I am trying to enter K3 Commands through my P3. Following procedure, I am supposed to see a small blue window on the P3 to enter commands. I used to be able to do this but now, there is no blue window. I have a feeling that it is hiding and will not show. I know that I am close to finding it but not there yet.
I do have a USB keyboard into the rear of the P3 and I know that it works.
I do have the P3 set to show SVGA data and it is "on" using the Knob.
The keyboard you use must not be a multimedia keyboard. It needs to be a 'dumb' keyboard without any multimedia functions. You'll probably need to go looking at Goodwill or similar store to find them.
I know of two Dell keyboards that work. Both are 'KB212-B'. But that is not enough. I had to sample multiples to find ones that work. There is a 'D P/N' at the bottom of the Dell sticker on the back. Two part numbers I know that work are '0DJ458' and '0DJ454'. There may be others that work as well. YMMV.