Re:Buying a laptop, check if it has nVidia Optimus, its purp...
by masklinn on Saturday January 25, 2014 @10:15AM
(#7120986)
> I have a Lenovo Thinkpad W520, with nVidia Optimus. What they didn't tell me was that the external VGA port is hard-wired to the nVidia GPU
FWIW, mixed-GPU Apple laptops have the exact same issue (although there's no reboot necessary), external displays can only be driven from the discrete GPU not the integrated one.
FWIW, mixed-GPU Apple laptops have the exact same issue (although there's no reboot necessary), external displays can only be driven from the discrete GPU not the integrated one.