Controller type is changed to AHCI mode (will cause Windows 0x7B Inaccessible Boot Device BSOD unless you start it in safe mode at least once to reconfigure storage controller drivers). Computer is at least 85% charged and not connected to AC power.ĩ. Legacy support mode is enabled (dual UEFI-legacy mode).Ĩ. Fast shutdown is disabled in Windows 10 to force full shutdown.Ĥ. If it does not work for you on the first try, check the following (most important points come first):Ġ. Sometimes, you have to only start pressing the F2 key about 2-3 seconds after you first press the power button to turn the laptop on. You need to press the power button to power the laptop off, then wait a couple of minutes before retrying. If you don't get in, you cannot immediately retry by pressing ESC or CTRL+ALT+DEL. I had to try many times afterwards to get the correct timing for this to work. You may get the advanced mode menu upon reboot. You may have to enter this 2-3 times before it will restart.Ĥ. While in Windows, open an elevated Command Prompt window.ģ. Press the F2 key FIVE times quickly (wait 1 second).ġ. Insert a USB flash drive (may need to be formatted NTFS and/or bootable to work).Ĥ. Turn off the computer fully (not fast shutdown).

Disabling these options allow me to flash a modded BIOS using Intel Flash Programming Tool within Windows (without having to use a HW programmer).ġ. Document Revision History for Using the Flash Programmer GUI 3. Generating Flash Files and Programming Flash Memory 2.7. Checking System ID and System Timestamp 2.6. Working with Flash Programmer Settings Files 2.4.

It allows you to disable CPU MSR lock, disable BIOS lock, disable Flash Protection Range Registers (allows Intel FPT to flash your BIOS) and enable SPD flash write, among many other options that I have not yet explored. Specifying your Flash Programmer Settings 2.3. I only tested this to work on a Lenovo Yoga 730-15IWL and a Yoga 730-13IKB.

Intel fpt flash programming tool