Restart your computer. Sometimes you get lucky, and the easiest solution ends up fixing the biggest. Restart the Computer. Sometimes, you are just very lucky enough to fix this USB socket not working. Disconnect USB Keyboard and Restart. Disconnect the USB Keyboard and Restart your computer. So your USB port on your Mac laptop stopped working? We've got a fix, no matter if it's a MacBook Air or a MacBook Pro. 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, rather than your MacBook.
This article explains how you can fix when your Apple USB keyboard isn't working as expected. If you see an error message, your keyboard keys suddenly stop working, your Mac is no longer recognizing your USB keyboard and you can't figure out why; this article will help you fix your problem.
This is an important problem because you will not be able to use your Mac without a keyboard. Your keyboard is the main mode of input.
See also: Keyboard double space problem.
USB Keyboard fixes:
After each step please test to see if your keyboard is working:
1. Restart your Mac. It is simple but effective. Restarting your Mac may fix your issue. To restart your Mac, click the Apple menu > Restart.
2. Check your keyboard batteries if applicable. Some USB keyboards have batteries. Open the battery part of the keyboard and check to see if the batteries are placed correctly. Also, try replacing the batteries.
3. Check the USB connections. It is possible that your Keyboard is not properly connected to your computer. Try the following tips:
- Switch the keyboard's cable to another USB port on the same Mac, if possible.
- Unplug your keyboard and replug it into your Mac firmly and securely.
- Ensure that there is not anything (debris, dirt, etc) obstructing the connection in the USB port. If there is, try to remove it.
- Disconnect all connected devices from your Mac. These can be a mouse, keyboard, printer, etc. Now reconnect your keyboard and mouse back into your computer. If you can use your Keyboard now the problem may be with one of the other devices. What you can do is to try replugging them one by one until you find the device that is causing the problem.
4. Reset the SMC of your Mac. Your USB port may be having a power-related problem and resetting the system management controller (SMC) can fix your problem with your keyboard.
- It is highly likely that this is a desktop computer. If it is, resetting the SMC is very simple. Follow the steps below:
- Shut down your Mac by choosing Shut Down from the Apple menu.
- Unplug it from the power outlet.
- Wait about 15 seconds.
- Now replug it into the power outlet.
- Wait another 5 seconds.
- Now start up your Mac by pressing the power button.
- If this is a Mac Notebook, the steps are a little different. We previously wrote about this topic. Please see that article on how you can reset the SMC.
5. Reset NVRAM or PRAM on your Mac. This is really easy. Here is how:
- Turn off your Mac.
- Turn on your Mac and quickly press Option, Command, P, and R keys together.
- Keep holding the keys for about 20 seconds.
- Then release the keys. Your Mac will restart.
6. Update your Mac. Update the software on your Mac. Here is how:
- If your current macOS version is Mojave or later (e.g., Catalina): On your Mac, go to Apple menu > System Preferences > Software Update. This will check for updates. If there is an update available, click the Update Now button.
- Other macOS versions: Launch the App Store on your Mac and click Updates.
7. Boot into Safe Mode. Restart your Mac in Safe Mode. Here is how:
- Turn off your Mac.
- Turn on your Mac and quickly press and hold the Shift key.
- Keep holding the Shift key until you see the login screen. Safe Mode can take up to 10 minutes so be patient.
- When your computer is in Safe Mode, test your keyboard, is it working now?
- In any case, restart your Mac normally. Do not press the Shift key.
- When your computer restarts, test your keyboard again. Did Safe Mode fix it?
8. Delete preference files. Your preference file may be corrupt and deleting it may resolve your issue. Here is how:
- Open the Library folder. You can open this folder by following the steps below:
- On your Mac, click the Finder icon in the Dock.
- In the Finder, click Go.
- Hold down the Option key and you will see the Library folder in the Go dropdown menu. Click it to open.
- Click Preferences.
- Find the 'com.apple.HIToolbox.plist' file. This is the Human Interface Toolbox settings file. The file stores keyboard default settings.
- Delete this file.
- Restart your Mac.
- Does your keyboard work now?
Sitemap for mac. If you are still unable to use your USB keyboard, you may want to contact its manufacturer for support.
