Usb Not Recognized Mac
Ok. Anyone and everyone who has an intent to learn and do not want to see an awkward situation can learn the steps in the article so that they can do it It worked on my 13″ Macbook Pro. http://admitcore.net/usb-port/usb-ports-imac-not-working.html I tried restarting the computer, updating software (10.9.5), and resetting the Mac SMC following the directions in this article.
Reply Callum says: February 23, 2016 at 6:00 pm Thank you so much! Mac Not Recognizing Usb Device But, as I mentioned, the iMac's clock continues to work, so the computer itself hasn't 'frozen' ... I really don't care to get it fixed since I'm not in the states and it will cost a lot of money for a very minor issue but I've tried everything
None of that worked. If no USB works, that means the problem is in the USB port. Press the power button to turn on the Mac laptop. Â Extend your MacBook battery life up to 13hrs, and never worry about finding a power outlet again with BatteryBox. El Capitan Usb Not Working You can not post a blank message.
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. one for each port? Press the "Command-Option-Esc" buttons to shut down applications that aren't responding. http://admitcore.net/usb-port/usb-port-is-not-working-in-xp.html Reply Gordon Shephard says: December 9, 2015 at 12:11 pm The whole "Reset the SMC" fix seems like so much cargo cult voodoo to me.
I tried to switch it on the other side but still the problem is the same. Turn the computer back on. Reply Zakhar says: May 5, 2016 at 2:46 am the fixes worked, thanks, whoever made this post. The clock still works when I turn the iMac on, and the cursor arrow appears, but I have no way of controlling it.I put the keyboard and mouse on another Mac,
Reply Sarah Lewis says: January 4, 2016 at 7:22 am Well I'll be goddamn damned, this actually worked. Step 04. This still happens when booting to an external drive. While Apple is working hard to give its fixes officially in the coming updates, there is an easy way to fix USB ports not working in Mac problem.
Once you reset the SMC and reboot the computer, USB hardware functions are reset and they start working again. The Solution to No-Cause Random USB Failure on a Mac: Resetting SMC So, you're confident a USB port is the problem and not the device itself? It is a fix. Fix Mac USB Ports Not Working But first, you must check and confirm that the problem is actually in the USB port and not in the USB itself.
One such unusual case is when the USB ports on a Mac suddenly stop working, seemingly out of the blue. Reply vangelis says: November 30, 2015 at 3:18 pm My problem is this. If you can use the device now, the problem may be with one of the other USB devices or hubs you had connected to your computer. However, it lasted about 24 hours until it showed "cabe unplugged" yet again.
Nov 19, 2009 4:22 PM Helpful (0) Reply options Link to this post by Macaby, Macaby Nov 19, 2009 4:58 PM in response to ActonBaby Level 3 (912 points) Nov 19, In case you are a techie, then naturally you may take it technically and read the manual or refer to any resource to get it sorted out, but to be honest, I have a razer driver that was not working but now works, and my drawing tablet works now!!! Reply With Quote 01-25-2012,09:32 AM #9 Agustín Dib View Profile View Forum Posts Member Since Jan 24, 2012 Posts 14 Originally Posted by lifeisabeach If you reinstalled 10.6 over the existing
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.
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