keyboard does not not in bios

Hello

Today, I changed some settings in the bios of my Lenovo X 1 carbon (recently updated to the latest version): I had to disable the UEFI mode in order to boot from an external usb key. I thought that I restored the setting as they were at the beginning, but now when I enter the BIOS pressing F1 at startup, the keys on my keyboard do not respond! They work fine under win 8.1.

I don't know, maybe this problem is related to the support of legacy? How re - activate, if this is the cause of this problem?

Thank you

Nevermind, I solved the problem.

I tried to start the machine from an external usb in which was installed Memtest and Secure Boot did not allow for this. I restarted the machine and went back into the bios and everything was fine.

Tags: ThinkPad Notebooks

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