Is your laptop's keyboard completely unresponsive? Before you invest time and money in a full replacement, our expert guide walks you through the essential troubleshooting steps every technician should know. Discover how to quickly differentiate between a simple software glitch and a true hardware failure. Learn to check for driver issues, boot into Safe Mode for diagnosis, and crucially, how to safely inspect and reseat the internal ribbon cable—a common point of failure. This concise guide empowers you to confidently diagnose the root cause, potentially saving you an unnecessary repair cost. When a replacement is truly needed, you'll be sure it's the only solution.