Question ps2 keyboard stopped working after some Windows 10 updates

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Jul 25, 2021
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Hi, I have an Asus Prime B560M-K mobo, and have been using a DDZone ps2 keyboard just fine for several months without problem.

well, to make a long story short. A few months ago, received a new USB keyboard, so I unplugged the DDZone ps2 keyboard to allow the new one to be tested.

today I want to use the old keyboard again. To a surprise, it does not work when plugged in.

question: about 3 or 4 windows updates have passed since I used the ps2 keyboard, did the newer windows updates somehow removed the drivers for it?
 
figured it out.

after some googling. Saw that Ps2 port need a restart or shut down to activate. Simply plugging in the keyboard to the ps2 port would not work.

I shut down the pc. Plugged in the Ps2 keyboard. Turned on the pc, and it works now. :)