MacBook Pro M1 16 inches No Backligt Troubleshooting

In this video, we’re working on a device that came in with no backlight. The logic board had already been swapped in an earlier attempt to fix the issue, but the problem remained unresolved. Throughout the video, I’ll highlight several key factors to pay close attention to — each one essential for accurately troubleshooting and diagnosing backlight-related faults like this.