Laptop HDMI Port No Signal to TV
4.5
You connect your laptop to a TV or monitor, but the screen says "No Signal".
Symptoms
- Black TV screen
- No signal message
- Flickering
Possible Causes
- Wrong input on TV
- Bad HDMI cable
- Project settings (Win+P)
Step-by-Step Fix
1
Press Win+P
Ensure you have "Duplicate" or "Extend" selected in the projection menu.
2
Check TV Input
Cycle through HDMI 1, 2, 3 on your TV remote.
3
Lower Resolution
Sometimes the laptop tries to send a signal the TV can't handle (e.g., 4K 60Hz on old TV).
When to See a Technician
HDMI ports are fragile; ensure the cable isn't putting physical strain on the port.
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