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What's DOS?
Posts: 1
Registered: ‎03-03-2018
Location: DE
Views: 948
Message 1 of 1

Can't boot from USB at T420

Hi guys,


I have a big problem: I have tried to install Windows 10 on my ThinkPad T420 from an USB-Stick, but I can't boot from it. The T420 has no OS and no DVD player. I tried an installation with a windows stick and an ubuntu stick, nothing works. Also I have set the BIOS options  Legacy Mode to "Both". Unfortunately I can't disable the secure boot because there is no secure boot option!? :/

There are any ideas?

Cheers Michel

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