(I have no this tablet and, so, can't run this flash utility to check the flashing option...) 1. run winuptp.exe, select "Update thinkpad bios", and if the Advanced tab is present untick the option like Bios version check 2. run winuptp.exe -s 3. copy $01DA000.FL1 to the folder with WinFlash32.exe (or ...64.exe), rename to 1DA000.FL1 and run WinFlash32.exe /v /sd /sv /svs 1DA000.FL1 (for Windows x32) or WinFlash64.exe /v /sd /sv /svs 1DA000.FL1 (for Win x64
...and I have no desire, to teach you in bios-modding. It was only a hint by me, before you do other quaint "bios-mods", who don't work and maybe brick users machines.