Fix USB-C problems

Se aplica a: 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 this happens, you may get a notification that there’s something wrong with the USB-C connection. We’ve provided some tips below to help you fix things. And if you want to change whether you see notifications about USB issues, here's how:

  1. Select the Start  button, then select Settings > Devices > USB.

    Open USB settings
     
  2. Select or clear the Notify me if there are issues connecting to USB devices box.

Here 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 ____)

Try these solutions Possible cause
  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 Error codes in Device Manager in Windows.
 
The USB device that you connected to reported a problem, or there’s a problem with the device driver.

Slow USB charger connected


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

Try these solutions Possible causes
  • 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 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 isn't powerful enough for the charger, PC, or phone.
  • Dust or dirt inside the USB port on your device prevented the charger from being inserted correctly.
  • The charger is connected through an external hub or dock.

PC (or phone) isn't charging


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

Try these solutions Possible causes
  • 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 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.

The USB device might not work


Try connecting it to a PC.

Try these solutions Possible cause
  • 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.
There's a driver in the device you connected to that isn't supported in the version of Windows 10 Mobile your phone is running. For information about the supported devices, see Universal Serial Bus (USB).

USB or Thunderbolt device functionality might be limited


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

Try these solutions Possible causes
  • 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 you connect to the USB-C port that supports Thunderbolt.
  • The device or dongle you connected to has new features for USB-C that your PC (or phone) doesn’t support.
  • The device you connected to has new features for USB-C that the cable doesn’t support.
  • The device or dongle isn't connected to the correct USB-C port on your PC (or phone).
  • The device or dongle is using an external hub or dock to connect to your PC (or phone).
  • Too many other Alternate Mode devices or dongles are connected to your PC (or phone).

Display connection might be limited


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

Try these solutions Possible causes
  • Make sure your PC (or phone), the external display, and the cable all support 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, a DisplayPort Alternate Mode adapter should be connected to the USB-C port on your PC (or phone) that supports DisplayPort Alternate Mode.
  • The device or dongle you connected to has new features for USB-C that your PC (or phone) doesn’t support.
  • The device you connected to has new features for USB-C that the cable doesn’t support.
  • The device or dongle isn't connected to the correct USB-C port on your PC (or phone).
  • The 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.

These two PCs (mobile devices) can't communicate


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

Try this solution Possible causes
Connect your Windows 10 PC to a Windows 10 phone instead. These types of connections aren’t currently supported:
  • Connecting two Windows 10 PCs together with a USB-C connection.
  • Connecting two Windows 10 phones together with a USB-C connection.

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.

Try these solutions Possible causes
  • 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.
  • The device or dongle isn't connected to the correct USB-C port on your PC (or phone).
  • The device or dongle is connected to your PC (or phone) using an external hub or dock.

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).

Try these solutions Possible causes
  • If the USB device can be powered externally, plug it into an external power source.
  • Plug your PC (or phone) into an external power source and don't run it on battery power.
  • Disconnect any unused USB devices that are connected to your PC.
  • Your PC (or phone) can't power the device you connected to because that device isn't supported.
  • Your PC (or phone) has a low battery, so it has temporarily limited the amount of power it can provide to the device.
  • Your PC (or phone) is providing power to other devices, so it has temporarily limited the power it provides to the device you just connected to.
  • The device you connected to requires more power than the PC (or phone) can provide.

Unsupported USB audio adapter


Connect a USB-C digital audio adapter instead.

Try this solution Possible cause
If you have a USB-C analog audio adapter connected to your PC, unplug it, then connect a USB-C digital audio adapter instead. Your PC doesn't support the audio adapter you connected to.