![]() I’ve seen reviews of other adapters on amazon where users have managed to get with the same mbp and similar switchresx settings. If changing the cable has no effect I’d be interested to know if you think the mdp->hdmi adapter could be at fault. If these sound like possible cable issues then hold fire and i’ll report back in a couple of days and let you know how I get on. Switching to 1080p fixes the chroma issue. With regards to 4:4:4 chroma, even dropping down to 25Hz is no help, it’s clearly running in 4:2:2. SwitchResX is a tool designed to manage resolutions of all your monitors. ![]() I’ve had a further play and I can actually get an output at 60Hz after tweaking switchresx ( ) but the picture loses all sharpness similar to that seen at 30Hz. Replace it with the IP address you found on your Windows or macOS device in. Regarding bpc, i’m using the “millions of colors” option in switchresx. Just in case I’ve ordered a new cable ( …) so will give this a try as soon as it arrives. SwitchResX by Stphane Madrau Dictate how your screen works on your computer Operating system: Windows Publisher: Stphane Madrau Release : SwitchResX 4.8.1 Last revision: Last week SwitchResX allows you to dictate how you use your screen and coloration and resolution without having your computer dictate it for you. Uncheck 'Show compatible hardware' and select the 'Digital Flat Panel' for your monitor. Click 'Browse my computer', then 'Pick from a list'. Expand Monitors, then right-click your monitor and click 'Update driver software.'. Regarding the cable I’m using, i’m not sure of it’s origins but it’s marked as a high speed cable. In Device Manager, try manually installing a driver for your monitor. Anything above 8bpc is limited to a refresh rate. That said, would you be able to let us know the specific HDMI cable that you are using? I’d like to confirm that it is HDMI 2.0 capable in order to support and 4:4:4 chroma.Īlso, would you happen to know the color depth “bpc” setting that your graphic settings our running? Our adapter can only support with 4:4:4 chroma at an 8bpc as defined by HDMI 2.0 specification ( …). As it seems you have found, using SwitchResX or other 3rd party applications must be used on previous Mac systems in order to create a custom resolution to achieve 4K at 60Hz, however, in our experience some customers have better results than others. Unfortunately, is tricky within Mac OS and we may not be able to resolve all of the issues you are experiencing, but I am happy to help investigate what may be happening.
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