Spoke too quickly. Half-fixed in Utopic. It works if num-lock is disabled. Then the num-lock led also flashes with each key (does not light up in Trusty). But when num-lock is enabled in Utopic, it seems to fail again.
Spoke too quickly. Half-fixed in Utopic. It works if num-lock is disabled. Then the num-lock led also flashes with each key (does not light up in Trusty). But when num-lock is enabled in Utopic, it seems to fail again.