Vizio M-Series 65" Quantum 4K NO SIGNAL Error Fix: No Signal on Input

The TV shows "No Signal" even though a device is connected and turned on. The picture is black with a No Signal message.

Low severity1 fix available

Quick Answer

Error NO SIGNAL on the Vizio M-Series 65" Quantum 4K means: No Signal on Input. The top-ranked community fix is “Check HDMI input and cable” (easy difficulty, ~10 min, DIY cost: $0-20). 1 community-ranked fix available below.

Published February 2026 · 1 fix · tv

Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.

When to Call a Professional

While many tv repairs can be done safely at home, consider hiring a qualified technician if:

The repair involves electrical wiring, gas lines, or refrigerant
You've tried the top-ranked fix and the error persists
You smell gas, see sparking, or notice water leaking
The repair requires specialized tools you don't have
Your appliance is still under manufacturer warranty

Average professional repair cost for this issue: $50-80.

Other Vizio M-Series 65" Quantum 4K Error Codes

E10

T-Con Board Failure

2 fixes

E11

Ambient Light Sensor Fault

USB Port Malfunction

Panel Failure

Power Button Stuck

Ethernet Port Failure

Screen Flickering

WiFi Authentication Failure

2 fixes

People Also Ask About Vizio M-Series 65" Quantum 4K Error NO SIGNAL

What does error code NO SIGNAL mean on a Vizio M-Series 65" Quantum 4K?

Error code NO SIGNAL on the Vizio M-Series 65" Quantum 4K means: No Signal on Input. The TV shows "No Signal" even though a device is connected and turned on. The picture is black with a No Signal message.

How do I fix error code NO SIGNAL on my Vizio M-Series 65" Quantum 4K?

The most successful fix is "Check HDMI input and cable" (easy difficulty, ~10 minutes). Estimated DIY cost: $0-20. HomeMD has 1 community-ranked fix for this error.

Is error code NO SIGNAL on a Vizio M-Series 65" Quantum 4K serious?

This error is rated low severity. It is generally not urgent and can often be resolved with a simple DIY fix.

Can I fix Vizio M-Series 65" Quantum 4K error NO SIGNAL myself?

Yes — the top-ranked community fix ("Check HDMI input and cable") is rated easy difficulty and takes about 10 minutes. Tools needed: .

How much does it cost to repair Vizio M-Series 65" Quantum 4K error NO SIGNAL?

DIY cost: $0-20. Professional repair typically costs $50-80. Many homeowners save money by trying the top-ranked community fix first.

What other error codes does the Vizio M-Series 65" Quantum 4K have?

The Vizio M-Series 65" Quantum 4K has 8 other known error codes, including: E10 (T-Con Board Failure), E11 (Ambient Light Sensor Fault), E12 (USB Port Malfunction), E13 (Panel Failure), E14 (Power Button Stuck), and 3 more.

What other error codes does the Vizio M-Series 65" Quantum 4K have?

The Vizio M-Series 65" Quantum 4K has 8 other known error codes:

E10 — T-Con Board Failure (2 fixes)
E11 — Ambient Light Sensor Fault (2 fixes)
E12 — USB Port Malfunction (2 fixes)
E13 — Panel Failure (2 fixes)
E14 — Power Button Stuck (2 fixes)
E15 — Ethernet Port Failure (2 fixes)
E16 — Screen Flickering (2 fixes)
E17 — WiFi Authentication Failure (2 fixes)

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