Does your USB drive or external hard drive fail to show up on Windows PC since the USB port is not working? Follow the four methods within the page to fix 'USB port not working' error on Windows 10/8/7, and apply powerful hard drive data recovery software to recover data from a corrupted USB drive if necessary.
To fix USB Port Not Working on Windows 10/8/7 problem, the basic way is to restart your computer and change the USB cable. If these don't work, there still are some advanced solutions to troubleshoot.
| Workable Solutions | Step-by-step Troubleshooting |
|---|---|
| Fix 1. USB port not working fixes |
|
| Fix 2. Restore data from USB | After repairing the not working USB port in Windows PC, you can reuse it now. If the storage devices are still inaccessible and you cannot read any saved data, you need to use a hard drive recovery..Full steps |
USB port stops working after removing or inserting a USB drive
'Hi there, do you know how to make a USB, an external hard drive or an SD card etc. portable storage devices to be detectable or show up in PC when the USB port is not working?
I tried to connect my device to other USB cables on my PC, but still, nothing showed up. If you have any ideas on how to repair a not working USB port and make storage devices detectable on Windows 10, please let me know. Thanks.'
A USB port allows USB devices such as USB flash drive, pen drive, external hard drive or SD card etc devices to be connected to the computer or other digital devices and guarantees the transfer of digital data through USB cables. When a USB port fails to work or stops working, Windows PCs or laptops won't be able to read or detect these external storage devices. So how do you make digital storage devices detectable and make USB port work again in Windows 10/8/7?
Relax and here in the below, you'll find reliable methods to effectively repair not working USB ports and make external storage devices detectable again without losing any data in two steps.
Quickly fix the 'USB port not working' error
When your USB flash drive, pen drive, SD card or external hard drive fails to show up on your PC due to not working USB port, you may try the two quick fixes below to get your problem solved:
1. Restart the PC and reconnect your devices to the USB port
Try to restart your PC and reconnect your portable devices to the PC again, then check out whether your devices can be read or not.
2. Change USB cable
If your USB or SD card etc devices are still undetectable by your PC, don't worry. Next, try to reconnect your devices to the PC with another new USB cable. Then you'll see whether problem is solved or not.
If not, don't worry and just follow the two steps below to get 'USB port not working' issue fixed in Windows 10/8/7 now.
Fix 'USB port not working' without losing data
By following the two parts below, you will get the USB port not working issue fixed and repair the USB port to work again:
Part 1. Fix 'USB port not working' issue on Windows PC
Here you have two methods to repair and fix USB drive not working issue in Windows 10/8/7 PC and you may follow either one to get repair USB port which has stopped working now:
Method 1. Fix 'USB port not working' error with Universal Serial BUS controller
1. Right-click on Windows logo > Select Device Manager.
2. Expand 'Universal SerialBUS controllers' > Find the device with a yellow exclamation mark.
3. Right-click on it and select 'Update Driver Software..' > Choose 'Search automatically for updated driver software'.
4. If there is no new update, right-click and select Uninstall > OK.
5. Go to the Action tab in the Device Manager window > Select Scan for hardware changes > Then the USB port will appear.
After this, reconnect your portable devices to your PC and there your USB or SD card etc devices will show up on your PC now.
If it still not working, relax and follow Method 2 to get your issue solved.
Method 2. Fix 'USB port not working' issue with Windows Troubleshooter
1. Type: troubleshoot in the search bar and click Troubleshooting.
2. Go to 'Hardware and Sound' > 'Hardware and Devices' > Click on Advanced and check Apply repairs automatically.
3. Click Next and let the program check and fix existing problems in your drive > Click Apply this fix and click Next.
4. Click Enable, close Troubleshooter and restart your PC to keep all changes.
After finishing the process, you should be able to use your USB drive or external hard drive etc portable devices to save or transfer data to your PC again.
Part 2. Restore data from USB etc devices after fixing a not working USB port
After repairing the not working USB port in Windows PC, you can now try to connect your USB or SD card etc portable storage devices to your PC to transfer data.
