I wouldn't have sorted out my stuff without their help. My final tip is that there's a BIOS modding channel that you can turn to for help. If it doesn't prompt you to fix the value, you have to boot up an OS (I was using Linux) and set the system clock. My other tip is that the advanced menu replaces the clock setting screen, so if you've disconnected your cmos battery it can be a pain to set the system clock. IIRC they're in different places, so when you find each maybe poke around the same nvram area looking for other variables to clone. I'd recommend searching for a few characters of your product key in the broken bios image, finding the nvram variable (in my image it's in the variable LnvActivationVar), and cloning that into the appropriate place in the new one or just finding the var in the new one, extracting the contents, hexediting, and replacing. The alpha UEFITool it parses the nvram variables, but doesn't display their contents. If you bring your laptop back to life, then you can look at porting some of your mainboard bios settings over to the new image. so don't give up if the first one doesn't work. It didn't work, but what did was a different bios rev. I was focused on doing same bios version and extracting the image from the factory firmware. Extract the region from theirs, replace it in yours with UEFITool (there are 2 versions, I use the old/stable one for this stuff, but use the alpha version for nvram variable stuff). You should be able to find plenty of working bios images for your board on the bios mod request boards. Building a CustoMac Hackintosh: Buyer's Guideĭon't touch the other regions.
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