To check if your monitor is 4K, there are multiple options available. For one, you can simply check the box that the monitor came in and look for signs that it supports 4K. Since 4K is, well, the main selling point of such a monitor, it shouldn't be hard to find. Secondly, you can download MonitorInfoView.
The best way to check if your computer supports 4K is to look for a 4K-compatible graphics card. If you're using an NVIDIA or AMD graphics card, you can check the manufacturer's website to see if it supports 4K. You can also look for a "4K ready" logo on the box or online description of the graphics card.
2. +50. First, rule out monitor issues. With LG 4K monitors, usually you have to turn on settings like "HDMI Ultra HD Deep Color" to enable 60 hz support. Also, verify that the HDMI input you are using supports 4k 60hz--may need to check the user's guide for this. Either one of those could explain why DisplayPort works at 60 Hz but HDMI does
HDMI Alt Mode supports HDMI 1.4b which does support 4K video, but only up to 30 frames per second (it does not support HDMI 2.0). While this may be adequate for office PC applications, casual web browsing, and photo editing, 30 frames per second is not adequate for gaming and high quality video playback.
HDMI 1.4: This connection can easily deliver 4K from your PC. They are tested to transfer 1080p to 4K. So if you have such HDMI connection, you are free. HDMI 2.0: This cable can do everything the 1.4 cable can. However, it offers a wider range of shades for your 4K devices.
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does my device support 4k
