Keyboard not working after BIOS. What should I do? (Клавиатура не работает после биоса. Что мне делать?)

After installing 2 programs and rebooting in Windows, my keyboard and mouse do not work. I tried many settings in the BIOS (Version Ami 2.5x-2.6x). I searched for a long time on the Internet - did not help. USB keyboards don't work in BIOS. With a USB mouse, the same problem: it says the driver has been successfully installed , but there is no reaction from the device. I put a jumper in the motherboard to close the contacts - nothing has changed. I took out the battery (BIOS) for a certain time and then put it in - nothing. Keyboard and mouse (PS/2) are fine. On the keyboard ps/2 Num lock is o

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