UEFITOOL AND IRF FOR MAC EXTRACTOR GITHUB INSTALL
Then execute the file and when it asks whether to install or extract, choose extract and save it somewhere you can easily access. To do this go to the downloads page for your PC/Laptop and download the latest BIOS. Universal IFR Extractor (Grab the latest IRFExtractor_vX.X.X_win.zip not ifrextract_vX.X.X_win.zip): to extract the PE32 file into human readable formĮmpty USB Drive, Smaller the better as some BIOS's can't boot to super large USBs and the boot file is less than 1 MB
UEFITool: to locate the PE32 file where the lock is located To undo this change we need to first find out the specific location of the bit that enables and disables the OC lock then use a tool to go in and modify the bios to disable the OC lock So the main thing that has changed with the new BIOS versions that are being pushed out is that Lenovo now enables the "Overclocking Lock" to prevent modifications to core voltage and turbo boost ratios from within windows regardless of privilege. If you are NOT comfortable with modding your UEFI/BIOS, I would stop reading here. I have tried this on my laptop and it has worked perfectly, however results might not be the same for you.
Notice 2: This guide assumes you have a US keyboard layout since keys and keycodes can be shuffled around in other layouts.ĭisclaimer: I am not responsible for any damage that might ensue from trying this yourself. Also this is my first guide so any comments on improvements would be great!
Notice: This will basically make the pludervolt mitigations useless. This same method is also used in the Hackintosh community to for the CFG lock (which doesn't apply to Windows). I have done this on my personal Lenovo Yoga 730-15IKB.
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