This kernel log shows it:
* initially coming up in mirrored mode, successfully * trying to set it to 2560x1600 and having the external monitor blank * then gradually stepping up the external monitor to 1920x1080 (where it works) and then 1920x1200 (where it doesn't work)
This kernel log shows it:
* initially coming up in mirrored mode, successfully
* trying to set it to 2560x1600 and having the external monitor blank
* then gradually stepping up the external monitor to 1920x1080 (where it works) and then 1920x1200 (where it doesn't work)