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Bios input method

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Elite 8300 sff
Microsoft Windows 10 (64-bit)
I have a Compaq Elite 8300 sff i7. USB keyboard doesn't work on bios or boot menu. Are they ps/2 only or is there a priority USB port? Thanks in advance.
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> USB keyboard doesn't work on bios or boot menu. 


Connect a PS/2 keyboard.

Reboot and enter BIOS SETUP.

There should be an option to "enable" the usage of USB devices.

Enable it.

Save/Exit from SETUP.

As it reboots, try the keys on the USB keyboard.


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