If the storage devices are still inaccessible and you cannot read any saved data, don't worry. Use powerful hard drive data recovery software - EaseUS Data Recovery Wizard to find your data within 3 simple steps.
Just download this software for free and follow these steps below to restore lost data from portable USB or other devices on Windows 10/8/7 now:
Step 1. Run USB data recovery software.
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Connect the USB flash drive to your computer and launch EaseUS USB data recovery software on your PC. Select your USB drive which marks as a removable disk, and click 'Scan' to start finding your lost files.
Step 2. Scan all lost files from USB.
EaseUS Data Recovery Wizard will thoroughly scan your USB flash drive and find all your lost data on it. After the scanning process, use the Filter feature to filter a specific file type. You can check and preview found USB files in this program.
Step 3. Restore all lost files from USB.
Usb Ports On Mac Monitor Not Working
A double-click will allow you to preview the file results. Choose the target files and click 'Recover' to save them to a secure location on your PC or other external storage devices.
- It is highly likely that this is a desktop computer. If it is, resetting the SMC is very simple. Follow the steps below:
- Shut down your Mac by choosing Shut Down from the Apple menu.
- Unplug it from the power outlet.
- Wait about 15 seconds.
- Now replug it into the power outlet.
- Wait another 5 seconds.
- Now start up your Mac by pressing the power button.
- If this is a Mac Notebook, the steps are a little different. We previously wrote about this topic. Please see that article on how you can reset the SMC.
5. Reset NVRAM or PRAM on your Mac. This is really easy. Here is how:
- Turn off your Mac.
- Turn on your Mac and quickly press Option, Command, P, and R keys together.
- Keep holding the keys for about 20 seconds.
- Then release the keys. Your Mac will restart.
6. Update your Mac. Update the software on your Mac. Here is how:
- If your current macOS version is Mojave or later (e.g., Catalina): On your Mac, go to Apple menu > System Preferences > Software Update. This will check for updates. If there is an update available, click the Update Now button.
- Other macOS versions: Launch the App Store on your Mac and click Updates.
7. Boot into Safe Mode. Restart your Mac in Safe Mode. Here is how:
- Turn off your Mac.
- Turn on your Mac and quickly press and hold the Shift key.
- Keep holding the Shift key until you see the login screen. Safe Mode can take up to 10 minutes so be patient.
- When your computer is in Safe Mode, test your keyboard, is it working now?
- In any case, restart your Mac normally. Do not press the Shift key.
- When your computer restarts, test your keyboard again. Did Safe Mode fix it?
8. Delete preference files. Your preference file may be corrupt and deleting it may resolve your issue. Here is how:
- Open the Library folder. You can open this folder by following the steps below:
- On your Mac, click the Finder icon in the Dock.
- In the Finder, click Go.
- Hold down the Option key and you will see the Library folder in the Go dropdown menu. Click it to open.
- Click Preferences.
- Find the 'com.apple.HIToolbox.plist' file. This is the Human Interface Toolbox settings file. The file stores keyboard default settings.
- Delete this file.
- Restart your Mac.
- Does your keyboard work now?
Sitemap for mac. If you are still unable to use your USB keyboard, you may want to contact its manufacturer for support.
Does your USB drive or external hard drive fail to show up on Windows PC since the USB port is not working? Follow the four methods within the page to fix 'USB port not working' error on Windows 10/8/7, and apply powerful hard drive data recovery software to recover data from a corrupted USB drive if necessary.
To fix USB Port Not Working on Windows 10/8/7 problem, the basic way is to restart your computer and change the USB cable. If these don't work, there still are some advanced solutions to troubleshoot.
| Workable Solutions | Step-by-step Troubleshooting |
|---|---|
| Fix 1. USB port not working fixes |
|
| Fix 2. Restore data from USB | After repairing the not working USB port in Windows PC, you can reuse it now. If the storage devices are still inaccessible and you cannot read any saved data, you need to use a hard drive recovery..Full steps |
USB port stops working after removing or inserting a USB drive
'Hi there, do you know how to make a USB, an external hard drive or an SD card etc. portable storage devices to be detectable or show up in PC when the USB port is not working?
