BIOS vs UEFI Explained – Key Differences, Boot Process & Which One You Need
What is the difference between BIOS and UEFI? In this video, TechVision Animated breaks down BIOS vs UEFI in a simple, animated visual guide — perfect for beginners, IT students, and anyone preparing for CompTIA A+, Network+, or other tech certifications.
Whether you're building a PC, troubleshooting boot issues, or studying for a certification exam, understanding BIOS vs UEFI is essential knowledge every tech professional needs.
✅ Topics Covered in This Video:
• What is BIOS? (Basic Input/Output System) — history, function & limitations
• What is UEFI? (Unified Extensible Firmware Interface) — features & advantages
• BIOS vs UEFI: Key differences in boot speed, security & disk support
• Legacy Boot vs UEFI Boot Mode — which should you use?
• GPT vs MBR partition tables and why it matters
• Secure Boot explained — what it is and when to enable it
• How to access BIOS/UEFI on Windows 10 & Windows 11
• When to use BIOS vs UEFI for your PC or server
⏱️ Timestamps:
0:00 – Introduction: BIOS vs UEFI Overview
0:30 – What is BIOS? History & How It Works
1:15 – Limitations of Legacy BIOS
1:50 – What is UEFI? Features & Advantages
2:45 – BIOS vs UEFI: Side-by-Side Comparison
3:30 – GPT vs MBR & Secure Boot
4:20 – Which One Should You Use?
5:10 – Summary & Key Takeaways
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