My keyboard trouble shooter is no longer on my computer to see why certain keys are no longer working, how do I diagnose what is wrong?

[Windows Server]

I have a Dell Inspiron 13 on Windows 11.I have restarted, removed the keyboard, and restarted, but that didn't work either. The keys are clean and have had no physical damage.Everything I see suggests running the troubleshooter first, but it isn't available on this model.Please help, as this is only a few years old.

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