How to fix no dp signal from your device easy guide


Imagine this scenario: You’re all set to watch your favorite movie or give a crucial presentation, and suddenly, your monitor displays those dreaded words – “No DP Signal.” Frustration sets in as you scramble to find a solution, fearing that your plans will be ruined. However, fear not! In this article, we will delve into the depths of fixing the “No DP Signal” issue, exploring various reasons behind it, common error codes, and effective solutions, both automatic and manual.

Benefits of Resolving “No DP Signal” Issue

Resolving the “No DP Signal” problem can save you from unnecessary stress and setbacks. Whether you’re an avid gamer, a professional working from home, or a multimedia enthusiast, having a stable display connection is paramount. By understanding the causes and solutions for this issue, you can ensure uninterrupted productivity, seamless entertainment, and peace of mind.

Possible Reasons for the “No DP Signal” Issue

  1. Loose or Damaged Cables: A loose or damaged DisplayPort (DP) cable can lead to signal loss. Check for physical damage and ensure a snug connection between your computer and monitor.
  2. Incorrect Input Source: Sometimes, the monitor may be set to the wrong input source. Make sure you’ve selected the correct input (DP) on your monitor.
  3. Outdated Graphics Drivers: Outdated or incompatible graphics drivers can cause display issues. Regularly update your GPU drivers to ensure compatibility.
  4. Faulty Graphics Card: A malfunctioning graphics card can result in a “No DP Signal” error. Inspect the card for physical damage or consider testing it in another system.
  5. Monitor Issues: Problems with the monitor itself, such as a malfunctioning port or hardware failure, can also trigger this error.

Common Error Codes and Examples

When you encounter a “No DP Signal” issue, you might see error codes or messages like:

  • “No Signal Detected”
  • “Input Not Found”
  • “Check Cable Connection”

For instance, if you receive a “No Signal Detected” message, it typically indicates a cable or connection problem. Understanding these codes can help pinpoint the root cause.

Different Ways to Fix “No DP Signal” Issue

  1. Automatic Solutions:

    a. Update Graphics Drivers: Use the manufacturer’s software to automatically update your graphics drivers.

    b. Monitor Self-Diagnosis: Some modern monitors have built-in self-diagnostic tools that can identify and fix certain issues.

  2. Manual Solutions:

    a. Check Cables: Inspect the DP cable for damage and ensure it’s securely connected to both your computer and monitor.

    b. Input Selection: Press the monitor’s input/source button to ensure it’s set to the correct DP input.

    c. Restart the System: Sometimes, a simple system reboot can resolve the issue.

    d. Swap Components: Test with a different DP cable or try your monitor with another computer to identify if the problem lies with a specific component.

    e. Graphics Card Inspection: Examine your graphics card for visible damage or loose connections.

    f. BIOS Settings: Access your computer’s BIOS settings and ensure that the integrated graphics card is disabled if you’re using a dedicated GPU.


Experiencing a “No DP Signal” issue can be frustrating, but it’s a problem with multiple potential causes and solutions. By following the steps outlined in this article, you can diagnose and resolve the issue, ensuring a stable and uninterrupted display connection. Whether you’re a professional relying on your workstation or a casual user enjoying entertainment, a smooth display experience is essential.


  1. What if updating graphics drivers doesn’t work? If updating graphics drivers doesn’t resolve the issue, consider checking for physical cable damage, testing with another monitor or computer, or inspecting your graphics card for hardware problems.
  2. Can a faulty monitor cause a “No DP Signal” issue? Yes, a malfunctioning monitor can be a source of this problem. Check the monitor’s ports, settings, and test it with another device to rule out monitor-related issues.
  3. Why is it important to disable integrated graphics in BIOS when using a dedicated GPU? Disabling integrated graphics ensures that your computer uses the dedicated GPU as the primary display output, reducing conflicts that may lead to a “No DP Signal” issue.
  4. Is there a way to prevent the “No DP Signal” issue from happening in the first place? Regularly checking and maintaining your cables, keeping your drivers up to date, and handling hardware with care can help prevent this issue from occurring frequently.

Sakshi Anant Author