How to fix IBM Thinkpad not accepting power or booting.
Unplug your IBM and remove the battery located on the back of the pc.
Once Step 1 is complete, follow this.
1. Press and hold the power button for an increment of 3 seconds.
2. Let go.
3. Repeat steps 1 -2 for a total of 10 times and on the tenth time hold the power button for 30 seconds.
4. Plug in your IBM and leave the battery off.
5. Push the power button.
6. Your Welcome.