>> I tried to turn it off using the actual num-lock key. This did not >> work, sort of. >> I can use the num-lock key to toggle how my keyboard works (e.g., switch from >> printing keys to printing the corresponding numbers). However, when >> num-lock was >> "off" and my keyboard worked as usual, I thought num-lock was actually >> "off". This >> apparently isn't the case. I realized this when I went into "System >> Settings -> >> Keyboard Layout" and looked at the on-screen keyboard. The num-lock key was >> highlighted. Note that pushing the actual num-lock key does not change this. >> In >> order to completely turn off num-lock, I needed to install numlockx and then >> run "numlockx off" > > Then this is a clear bug in this numlockx program, which you should > report. That this program seems to override the state of the hardware > device (i.e., your keyboard, is odd.)
Yes, this behavior is very odd. It's even more odd that it's a Thinkpad T420 laptop and not some exotic keyboard. It looks like there are some existing num-lock related ubuntu bugs that were supposedly fixed already.
