Had the same problem with the on/off switch on a Amstrad CPC once. While not plugged in, I switched the button on/off quickly a couple of (many) times.
Thing started working!
I guess the QL reset button is not the same build, but it's worth a try
I was hooked on this adventure a while ago, completed it, but... now I really have to think VERY hard. I think it had something to do with burning the tobacco to make it look like the volcano was going to erupt...or was that after passing the conquistadores??
Ciao, I just received my Mist devices..... I am astonished positively by the quality, in a minute I was able to start QL using my wireless keyboard and LCD display , all works well and I think it is a good investment I did. I am playing around with the device loading the usual extension and ...
Probably a lot of these Ql-World progs you can find on Dilwyn's site.
e.g. I know for sure that the Darts game in the "Q-Games" collection is one of them, as I once typed it in myself many many years ago.
Thanks to Dave's/Sandy's felt pads i've recovered some cartridges and one contained 2 othello games. One of these is 3D and certainly is French, but doesn't mention Pyramide.