How to Find and Fix Missing Drivers in Windows | CMD & Device Manager Guide
Is your Wi‑Fi not working, Bluetooth missing, or hardware acting strange? In this video, I show you exactly how to check every driver installed on your Windows PC using the driverquery /v command, and how to use Device Manager to spot and fix errors like the Yellow Exclamation Mark or Code 31 — 100% free, no paid software needed.
I will guide you step‑by‑step:
✅ How to open Command Prompt and list all drivers
✅ How to identify problems in Device Manager
✅ How to safely update or reinstall the correct driver
✅ How to verify that the problem is fixed
This method works for Windows 10 and Windows 11, and works on all brands: Lenovo, Dell, HP, Asus, Acer, and more.
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