Hardware⏱️ 3 min read📅 2026-06-02

How to Fix: 100% working solution - display port no signal when hdmi works

Fix 100% working solution - display port no signal whe. Try unplugging the DP cable, monitor pow. Step-by-step guide included.

Quick Answer: Try unplugging the DP cable, monitor power adapter, and holding the PC's power button for 15-20 seconds before plugging everything back in and rebooting.

📋 Table of Contents

  1. ⚠️ Common Causes
  2. 🛠️ Step-by-Step Verified Fixes
  3. 💡 Conclusion

The 'Display Port no signal when HDMI works' issue is a common problem that can be frustrating for users. It occurs when the DisplayPort connection is not recognized by the computer, even though the HDMI connection is working properly. This issue can be caused by a variety of factors, including outdated drivers, corrupted system files, or issues with the graphics card.

⚠️ Common Causes

  • Outdated or corrupted system drivers
  • Corrupted graphics card drivers
  • Graphics card issues or faulty hardware

🛠️ Step-by-Step Verified Fixes

Method 1: Power Cycle and Driver Update

  1. Step 1: Shut down your PC completely, unplug the DisplayPort cable from the monitor, and unplug the monitor's power adapter.
  2. Step 2: Hold the PC power button for 15-20 seconds to discharge any residual power. Then, plug in the DisplayPort cable and the monitor's power adapter.
  3. Step 3: Reboot your PC and immediately press the 'P' key to access the display setup utility.

Method 2: Driver Update

  1. Step 1: Open the Device Manager and search for 'Display Adapters' or 'Graphics Cards'. Right-click on the relevant device and select 'Update Driver'.
  2. Step 2: In the Update Driver window, click 'Search automatically for updated driver software'. Let the system search and install any available updates.
  3. Step 3: Restart your PC and try using the DisplayPort connection again.

💡 Conclusion

If you've tried both methods and still encounter issues, it's possible that there's a problem with your graphics card or the DisplayPort connection itself. In this case, it may be necessary to consult the user manual or contact the manufacturer for further assistance.

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