The system won't on even after removing the battery , please could be

Here are the troubleshooting steps suggested in this support link:

Plug the PC in to power first. If that does not work, wait 5 to 10 minutes in case the battery needs to charge to a certain level.

Check the power, adapter, and cables:

Verify that the AC power adapter is correct for the system (check the user manual, How to find and view manuals for Lenovo products - ThinkPad, ThinkCentre, ideapad, ideacentre).

Plug the AC adapter into the computer and a power outlet. If the computer has a power indicator light, check if the light comes on.

Do not use a power bar, power strip, or other power extending device.

Make sure the AC adapter is securely plugged in to the computer and the outlet.

Try a different power outlet.

Does the PC make a sound (for example, fan noise). If so, check light settings and increase the brightness level.

If this doesn't work, you may try a hard reset (remove the battery and press and hold the power button for at least 10 seconds).