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mailman199

macrumors 6502
Original poster
Nov 4, 2008
301
234
New York
Having troubles with my new 2016 MBP 13" baseline. Connecting to an LG 27UD68 4k 27" display via HDMI and an Apple adapter and only getting 30Hz.

Any ideas why its not running at 60Hz?
 
Yeah, only HDMI 2.0 can handle 4k @ 60Hz. Use display port if you can, otherwise try to see if your monitor supports HDMI 2.0 and you have an appropriate cable/adapter.
 
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Ok, I'm using the Apple USB-C adapter and the LG cable. All say they can handle 60Hz. Not sure DisplayPort is an option on the USB-C only MB models?
 
Perhaps it's going USB-C/TB3 to HDMI 1.4 rather than 2.0.

I second the idea to try to use a TB3/USB-C to DisplayPort cable.
 
Having troubles with my new 2016 MBP 13" baseline. Connecting to an LG 27UD68 4k 27" display via HDMI and an Apple adapter and only getting 30Hz.

Any ideas why its not running at 60Hz?

The Apple HDMI adaptor only does 4K @ 30hz. As others have said try a USB c to DisplayPort


http://www.apple.com/shop/product/MJ1K2AM/A/usb-c-digital-av-multiport-adapter?afid=p238|s3kpSGqXc-dt_mtid_1870765e38482_pcrid_52243316890_&cid=aos-us-kwgo-pla-btb-slid--product-MJ1K2AM/A
 
From apple website "This adapter allows you to mirror your MacBook or MacBook Pro display to your HDMI-enabled TV or display in up to 1080p at 60Hz or UHD (3840 by 2160) at 30Hz."
 
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Having troubles with my new 2016 MBP 13" baseline. Connecting to an LG 27UD68 4k 27" display via HDMI and an Apple adapter and only getting 30Hz.

Any ideas why its not running at 60Hz?
Is your HDMI cable capable of that data transfer? 18Gbps ?
 
Having troubles with my new 2016 MBP 13" baseline. Connecting to an LG 27UD68 4k 27" display via HDMI and an Apple adapter and only getting 30Hz.

Any ideas why its not running at 60Hz?

Hey very curious on your results if you tried using a DP versus HDMI.
 
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