I have had it in the past with other keyboards and other BIOSes, that a USB Keyboard/or a Keyboard on an adapter would work well in the booted Operating System, but would act up/not be recognized in BIOS/early boot. I suppose this is related to the various emulation modes that exist in this arcane part of PCs/BIOS. I have a USB-Keyboard connected which I can use for the BIOS, and I have also tried the Micro with my USB-Keyboard disconnected. The system (mainboard/BIOS) generally works with USB Keyboards. I added a pushbutton to the Micro so that I can "start" the procedure with proper timings, the L13 feedback shows me that the software on the Micro is working well and timings are okay, but the BIOS does not recognize any key presses. I am testing this in a text editor window, and the Micro is "typing" the things I want. So, I am trying to use an Arduino Micro to send keystrokes to the BIOS so that I can automate a "boot from USB-Stick" procedure without having to connect keyboard and screen. I would have put it in another section of the forum, but the link in the Keyboard Reference sent me here.) (As the title indicates, this is about the Arduino Leonardo Keyboard Library.
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