IBM/Lenovo Bios update/Embedded Controller with dead/no battery

Below solution is on you own risk.

1. Download the Bios/Embedded Controller from IBM/Lenovo (Diskette version)
2. Rename the file UPDTFLSH.EXE to UPDTFLSH.EXE.OLD
3. Create a copy of QKFLASH:EXE and rename it to UPDTFLSH.EXE
4. Boot the labtop from the diskette
5. Follow normal procedure for updating BIOS/Embedded Controller
6. DON’T TURN OFF THE PC OR REMOVE POWER
7. When the BIOS/Embedded Controller is updated the PC will trun off
8. Poweron  and enter BIOS (F1) to verify that the new BIOS/Embedded Controller is installed.