Fix: DisplayPort to HDMI not working [Full Guide]

by Tashreef Shareef
Tashreef Shareef
Tashreef Shareef
Windows & Software Expert
Tashreef Shareef is a software developer turned tech writer. He discovered his interest in technology after reading a tech magazine accidentally. Now he writes about everything tech from... read more
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  • DisplayPort to HDMI adapter allows you to connect HDMI enabled monitors to your computer's DisplayPort.
  • If your DisplayPort to HDMI adapter is not working, here are a few steps to troubleshoot the problem on Windows 10.
  • For similar troubleshooting guides don't hesitate to check out our dedicated Fix section.
  • Our Peripherals Page includes many more fix guides for external peripherals, so make sure to explore them.
DP to HDMI port adapter issue

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DisplayPort to HDMI adapter helps you connect your HDMI device to a DisplayPort supported monitor.

At times you may see a No Signal error when trying to connect your DisplayPort to HDMI adapter to your PC or monitor.

The DisplayPort to HDMI adapter not working usually occurs if the adapter hardware is faulty. However, the issue can also be triggered due to a faulty HDMI port or even incorrect device configuration.

Let’s take a closer look at the most frequent issues reported by our readers so that you know exactly what you’re up against.

Where can this issue occur and what to expect?

  • DisplayPort to HDMI adapter/converter not working
  • DisplayPort to HDMI no signal/monitor not detected (If there is no HDMI signal detected from your device, you can try the tested fixes we already prepared for you.)
  • HP DisplayPort to HDMI not working Windows 10 (Lenovo, Dell, and other major manufacturers are equally impacted.)
  • DisplayPort to HDMI cable not working
  • Mini DisplayPort to HDMI not working Windows 10
  • Onn DisplayPort to HDMI adapter not working
  • DisplayPort to HDMI TV not working (If your device does not recognize the TV HDMI, you can check our complete guide for safe and guaranteed resolutions).
  • Insignia DisplayPort to HDMI adapter not working
  • ALOGIC DisplayPort to HDMI not working

If you are also troubled by this error, here are a few troubleshooting steps to help you resolve the DisplayPort to HDMI adapter not working problem with ease.

How do I fix DisplayPort to HDMI not working in Windows 10?

1. Check your HDMI and DisplayPort

If you see No Signal text on the screen when using the adapter, it could be due to a loose HDMI connection to the adapter or the DisplayPort interface.

Remove the HDMI cable connected to the adapter and plug it again. Once done, make sure the HDMI cable connected to your PC is also firmly connected.

Be careful when applying pressure on the port as it can damage the interface. If possible, try connecting the HDMI adapter to a different monitor or device. If it works, you may have a faulty HDMI port to repair.

2. Manually enable HDMI Input

DisplayPort to HDMI not working
  1. Make sure you have connected DisplayPort to HDMI adapter with the HDMI cable to your monitor.
  2. Press any of the control buttons on your monitor. Physical control buttons are usually placed under, back, or at the side of the panel.
  3. Select the Menu icon.
  4. Use the arrow keys and navigate to Display.
  5. Select Input using the > key.
  6. Select HDMI under Input options and select the Okay option to save the changes.

At times your monitor may fail to auto-detect the HDMI connection, especially when you are using an adapter to convert DP signals to HDMI.

Changing the input option manually should fix the problem.

3. Check your DisplayPort to HDMI adapter 

DisplayPort to HDMI not working

If the issue is not with the monitor configuration and the DisplayPort, check your DisplayPort to HDMI adapter. Some adapter are not compatible with certain monitors and input options.

As we have discussed in our best DisplayPort to HDMI adapters guide, not all the adapters are made same. While most adapters can work with 1080p contents, very few adapters are capable of carrying 4K contents from your PC.

Try using your existing adapter with another system or monitor before you consider replacing the device. 

4. Perform a monitor power-cycle 

  1. Power off your PC and make sure to unplug the power cord.
  2. Unplug your monitors’ power cord.
  3. Disconnect all the input sources connected to the monitor and computer.
  4. Leave the devices idle for a few minutes.
  5. Next, reconnect the monitor to the PC with the DisplayPort to HDMI adapter.
  6. Turn on your Monitor and PC.

DisplayPort to HDMI adapters offer excellent flexibility to connect HDMI enabled monitors to your PC’s DisplayPort.

If you fail to establish a connection, make sure to enable HDMI input manually from the monitor. If not, check the DisplayPort/HDMI port and the adapter for hardware failure.

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