02-29-2012 08:29 AM
When connecting the Y570 to a projector, it will only allow us to set the resolution of the 2nd display (projector) as high as the laptop display 1366x768. (choosing the extended display option)
There are a couple of higher resolution options, but when chosen, the screen goes black.
We have turned on the switchable graphics and set the default to the graphics card.
When I go into the Nvidia Control panel, there are only tasks for "3D settings" and "Video". According to its Control Panel Help, there should also be a "Display" task.
The display driver is current NVIDIA GeForce GT 555M driver version 220.127.116.1144
It really seems like there is something missing here - and that Lenovo has restricted the system in an
incomprehensible way. Why on earth would you put a 1GB graphic card in a laptop, but then also put in integrated graphics that is a default?
02-29-2012 08:39 AM
02-29-2012 08:52 AM
02-29-2012 05:51 PM
The drivers you're using are the best for your card try these 285.79 drivers I'm not 100% sure seeing I no longer own a Y570 but I'm pretty sure there was an extended display option. But even though I could be wrong, can't you go into control panel and select Display and then select connect to a projector, after selecting this you should see a extend option.
02-29-2012 06:32 PM
03-06-2012 04:52 PM - edited 03-06-2012 04:54 PM
also troubleshoot by setting the project as default display (single) or extended as a secondary display. the problem can occur if you dublicate to where you see same screen on both laptop and projector (which may refuse to go above the laptop)
im guessing its not graphics card because this should work with intel card with tons more resolutions (find a native to the projector size?)