Is your MacBook damaged and you are wondering what the problem is? Is fixing a damaged logic board cost-effective compared to buying a new one or having Apple replace the board? If you have a dead Mac, what are the tips for reviving one?
Table of Contents
Logic board.
This is the most critical part of a MacBook, it’s effectively the brain. If it is damaged or faulty, it is important to have a skilled professional repair. Logic board repair is cheaper than purchasing a refurb board from Apple. A few faulty components can lead to a failed logic board. If you are under a warranty, the logic board will be replaced entirely by Apple for a premium cost rather than repaired.
Signs of a failed logic board.
- The computer doesn’t power up.
- No backlight.
- The charger lacks the green/orange light when connected.
- There is no video or image.
- Computer overheats.
- Automatic shutdowns / rebooting.
- No Wi-Fi.
How can you revive a dead Mac?
Check the power supply.
- Ensure the charger fits properly in the port.
- Ensure the cable is not damaged.
- Ensure the adapter is a genuine Apple one.
- Use a different charger to ensure your adapter or cable isn’t the problem.
If a faulty charger or battery is the cause of your dead Mac, seek a reliable MacBook repair service center to help diagnose and fix the problem.
Reset the system management controller (SMC).
This helps to fix certain issues related to the battery, fan, and power.
- Plug the power cable in.
- Press Shift+ Ctrl+ Alt keys+ power button simultaneously and hold for at least ten seconds.
- Release all the keys and press the power button to restart your computer.
If the problem was associated with power, battery, or fan the issue will be resolved.
Reset parameter or non-volatile Random-Access Memory (PRAM).
This is the location of the memory that stores data like screen resolution, volume setting, startup disk selection, and kernel panic information.
- Press and hold down command, option (Alt), P, and R keys at once and switch on the MacBook.
- Release the keys at once when the Mac restarts.
If the issue was associated with the PRAM OR NVRAM, the computer should restart normally.
Run disk utility in recovery mode.
If your MacBook is stuck on a white, grey, or blue screen, it could have a problem with the disk drive. This issue can be fixed by running disk utility.
- Hold down the command and R keys at once until the Mac restarts.
- When it starts in recovery mode, you have access to utilities. Click on disk utilities and select the notebook’s drive.
- Click on first aid
The disk utility finds the error and asks for permission to repair it.
Contact repair Centre.
After trying all the above solutions and your MacBook is still dead, the problem could be a faulty logic board. This requires professional skills.
Logic board repair.
Basic repair.
A MacBook comprises of various components like keyboard, screen, battery, trackpad, hard drive, connecting cables, Wi-Fi card and the logic board. The first step is finding the faulty part and making a replacement. This will be determined by the availability of spare parts.
Board level repair.
The logic board components like GPUs, ICs, CPUs, resistors, transistors, and capacitors are individually troubleshooted. The faulty components are identified and then replaced carefully. Functionality and stability tests are conducted to ensure all the faulty parts have been replaced.
Conclusion.
Your MacBook may fail to turn on due to several reasons. Faulty components, spilled liquid, or debris can be the reason why your laptop may be damaged or not working as expected. This article highlights some of the tips that will help revive your dead Mac. The logic board is the most important part of a MacBook. There are signs you should look out for to know if the logic board has an issue. A qualified professional needs to troubleshoot, track down the faulty component, and make the necessary repair.
