Apple Macbook Air Usb Port Not Working

Before we get into the software fixes, let's start with the simplest solution of all: restarting your Mac. Switch the Mac off and back on again. You'll be surprised at how many problems a quick restart solves.

Jun 18, 2020 A new problem is coming to light with Apple's new MacBook Pro and MacBook Air machines. Users are reporting compatibility issues with USB 2.0 devices. If the USB ports of your MacBook Pro keep malfunctioning, and you've already checked and confirmed that the USB device(s) you're trying to connect are not the culprit, you may. Aug 09, 2015 Boot the MacBook Pro / Air by hitting the power button as is typical The USB ports on the MacBook should now work just fine, which you can confirm by connecting the USB device as usual and checking to be sure that it works – if it's still not working, try another USB port, and try another USB device.

Next, check the USB device. There's a chance that it could have failed, particularly so if you're using a cheaper cable. Inspect the device visually, looking for damage to the connector and any signs of frayed wiring. If there is no apparent damage, take two different USB devices and test them against different ports. If the devices aren't working on one or all of the ports it's more likely to be an issue with your Mac and not the device.

A USB device that works on one port but not another is a sign of a faulty port. If this is the case, the only real solution is to contact an authorized Mac specialist for a hardware diagnostics test and have the port repaired.

If the device doesn't work in any of your ports, then continue reading for some potential fixes.

What to do if Mac USB devices are not working

All of your Mac or MacBook USBs not working is actually better news than one failing. It's unlikely that all of your ports would fail at once which means the fix is probably an easy one.

Here are three things to try, starting with the most common fix.

1. Reset the SMC

Usb Port For Macbook Air

Resetting the SMC (System Management Controller) is a simple fix that cures a wide range of hardware issues. How this is done depends on whether you're using a MacBook or Mac desktop.

Resetting the SMC on a MacBook

Macbook Air No Usb Port

1. Shutdown your MacBook.
2. Connect the power adapter.
3. Hold Shift+Control+Option and the Power button at the same time.
4. Release all the keys at the same time.
5. Let your MacBook boot up as usual and the SMC will be reset.

Resetting the SMC on an iMac, Mac mini, or Mac Pro

1. Shut down your Mac.
2. Disconnect the power cord.
3. Press and hold the Power button for 5 seconds and release.
4. Reconnect the power cord and switch the Mac back on.

2. Check for updates

Outdated firmware and software results in various hardware issues, including... Yep — Mac USB ports not working.

Check for system updates by opening the App Store and clicking on the Updates tab. If updates are available, click on the Update button next to each application that you want to install.

3. Reset PRAM/NVRAM

The PRAM (Parameter RAM) and NVRAM (Non-Volatile RAM) hold information about various USB components. Resetting them could be the solution to your USB woes.

It's a slightly different process to resetting the SMC, but no less difficult.

1. Shutdown your Mac.
2. Restart it, holding down Command+Option (ALT)+P+R as you do.
3. Hold down the keys until you hear a sound and see the screen flash.
4. Listen for the chime sound and let the Mac boot up as usual.

4. Uninstall potentially conflicting apps

Apple Macbook Air Usb Port Not Working Remotely

If the USB ports not working on your MacBook Pro or iMac is a recent issue and there doesn't seem to be any problem with USB devices, it could be that an app is conflicting with USB functionality. If you've downloaded an app from an unknown source there is the potential for it to contain malware, which could also be the cause of the problem.

In any case, it's worth uninstalling recently downloaded and installed apps. If they aren't the reason for the USB ports acting up, you can easily reinstall them from the App Store.

One way to remove apps is to use Launchpad or Finder. Or you can use a quicker, more effective method: CleanMyMac X.

To completely remove an app and every file associated with that app, use CleanMyMac.

Macbook Air

CleanMyMac's Uninstaller tool scans your entire system for every trace of an app and completely removes it. Using the tool is every bit as easy as deleting an app manually.

1. Download and launch CleanMyMac (free download).
2. Click on Uninstaller from the sidebar menu.
3. Select the app that you want to remove from the list.
4. Click Complete Removal in the Smart Selector panel.
5. Hit Uninstall.

While CleanMyMac lets you uninstall apps in bulk, in this case, you should delete apps one at a time until you find the culprit. CleanMyMac also lets you clean up unwanted junk, declutter your Mac and improve performance.

One way to uninstall apps manually is by using the Launchpad:

1. Open the Launchpad.
2. Find the app that you want to remove and click and hold the icon until it starts to jiggle.
3. Click on the X that appears in the corner of the app, then click Delete.

You can also uninstall apps from the Finder:

1. Open the Finder and go to Applications.
2. Find the app that you want to remove and drag its icon to the Trash (you might need to enter your admin credentials to confirm you want to delete the app).
3. Click on the Trash icon and select Empty Trash.

Apple Macbook Air Usb Port Not Working Lenovo

Having one or more USB ports not working on your Mac can be hugely frustrating, especially if you rely on those ports for data backup and external peripherals. That said, USB problems are quite rare and are usually easy to fix. Work your way through these troubleshooting tips until you find the one that works and restore your Mac to its full glory.

Possible Fixes for El Capitan or Later

You should try each, one at a time, then test to see if the problem is fixed before going on to the next.

Be sure to backup your files before proceeding if possible.

1. Shutdown the computer, wait 30 seconds, restart the computer.
2. Start the computer in Safe Mode, then restart normally. This is slower than a standard startup.
3. Repair the disk by booting from the Recovery HD. Immediately after the chime hold down the Command and R keys until the Utility Menu appears. Choose Disk Utility and click on the Continue button. Select the indented (usually, Macintosh HD) volume entry from the side list. Click on the First Aid button in the toolbar. Wait for the Done button to appear. Quit Disk Utility and return to the Utility Menu. Restart the computer from the Apple Menu.
4. Create a New User Account Open Users & Groups preferences. Click on the lock icon and enter your Admin password when prompted. On the left under Current User click on the Add [+] button under Login Options. Setup a new Admin user account. Upon completion log out of your current account then log into the new account. If your problems cease, then consider switching to the new account and transferring your files to it - Transferring files from one User Account to another.
5. Download and install the or 10.12.6 Combo Update or macOS High Sierra 10.13.2 Combo Update as needed.
6. Reinstall OS X by booting from the Recovery HD using the Command and R keys. When the Utility Menu appears select Reinstall OS X then click on the Continue button.
7. Erase and Install OS X Restart the computer. Immediately after the chime hold down the CommandandRkeys until the Apple logo appears. When the Utility Menu appears:

1. Select Disk Utility from the Utility Menu and click on Continue button.
2. When Disk Utility loads select the drive (out-dented entry) from the Device list.
3. Click on the Erase icon in Disk Utility's toolbar. A panel will drop down.
4. Set the Format type to Mac OS Extended (Journaled.)
5. Click on the Apply button, then wait for the Done button to activate and click on it.
6. Quit Disk Utility and return to the Utility Menu.
7. Select Reinstall OS X and click on the Continue button.

If nothing above does the trick then you may have a hardware failure.

Dec 28, 2017 6:42 PM