esmith1966 Posted October 6 Share Posted October 6 My Dell BIOS is latest version... Following these instructions to determine the correct UEFI variables to set so that I can enable 4k@60hz and to disable CFG lock 1. Download your BIOS flash program via Dell (search for your model, then click Drivers and Downloads and filter for BIOS) - Completed 2. Dell_PFS_Extract: Select folder containing your Dell .exe file (This will extract the raw BIOS .bin file) - Completed 3. UEFITool_NE_A58: Open 1 System BIOS with BIOS Guard vx.x.x.bin and export the Setup IFR section - Cannot figure this out... Stopped here cause I can't figure it out... 4. Ifrextractor: Use Section_PE32_image_Setup.sct as input file and write output to Section_PE32_image_Setup IFR.txt - Cannot figure this out... 5. Find variables by their name in the .txt file via Ctrl + F (e.g. DVMT or CFG or Thunderbolt) - Cannot figure this out... These are the extracted Bios Files https://www.dropbox.com/scl/fi/94pcxyxvotpm081r4aa7t/Latitude_5X11_Precision_3551_1.31.1.exe_extracted.zip?rlkey=rudezr9w5zzg6iwm8ulvlg3zu&st=t4pmip2h&dl=0 Can someone help me regarding this... All of this is from this site where 4k etc was enabled... https://github.com/MokkaSchnalle/macOS-Dell-5411-5511 Link to comment Share on other sites More sharing options...
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