The question then would be how to keep that one and not whatever is being loaded later on. Surely there must be some default/generic driver that is loaded at that point for anything to be displayed.
It's not just displaying a centered 1080p screen at 1:1 either, though, as I can move the mouse throughout the entire visual field (when in the startup drive selection screen). When booting on the Mac side, it displays and then when it reaches the login screen, it displays Addtionally, visually I can see that everything is one half the size and there is no blurring or other upscaling artifacts that can be seen close up when it's on 1080p mode. So for instance, when I boot into Windows, it will show during start up, stretching it during the scale, but once presented the login screen, it will display (odd that Windows defaults to 24).
The monitor will upscale the output from the Mac and use all the pixels on the screenįor one, the TV always displays the current video information when it changes in an overlay. Just how do you know you are using 4K for the startup screen and boot-selection screen? No drivers are loaded yet. But as soon as it gets to the login screen, it switches to I know the system is capable of it, but it seems to be a driver issue where the driver doesn't think it has the bandwidth, but it actually does, and it must be something that is loaded after the main boot, but before the login screen.
OTOH, the system does run at in two instances: the initial boot screen (Apple logo with progress bar) and the start up disk selection screen (boot while holding option). I went out and bought another HDMI cable specifically marked as suitable for and had the same error. I installed Windows 7 on Bootcamp and the Intel Graphics Driver information panel noted that the TV supports but claims that there is not enough bandwidth to actually do it. I understand I'll only be getting 30Hz, for the work I'm doing that's more than sufficient. When I go to Display Preferences, it's not listed under scaled (even if I hold down option first so that it lists all resolutions). I was, however, able to get it to run at 2K at 60Hz. When I export the EDID, I get the settings for 4K for the monitor, but OS X claims that they are invalid and SwitchResX won't let me use them.
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