I tried to connect my device to other USB cables on my PC, but still, nothing showed up. If you have any ideas on how to repair a not working USB port and make storage devices detectable on Windows 10, please let me know. Thanks.'
A USB port allows USB devices such as USB flash drive, pen drive, external hard drive or SD card etc devices to be connected to the computer or other digital devices and guarantees the transfer of digital data through USB cables. When a USB port fails to work or stops working, Windows PCs or laptops won't be able to read or detect these external storage devices. So how do you make digital storage devices detectable and make USB port work again in Windows 10/8/7?
Relax and here in the below, you'll find reliable methods to effectively repair not working USB ports and make external storage devices detectable again without losing any data in two steps.
Quickly fix the 'USB port not working' error
When your USB flash drive, pen drive, SD card or external hard drive fails to show up on your PC due to not working USB port, you may try the two quick fixes below to get your problem solved:
1. Restart the PC and reconnect your devices to the USB port
Try to restart your PC and reconnect your portable devices to the PC again, then check out whether your devices can be read or not.
2. Change USB cable
If your USB or SD card etc devices are still undetectable by your PC, don't worry. Next, try to reconnect your devices to the PC with another new USB cable. Then you'll see whether problem is solved or not.
If not, don't worry and just follow the two steps below to get 'USB port not working' issue fixed in Windows 10/8/7 now.
Fix 'USB port not working' without losing data
By following the two parts below, you will get the USB port not working issue fixed and repair the USB port to work again:
Part 1. Fix 'USB port not working' issue on Windows PC
Here you have two methods to repair and fix USB drive not working issue in Windows 10/8/7 PC and you may follow either one to get repair USB port which has stopped working now:
Method 1. Fix 'USB port not working' error with Universal Serial BUS controller
1. Right-click on Windows logo > Select Device Manager.
2. Expand 'Universal SerialBUS controllers' > Find the device with a yellow exclamation mark.
3. Right-click on it and select 'Update Driver Software..' > Choose 'Search automatically for updated driver software'.
4. If there is no new update, right-click and select Uninstall > OK.
5. Go to the Action tab in the Device Manager window > Select Scan for hardware changes > Then the USB port will appear.
After this, reconnect your portable devices to your PC and there your USB or SD card etc devices will show up on your PC now.
If it still not working, relax and follow Method 2 to get your issue solved.
Method 2. Fix 'USB port not working' issue with Windows Troubleshooter
1. Type: troubleshoot in the search bar and click Troubleshooting.
2. Go to 'Hardware and Sound' > 'Hardware and Devices' > Click on Advanced and check Apply repairs automatically.
3. Click Next and let the program check and fix existing problems in your drive > Click Apply this fix and click Next.
4. Click Enable, close Troubleshooter and restart your PC to keep all changes.
After finishing the process, you should be able to use your USB drive or external hard drive etc portable devices to save or transfer data to your PC again.
Part 2. Restore data from USB etc devices after fixing a not working USB port
After repairing the not working USB port in Windows PC, you can now try to connect your USB or SD card etc portable storage devices to your PC to transfer data.
If the storage devices are still inaccessible and you cannot read any saved data, don't worry. Use powerful hard drive data recovery software - EaseUS Data Recovery Wizard to find your data within 3 simple steps.
Just download this software for free and follow these steps below to restore lost data from portable USB or other devices on Windows 10/8/7 now:
Step 1. Run USB data recovery software.
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Connect the USB flash drive to your computer and launch EaseUS USB data recovery software on your PC. Select your USB drive which marks as a removable disk, and click 'Scan' to start finding your lost files.
Step 2. Scan all lost files from USB.
EaseUS Data Recovery Wizard will thoroughly scan your USB flash drive and find all your lost data on it. After the scanning process, use the Filter feature to filter a specific file type. You can check and preview found USB files in this program.
Step 3. Restore all lost files from USB.
Usb Ports On Mac Monitor Not Working
A double-click will allow you to preview the file results. Choose the target files and click 'Recover' to save them to a secure location on your PC or other external storage devices.
Fix Usb Ports Windows 10
After this, you can reformat the portable storage devices into NTFS or FAT32 so to make it reusable for storing or transferring data again.
