In this video, you will learn how to fix the common Windows error "Windows failed to start. A recent hardware or software change might be the cause." br This problem often appears when Windows 7 is unable to boot properly due to corrupt system files, hardware conflicts, or recent updates. br br We’ll guide you step-by-step through proven methods to repair your system without reinstalling Windows. Whether you're seeing this error for the first time or it's a recurring issue, this guide will help you resolve it quickly and efficiently. br br 🔧 Fix Methods Covered: br br Using Startup Repair from Windows installation disc br br Running Bootrec and CHKDSK commands br br Restoring system files br br Repairing the bootloader br br Rebuilding BCD manually br br System Restore (if available) br br ✅ No data loss br ✅ Beginner-friendly br ✅ Works for all PC brands (HP, Dell, Lenovo, Acer, etc.