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Lenovo yoga 720 notebook fancontrol9/25/2023 ![]() The userspace efivar can be used to create this variable: On some pre-2022 models, you can create an EFI variable, 6ACCE65D-DA35-4B39-B64B-5ED927A7DC7E-cE! and set it to 1 to enable the advanced options. There are a few known methods that may unlock the advanced options. Some Ideapad and Legion models have some of the more advanced UEFI options locked. Warning: DO NOT change any options without understanding the consequences or you may risk permanent damage to your device and potentially void your warranty. Run the installer: install.bat (for BIOS) or MEUpdate.CMD (for Intel ME Firmware).Connect your device to the external power supply.Follow Windows PE to create a bootable USB stick and use the directory with the extracted artifacts as overlay.Use innoextract to extract the artifacts from the.If your installer is compressed into an archive unpack it until you are left with the.Download the Firmware/BIOS update for your device from the.When performing BIOS updates do not skip intermediary versions! If you are currently on version 1.1 and there are updates to versions 1.2 and 1.4, apply first the update to 1.2 and then the one to 1.4. To determine your current BIOS and firmware versions use dmidecode: These steps were tested on a Lenovo Yoga 9 14ITL5 (Phoenix BIOS) but should be applicable to other devices as well. Warning: The following instructions can permanently damage your device. ![]()
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