any changes on dual video support on laptops?

[jontis]

I don't know that much about it, but I figure that for switching OFF a card, there shouldn't be any drivers that you need. The off switch was working for me.

Just my guess.

I notice that you wrote

cat OFF > switche

I think for listing status, it is

cat switch

for issuing commans, it is

echo OFF > switch

Could that be the problem?