3 ms·
Just keep your MacBook closed when plugging in the external display (or wake it up with an external mouse or keyboard), and the internal display will stay off w
by cpr 14y ago
Just keep your MacBook closed when plugging in the external display (or wake it up with an external mouse or keyboard), and the internal display will stay off when you open it later (if you need to use the internal keyboard).
- adrianN 14y agoThis doesn't work anymore under Lion. I now have to use a small magnet to trick the lid-closed sensor.