MacBook Logic Board Failure after Replacement: Main Causes

Realizing that your Apple laptop won’t turn on after the logic board replacement can be frustrating. Let’s check the six most common reasons for the MacBook logic board failure after replacement. This article is highly recommended to read before any replacement.

6 causes of logic board failure MacBook after replacement

1. Failure to disconnect the battery

The most simple but most common reason for a logic board failure of a MacBook is disconnection of the battery during the replacement process. The logic board can be easily shorted if it’s being worked on under voltage.

2. Connector damage

It's one of the possible reasons for the MacBook logic board failure. The connectors on the Mac logic boards are really fragile. Make sure to do your work gently; otherwise, you are looking to get a bill for a connector replacement or even a new logic board.

Also: How to Clean Corrosion from MacBook Pro Logic Board: Full Guide

3. Installation damage

If a MacBook is not working after the replacement of the logic board, it can indeed be a sign that something was improperly installed or went wrong during the replacement process. Any logic board contains many tiny components; some of them are even hard to see without a microscope. All of them are extremely fragile, and they can be damaged while using a screwdriver or tweezers. Please check the parts offered on Appleparts.io to reduce the risk of installation damage.

4. Peripheral component failure

If you try to repair a liquid-damaged laptop, it still won’t power on after the logic board is replaced. It can happen if any other components, such as the top case or trackpad, are shorted. How do I avoid it? Simply fully test your Mac prior to any repair.

Before replacing the logic board, it is recommended that you thoroughly test your MacBook to identify any damaged components. This way, you will increase the likelihood of a successful laptop repair and will not overlook other damaged parts that may prevent the laptop from turning on.

5. Static electricity damage

One of the reasons why the MacBook logic board fails after replacement is the potential damage caused by static discharges. This can occur if an anti-static wristband was not used when replacing components on the logic board. Static discharges can transfer from a person to electronic components, potentially leading to their damage or even irreversible destruction. The use of an anti-static wristband is an important precautionary measure in this regard. Static is a real, invisible enemy, and you should take it seriously. If properly worn, the bracelet directs the static to the ground, where it can be safely discharged.

6. Logic board incompatibility

This is pretty simple: you matched the model number but forgot to check the compatible model year. Many Macs may have the same model number but completely different components; that's why it’s important to make sure the logic board is compatible. Here, at Apple Parts, we offer a free, fully automated compatibility checker—simply enter the serial number!

Also: MacBook Pro A1708 Logic Board Replacement

How to diagnose logic board issues on a MacBook if it won’t turn on after a replacement

• Check if all the components are connected properly;
• Check if there is any visible physical damage;
• Double check if the logic board you installed is compatible with your laptop;
• Check the power consumption (Power Delivery tester is required)

Tips for preventing MacBook logic board from failing during replacement

By following these steps, you can increase your chances of successfully replacing the logic board in your MacBook while minimizing the risk of introducing additional problems or damage.

1. Disconnect the Battery

This step is crucial to ensure safety during MacBook repair.

2. Test the MacBook thoroughly before replacement

• Before beginning the logic board replacement, thoroughly test the MacBook to confirm the necessity of the replacement.
• Avoid introducing additional issues; make sure the repair is genuinely required.

3. Verify Logic Board Compatibility

• Confirm that the replacement logic board is fully compatible with your MacBook.
• Utilize the compatibility check feature on the product page by entering your MacBook's serial number.

4. Handle the Logic Board with Extreme Care

• The logic board contains numerous delicate components, including connectors and micro-components.
• Follow the replacement instructions meticulously to avoid overlooking crucial details.

5. Use an antistatic wristband

Invest $5 in an antistatic wristband to protect your MacBook from potential damage.

AppleParts offers a large variety of logic boards and other parts for your Mac laptops. We offer a simple search engine that will help you find a desired part or ensure the part found is compatible with your laptop. Not sure if you can install a part or want your laptop to be repaired by professionals? Simply fill out a mail-in request and receive a prepaid shipping label today.

Genuine Logic Board, I9, 2.3ghz, 16gb, 1tb, 5500m 4gb (661-14132) A2141 2019