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TP Helix II (20CG/20CH) looking for older (!) bios-files

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friedrich-eugen
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TP Helix II (20CG/20CH) looking for older (!) bios-files

#1 Post by friedrich-eugen » Thu Jan 08, 2026 6:19 am

Hello,

my Helix 2 (20CH...) has a very old Bios 2015 (1.83)... my files (update to 2.16) do not update this one.

Does anyone have files für older Bioses

1.92 (02-2017),
1.93/1.93-166 (03 &07-2017)
2.00 (06-2018)

and could manage to send them to me or tell my how to find/access those files (PM)?

Is there a tool (Lenovo), that could do the trick without intermediary?

Thanks in advance!!
-friedrich-eugen-
started with IBM-XT & AST-Ascentia (910N) in the 90ties, relying on Thinkpads (770X, A31P, T60-61P Frankenp., W530 i7 3940QM, X230T i7 3520M) until 2024 now TP P1G6 ( i7 13800H nVidia 64GB 2TB) & Yoga X390 (i7 16GB 2TB)
Windows 11 Pro

RealBlackStuff
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Re: TP Helix II (20CG/20CH) looking for older (!) bios-files

#2 Post by RealBlackStuff » Thu Jan 08, 2026 6:59 am

Pick your choice.
(scroll down)
Lovely day for a Guinness! (The Real Black Stuff)
But I actually prefer Murphy's from Cork!

friedrich-eugen
thinkpads.com customer
thinkpads.com customer
Posts: 346
Joined: Mon May 24, 2004 9:44 am
Location: Rohlfshagen (Schleswig-Holstein), Germany

SOLVED: TP Helix II (20CG/20CH) looking for older (!) bios-files

#3 Post by friedrich-eugen » Thu Jan 08, 2026 7:18 am

Thanks,

I never had to look for very old files... and obviously i was not doing it carefully enough. Thanks to You and a TPader in Turkey, I got what I need...

But: I had to overcome some more problems, as under Windows 11/25H2 Update would not run as Windows did not like tdklib64.sys
(part of the updateprogramm. ) I had to enter Bios and end all security (Boot/Ram/TPM..) precaution, but no change...


Than I used an slightly older Win11-System and a system-ssd I had at hand, luckily, to proceed... and success I'm not quite shure, how (!) that did
work ...

Have a good an happy New Year, stay safe and well
-friedrich-eugen-
started with IBM-XT & AST-Ascentia (910N) in the 90ties, relying on Thinkpads (770X, A31P, T60-61P Frankenp., W530 i7 3940QM, X230T i7 3520M) until 2024 now TP P1G6 ( i7 13800H nVidia 64GB 2TB) & Yoga X390 (i7 16GB 2TB)
Windows 11 Pro

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