Fix USB-C problems

Applies to: Windows 10Windows 10 Mobile

USB-C overview


With a USB-C connection, you can charge your Windows 10 PC, and you can also connect to other USB Type-C devices such as mobile phones, docking stations, display adapters, and other devices that have a USB-C port.

USB type-C port

Unfortunately, some combinations of hardware and software may cause problems. If so, you'll be prompted that there’s something wrong with the USB-C connection. We’ve provided some tips below to help you fix things.

The following are some USB-C notifications you might receive if there’s a problem:

You might be able to fix your USB device


 Your USB device ran into a problem. Follow these steps to try to fix it. (Error code ____)

Possible cause Solutions to try
The USB device that your Windows 10 PC (or phone) is connected to reported a problem, or there’s a problem with the device driver.
  1. Find the error code on your Windows 10 PC (or phone) and then note it.
  2. For the error code you see, follow the troubleshooting steps described in the article Error codes in Device Manager in Windows.
 

Slow USB charger connected


To speed up charging, use the charger and cable that came with your device.

Possible causes Solutions to try
  • The charger isn’t compatible with your PC (or phone).
  • The charger isn’t powerful enough to charge your PC (or phone).
  • The charger isn’t connected to a charging port on your PC (or phone).
  • The charging cable doesn’t meet the power requirements for the charger, PC (or phone).
  • Dust or dirt inside the USB port on your device might be preventing the charger from being inserted correctly.
  • The charger is connected to your PC (or phone) through an external hub or dock.
  • Use the charger and cable included with your PC (or phone).
  • Make sure you're connecting your charger to the USB-C charging port on your PC (or phone).
  • Use a can of compressed air to clean the USB-C port on your PC (or phone).

PC (or phone) isn't charging


To speed up charging, use the charger and cable that came with your device.

Possible causes Solutions to try
  • The charger isn’t compatible with your PC (or phone).
  • The charger isn’t powerful enough to charge your PC (or phone).
  • The charger isn’t connected to a charging port on your PC (or phone).
  • The charging cable doesn’t meet the power requirements for the charger, PC (or phone).
  • Dust or dirt inside the USB port on your device might be preventing the charger from being inserted correctly.
  • The charger is connected to your PC (or phone) through an external hub or dock.
  • Use the charger and cable included with your PC (or phone).
  • Make sure you're connecting your charger to the USB-C charging port on your PC (or phone).
  • Use a can of compressed air to clean the USB-C port on your PC (or phone).

The USB device might not work


Try connecting it to a PC.

Possible cause Solutions to try
The version of Windows 10 Mobile that your phone is running doesn’t support the driver for the connected device. For information about the supported devices, see USB device class drivers included in Windows.
  • Make sure your Windows 10 phone has all the latest updates for Windows. To check for the latest updates, on Start , swipe over to the All apps list, and then select Settings > Update & security > Phone update > Check for updates. This lets you check for the latest updates for Windows and the latest device drivers. For more info, see Windows 10 Updates.
  • If your Windows 10 phone is already running the latest version of Windows 10 Mobile, try to connect your device to a Windows 10 PC instead.

USB or Thunderbolt device functionality might be limited


Make sure the device you are connecting to is supported and that you're using the right cable.

Possible cause Solutions to try
  • The connected device or dongle has new features for USB-C that your PC (or phone) doesn’t support.
  • The connected device has new features for USB-C that the cable doesn’t support.
  • The connected device or dongle isn't connected to the correct USB-C port on your PC (or phone).
  • The connected device or dongle is connected to your PC (or phone) using an external hub or dock.
  • Too many other Alternate Mode devices or dongles are connected to your PC (or phone).
  • Make sure your PC (or phone) supports the same USB-C features as the connected device.
  • Make sure the cable supports the same USB-C features as the connected device.
  • Make sure the device or dongle is connected directly to your PC (or phone).

  • Make sure the device or dongle is connected to the USB-C port on your PC (or phone) that supports the correct Alternate Mode. For example, if you're connecting a Thunderbolt Alternate Mode device, make sure it's connected to the USB-C port on your PC (or phone) that supports Thunderbolt.

Display connection might be limited


DisplayPort/MHL connection might not work. Try using a different cable.

Possible cause Solutions to try
  • The connected device or dongle has new features for USB-C that your PC (or phone) doesn’t support.
  • The connected device has new features for USB-C that the cable doesn’t support.
  • The connected device or dongle isn't connected to the correct USB-C port on your PC (or phone).

  • The connected device or dongle is connected to your PC (or phone) using an external hub or dock.

  • There are too many other devices or dongles connected to your PC (or phone) that use a USB-C connection.

  • Make sure your PC (or phone), the external display, and the cable supports DisplayPort or MHL alternate modes.
  • Make sure the device or dongle is connected directly to your PC (or phone).
  • Make sure the device or dongle is connected to the USB-C port on your PC (or phone) that supports the correct Alternate Mode. For example, if you’re connecting a DisplayPort Alternate Mode adapter, make sure it’s connected to the USB-C port on your PC (or phone) that supports DisplayPort Alternate Mode.

These two PCs (mobile devices) can't communicate


Try connecting one of them to a mobile device (PC).

Possible cause Solutions to try
  • You can’t connect two Windows 10 PCs together using a USB-C connection.
  • You can’t connect two Windows 10 phones together using a USB-C connection.

These types of connections aren’t currently supported.

Connect your Windows 10 PC to a Windows 10 phone instead.

Use different USB port


This USB port doesn't support DisplayPort or Thunderbolt or MHL. Plug the USB device into a different USB port on your PC.

- OR -

The USB device might have limited functionality when connected to this port. Plug the USB device into a different USB port on your PC.

Possible cause Solutions to try
  • The connected device or dongle isn't connected to the correct USB-C port on your PC (or phone).
  • The connected device or dongle is connected to your PC (or phone) using an external hub or dock.
  • Make sure the device or dongle is connected directly to your PC (or phone).
  • Make sure the device or dongle is connected to the USB-C port on your PC (or phone) that supports the features of the device or dongle. For example, if you're connecting a Thunderbolt device, make sure it’s connected to the USB-C port on your PC (or phone) that supports Thunderbolt.

USB device might not be working properly


Your PC (or phone) might not provide enough power to the USB device. Plug a power adapter into your USB device, or try to use a different PC (or phone).

Possible cause Solutions to try
  • Your PC (or phone) can't power the connected device because it's not supported.

  • Your PC (or phone) has temporarily limited the amount of power it can provide to the connected device because your PC (or phone) is running on battery power.

  • Your PC (or phone) has temporarily limited the power it can provide to the connected device because it’s providing power to other connected devices instead.
  • The connected device requires more power than the PC (or phone) can provide.
  • If the USB device can be powered externally, plug it into an external power source.
  • Make sure your PC (or phone) is plugged into an external power source and not running on battery power.
  • If you have any other USB devices connected to your PC but aren't using them, disconnect them from your PC.

Unsupported USB audio adapter


Connect a USB-C digital audio adapter instead.

Possible cause Solution to try

The connected audio adapter isn’t supported by your PC.

 

 

If you have a USB-C analog audio adapter connected to your PC, unplug it, then connect a USB-C digital audio adapter instead.