USB port not working

[Aliva07]

My USB c port is not working. it worked before (last year). but now whenever I connect a monitor or docking port it says "Display connection might be limited". How to solve the issue?

[Kuroi_Kenshi]

Hi @Aliva07,

Welcome to the HP Support Community! 

Thanks for reaching out about your query regarding USB-C port issues on the HP 15.6-inch Laptop PC 15-d4000!

We're thrilled to have the opportunity to assist you and provide a solution.

Try these steps:

Check Device Compatibility:

• Ensure that the monitor or docking station is compatible with your laptop's USB-C port, especially concerning power delivery and data transfer capabilities.

Update Graphics and USB Drivers:

• Go to the HP Support site and download the latest graphics and USB-C drivers for your laptop model.
• Install the updates and restart your laptop.

Check for Windows Updates:

• Go to Settings > Windows Update and check for any pending updates. Install them and restart your laptop.

Inspect the USB-C Port:

• Check for any dust or debris in the USB-C port. Clean it gently if necessary.
• Ensure that the cable and connections are not damaged and secure.

Test with Different Devices:

• Try using a different USB-C cable or connecting to a different monitor or docking station to rule out faults with the accessories.

Power Reset the Laptop:

• Shut down the laptop completely and unplug it from the power source.
• Disconnect all peripherals and wait for a few minutes before turning it back on.

Check Display Settings:

• Go to Settings > System > Display and ensure that the display settings are configured appropriately, and the correct display is recognized.

BIOS and Firmware Updates:

• Check HP Support for any BIOS or firmware updates relevant to your laptop model and perform those updates as necessary.

Restore to a Previous Point:

• If the issue started after a particular update or change, consider restoring your system to a previous point where the USB-C port was working correctly.

I hope this helps.

I'm glad I could help! 😊 If this resolved your issue, please mark it as "Accepted Solution" and click "Yes" on "Was this reply helpful?" Your feedback not only keeps us going but also helps others find the solution faster! 👍✨

Take care and have an amazing day ahead! 🚀

Best regards,