Lenovo ThinkPad P50s Does Not Power On

Make sure your laptop is charged and the battery has sufficient power. Try turning it on after the battery is fully charged.

The battery may be drained or faulty. Try removing the battery and connecting the laptop to the AC power adapter and see if it turns on. If it does, the battery will need to be replaced. Here is a step-by-step guide on how to replace your battery.

The power button itself could be malfunctioning and not sending the correct signal to the laptop to power on. This would require repair or replacement of the power button.

If you've checked all of the other components, the motherboard may have been damaged and will need to be replaced. Follow this guide to replace the motherboard of your Lenovo ThinkPad P50s.