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Get access to the complete repair toolkit for the Apple MacBook Pro A1398 with motherboard ID 820-00138 — 100% FREE!
FREE DOWNLOAD: Essential Repair Files for Apple MacBook Pro A1398 Motherboard Model 820-00138. Includes BIOS dumps, schematics diagram, and boardview layout blueprint to fix issues like no display, dead motherboard, and more. ➕ Download now and get your device working again! 🔧
Inside, you'll find:
- 820-00138 BIOS dumps can help fix problems like no display or the laptop/desktop not turning on.
- 820-00138 Schematics diagram show how the motherboard is wired, which helps you find and fix problems more accurately.
- 820-00138 Boardviews help you examine and repair specific parts of the motherboard in detail.
🛠 Common Issues Solved by Apple MacBook Pro A1398 BIOS Flash
🔇 Computer won't turn on properly (No lights, no beeps, nothing happens).🔁 Automatic Restart by itself over and over.
❌ No Display / Blank Screen
🧱 Fan Runs at Full Speed Constantly
⚠️ Computer gets stuck in a special repair mode (BIOS Recovery Mode)
| 📋 MOTHERBOARD SPECIFICATIONS | |
|---|---|
| Device Type | 💻 LAPTOP |
| Brand/Model | Apple MacBook Pro A1398 |
| MB Part No | 820-00138 |
| CPU/MCU/GPU | 🔵 INTEL |
| ROM File Size | 8MB |
📂 Apple MacBook Pro A1398 820-00138-A BIOS BIN
Fix boot failures & corrupted BIOS with 100% working dump.
Instant Download📐 Apple MacBook Pro A1398 820-00138 Schematic PDF
Complete circuit diagrams for laptop hardware troubleshooting.
Instant Download📊 Apple MacBook Pro A1398 820-00138 Boardview CAD
Component-level troubleshooting with detailed CAD coordinates.
Instant Download
🔑 RAR File Password: indiafix
💡 How to Open 820-00138 Schematic and Boardview
- Use Schematic Files for Adobe Reader, any PDF viewer.
- Boardview brd file use OpenBoardView, Allegro Viewer
- Boardview cad,tvw, bv,brd file use all in one Boardviewer.
- Boardview PCB file use FlexBV
🧰 How to Flash BIOS ON 820-00138 (RT809F Method)
- Connect RT809F programmer to the BIOS chip.
- Open the RT809F software and read the BIOS to make a backup of the original file.
- Extract the downloaded BIOS file using the latest version of WinRAR.
- Load the downloaded BIN file.
- Write and verify the BIOS.
- Power on the laptop and check for display or signs of power!
⚠️ 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.
Legal Notice
These technical documents for Apple MacBook Pro A1398 motherboard are provided for educational and repair purposes only. Always follow proper ESD safety protocols when handling computer hardware components. The distributor assumes no liability for improper use of these materials.
💬 If the 820-00138 repair guides download link doesn't work or you need a different revision, leave a comment and we'll update the file ASAP!
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