Well, my BIOS is by American Megatrends, and I discovered that they have a set of utilities that includes one called AMIDEDOS. 2200 Machine Type And Serial Number Are Invalid.After a great deal of frustration and time, I was finally able to obtain a replacement motherboard from Lenovo.I have now installed the motherboard, and it is working. ↳ ThinkPad X20/X30/X40 Series incl.Does anybody know how to set the new Machine Type and Serial Number after a motherboard replacement for an H535?The motherboard recently failed on my H535 (outside of the Lenovo warranty but still under my credit card's extended warranty).↳ ThinkPad SL and L Series until L420/L520.↳ Forum Notices, Questions and Suggestions.FORUM RULES, HOW-TOs and FREQUENTLY ASKED QUESTIONS.BTW, since I have upgraded (a bit) my MB, should the MTM change as well? FRU 01AY360 (6700,2G,WIN,N-AMT,Y-TPM,N-RA) -> FRU 01AY364 (6820,4G,WIN,Y-AMT,Y-TPM,N-RA) Not sure what is needed, here are some of the details:īIOS: wmic bios get name: N1EET57W (v1.30 ) So far all solutions I could find didn't work for me, unfortunately. Some people say that they were able to get somewhere a specialized BIOS tool that can update those fields and this SW is given to the service centers, not intended for end-user usage. I searched the web, and couldn't find a solution.
I tried also first make a FreeDOS bootable with Rufus and then run that mkusbkey.bat batch file to copy necessary files, however, after booting from it - there is nothing to do: not a single EXE file (except for the LOCALE directory which holds drivers for screen and keyboard, probably coming from FreeDOS). Despite the documentation clearly states that running mkusbkey.bat file will make USB drive bootable, it doesn't. IOS%2FUEFI, which is P50 support product page) I couldn't create a bootable disk with it. However, after downloading "BIOS Update Utility (Windows)" (from here. As I understood from numerous posts here and there I need to prepare a bootable disk (USB) with the utility from Lenovo and this should give me the option to update those fields. Installed it a week ago and everything is perfect, but the INVALID Machine Type Model, Serial Number, UUID. I bought a new motherboard for my broken P50. The BIOS update utility from support pages doesn't work for me. TL DR: Hi, I need help in finding a way to update MTM/SN/UUID on new P50 MB.
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