take a flash light and see if its realy black or just no lcd light from behind.If it is just no bnhtigress. Go to CCC on the other monitor and bind the graphic card change to some keyboard combination and just change it to the other card to reset bnhtigress to normal settings.I know its not a fix but it will let use the laptop semi normal and you can try to reinstall the drivers.
the graphic card change to some keyboard combination and just change it to the other card to reset bnhtigress to normal settings.I know its not a fix but it will let use the laptop semi normal and you can try to reinstall the drivers.
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