09-14-2019 12:43 PM
I have t420 upgrading bios from 1.23 to 3.11 useing both system update 5 an lenovo web service bridge
and manual upgrade downloading file extracting file using admin prevlages to active file to no avail
it does not upgrage bios like readme file I can get it to seeing bios on cmd it ask press any key to continue but to no avail
Solved! Go to Solution.
09-14-2019 08:50 PM
T420 did not directly support windows 10. In such a machine, I would never try to do a BIOS update from Windows. I would burn a bootable CD/DVD
09-16-2019 07:46 PM