Graphics · medium

How to fixHDMI-NO-SIGNAL

Monitor reports No Signal via HDMI

What this error means

Monitor reports No Signal via HDMI is a medium-severity graphics card (GPU) issue. The screen is black and shows 'No Signal' even though the PC is on and the cable is connected. This can also stem from the GPU is not fully seated in the PCIe slot. Use the steps below to track down and fix the cause.

Before you begin

Save open work and back up important files. Note any recent driver or hardware changes. If Windows cannot start, use the startup guide first.

Work through these checks

0 of 3 complete
01Plug the cable into the HDMI/DP port directly on the graphics card

Plug the cable into the HDMI/DP port directly on the graphics card.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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02Try a different cable or monitor input

Try a different cable or monitor input.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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03Check that the GPU has clicked into place in the PCIe slot

Check that the GPU has clicked into place in the PCIe slot.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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Possible causes

  • Cable plugged into HDMI port on motherboard (iGPU) instead of GPU
  • Defective HDMI cable or incorrectly inserted connector
  • The GPU is not fully seated in the PCIe slot

Useful Windows tools

These commands open Windows tools. Review any action inside the tool before applying changes.

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