If you are using a backdated USB driver then there is a higher chance of the USB port won’t work. So, whenever you face this issue, Step 1: Right-click on the Start menu and choose Device Manager. Step 2: Scroll down and click on Universal Serial Bus Controllers to expand. Step 3: Now, right-click on the USB drivers and update them one by one. Alternatively, connect a PS/2 Keyboard or mouse, or use an adapter (keyboard/mouse may or may not work with the adapter, all depends if it still has support for it). By the way, I am assuming you tested the USB ports under Windows XP. As in, you plug a USB flash drive or something and heard Windows XP hardware added sound or something. tbomo February 11, 2022, 7:06am 1. Hello thank you for listening, I am a beginner and I am currently having a problem with getting a PS2Keyboard to connect properly to an esp32-wrover. Specifically, pins 32/data and 32/Clock are not sending out the proper information, and the keyboards signal leds that flash once when it's fully connected. The PS/2 driver is a Generic keyboard driver that comes with mostly all Windows OS and is uses a specific port to work. It will not cause any conflicts with the HID keyboard driver since it's uses a different port. You can disable it if you want. Regarding the built in-keyboard not working intermittently , If you already tried a USB keyboard Sometimes a keyboard will just not work after your computer boots up. Your keyboard can stop working for several reasons at start up but the most common are either a broken keyboard or a malfunction in your computer’s USB or PS2 port. Learn how to troubleshoot and fix a keyboard that will not work after start up for Windows XP, Vista and 7 computers.
In reply to pedro59rd's post on November 25, 2017. Yes it is Windows 10s default behaviour to disable PS/2 ports if you install it without a PS/2 keyboard plugged in. I have had a number of new system units delivered with non working ports but so far the registry fix above has worked for me. There was NO warning of this behaviour and it took
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    • ps2 keyboard not working