Yeah once, I removed the default 900圆00 resolution and adjusted it to fit mine, I was able to get it to the point where it allowed me to use the diskutility tool in order to repartition and whatnot. is there a microsoft install on the disk? So for you, it seems like the installer runs and started to do the install - without black screen when you removed ScreenResolution 900圆00? OpenMe.iso Edited Decemby i just went through creating a HighSierra and Sierra Installer to validate the process not long ago. No serial needed, but the install is not a "genuine" W7 of course. You may have guessed that M stands for the modded BIOS you finally want.īesides the whitelist removal, some AMT features are also disabled with the mod.įor the rare possibility that you already ditched all your Windows installer DVDs: That should be it - reboot and enjoy your modded BIOS. Boot into Windows again, open a DOS window and navigate to USB/TP/bios_mod.įrom the winflash GUI, select "Flash BIOS only" then click on the "Flash" button. Type in: PFLASH /sa B146.FL1 (This should downgrade your T420 to BIOS 1.46)ĥ. You will need at least PFLASH.exe, B146.FL1, B146M.FL1 and the TP directory with the winflash.exe.Ĥ. I think I used HPUSBDisk.exe and the files from usbdos.zip while running some Windows OS. Grab a USB stick and format it FAT32 with the hidden DOS system files on it. Looks like I did not want to delete anything I had found, though it is not needed to get the downgrade done.ġ. So yeah, the procedure seems to be still doable.
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