Again, take your time, enter the correct numbers to make the changes. I've used larger fonts so you can see the numbers easily and not enter any wrong values. Step #1: Print out the file (attached below) before making the changes via a modified Grub shell you've booted to from a USB.
View attachment 485130 _ View attachment 485131ĭo not attempt to use these with any other Dell Optiplex models or with other BIOS versions. This guide doesn't got into specifics of those other models, only the following: To discover the offset values for the 3020 or 9020M you'll have to extract the BIOS and search for them on your own. These do not apply to the 2 Dell Optiplex 3020 form factors or to the micro sized 9020M models.
I've created a chart which includes the offsets that are specific to the Dell Optiplex 7020 A18 BIOS and 9020 A25 BIOS.įor only the USFF, SFF and MT form factors. Building a CustoMac Hackintosh: Buyer's GuideĬhanging the Dell OptiPlex Hidden BIOS/UEFI Settings
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