In this video, you’ll learn 3 simple and effective methods to fix the "HDMI not detected" or "HDMI not working" issue when connecting your laptop to a TV or 4K Smart TV using Windows 11, 10, 8, or 7. Whether your TV shows no signal, the HDMI cable is not recognized, or your laptop doesn’t detect the external display, this guide will help you resolve it step-by-step. br br 🔧 Covered in This Video: br br Check HDMI cable & ports br br Update display drivers br br Configure display settings correctly br br This tutorial works on all major brands like Samsung, LG, Sony, TCL, Hisense, and others.