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1. Uefitool options greyed out install#
2. Uefitool options greyed out download#
3. Uefitool options greyed out windows#

Now click on "extract" and save the *.txt file to somewhere you can find later. The lower left should show a green "UEFI" if you extracted the file correctly. Locate the *.bin file you extracted in the previous step. Change the file extension to *.bin and save this file to somewhere you can find later. Right click on the row and select "Extract as is". This should expand the file tree in the top left window and highlight a PE32 image section file. You should see a result show up in the lower left window on the main screen. Switch to the "Text" tab and search for "Overclocking lock". Search for the PE32 file by hitting "ctrl + f" to open up the search dialog. In that folder there should be a file in one of the following formats: ROM, BIN, CAP, BIO, FD, WPH, or EFI. Open up UEFITool and locate the folder of extracted files. Open that up in 7zip and extract all the files into a folder you can locate later. You should see a folder and inside that folder there should be a *.exe file. Now open 7zip and locate the folder where the previous files were extracted to.

Uefitool options greyed out install#

Then execute the file and when it asks whether to install or extract, choose extract and save it somewhere you can easily access.

Uefitool options greyed out download#

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

Uefitool options greyed out windows#

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.