DisplayPort No Signal Windows 11 Fix [2026]

Quick Answer: DisplayPort no signal due to cable issue or GPU detection. Unplug and replug cable, or use different DP port on GPU.

Fix

Unplug DisplayPort, wait 10 seconds, plug back in firmly

Use different DisplayPort on graphics card

Device Manager → Display adapters → Update driver

Use DP 1.2+ cable for high refresh rates

Againly runs check_display_topology to detect DP issues.

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Instant Resolution

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Works on Windows 10 & 11 • No credit card required