The logic board, also known as the motherboard, is the main circuit board of a MacBook that connects and controls all the internal components, including the processor, graphics chip, and even the memory and storage for newer models. If the logic board is damaged or malfunctions, the entire MacBook may stop working or experience issues such as startup problems, frequent crashes, or hardware failures.
In most cases, a damaged logic board can be repaired by our technician using special repair tools, the workflow including:
1. Measure the voltage, diode mode measurement of all power rails and signal waveforms of the logic board.
2. Find the abnormal heating part using infrared thermal imaging camera.
3. Referring to the design drawings and schematics, to know the root cause of the fault.
4. Locate the damaged components accurately, the components used for replacement meet the specification as shown in the schematics.
Logic board repair is a economical repair solution compared to logic board replacement, because it is repairing the actual problem, without changing the entire logic board.
The advantages of logic board repair are:
1. It is possible to keep the data intact.
2. Keep the upgraded specification when it is purchased, including the processor, GPU, RAM, SSD, etc.
3. Not affecting the True Tone function. (Models equipped with M series SoC)
4. Not affecting the display and backlight function. (Models equipped with mini-LED backlight display)
5. Not affecting the serial number.
If the damage is too severe, replacing the logic board may be the only viable option.
If you are experiencing issues with your MacBook’s logic board, it is recommended to seek professional repair services. You can bring your MacBook to our office located in Mong Kok for a free inspection. Our technicians will assess the damage and recommend the best course of action, whether that is repairing the existing board or replacing it with another one.