Lenovo 720S-13IKB NM-B491 Rev 1.0 – BIOS, Boardview & Schematic Files Tested

Get access to the complete repair toolkit for the Lenovo IdeaPad 720S-13IKB with motherboard ID NM-B491 — 100% FREE!

FREE DOWNLOAD: Essential Repair Files for Lenovo IdeaPad 720S-13IKB Motherboard Model NM-B491. Includes BIOS dumps, schematics diagram, and board views to fix issues like no display, dead motherboard, and more. ➕ Download now and get your device working again! 🔧

Inside, you'll find:

1. NM-B491 BIOS dumps can help fix no display problem or no power-on problems.
2. Schematics diagram help to fix problems accurately by showing how the motherboard is connected.
3. Boardviews help you examine and repair specific parts of the motherboard in detail.

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✓ 100% Tested | Works with NM-B491

🛠 Common Issues Solved by Lenovo IdeaPad 720S-13IKB BIOS Flash

🔇 No Display / No POST
🔁 Boot Loop or Logo Freeze
❌ BIOS Password Locked
🧱 Dead / Bricked Motherboard
⚠️ Overclocking or BIOS Corruption

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📋 MOTHERBOARD SPECIFICATIONS
Device Type	💻 LAPTOP
Brand/Model	Lenovo IdeaPad 720S-13IKB
MB Part No	NM-B491
CPU/MCU/GPU	🔵 INTEL
ROM File Size	8MB

👇 CLICK BELOW LINK TO DOWNLOAD Lenovo IdeaPad 720S-13IKB FILE
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📂 NM-B491 Rev 1.0 BIOS+KBEC BIN File

Fix boot failures & corrupted BIOS - 100% tested working dump

Instant Download

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📐 NM-B491 Rev 1.0 Schematic PDF

Complete circuit diagrams for hardware troubleshooting

Instant Download

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📊 NM-B491 Rev 1.0 Boardview CAD Files

Component-level troubleshooting with CAD coordinates

.brd & .fz Instant Download

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🔑 RAR File Password: indiafix

💡 How to Flash BIOS on NM-B491 (RT809F Method)

1. Connect RT809F programmer to the BIOS chip on the motherboard.
2. Open RT809F software to read and back up the original BIOS.
3. Load the downloaded BIN file.
4. Flash and verify the BIOS.
5. Power on the laptop and check for display or signs of power!

🧰 Flash Tools Needed for NM-B491

1. CH341A or RT809F USB Programmer
2. SOIC8 Clip (optional but helpful)
3. CH341A/RT809F Programmer Software
4. Latest WinRAR to extract file

⚠️ Flashing Precautions

• Back up your current BIOS before flashing.
• Ensure the BIN file matches your motherboard’s BID.
• Flashing BIOS incorrectly can brick your device – proceed only if confident.
• This process may void your warranty.

💬 If the Lenovo IdeaPad 720S-13IKB download link doesn't work or you need a different revision, leave a comment and we'll update the file ASAP!