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Hello, I have a LG 4k Monitor (LG 32UK580) connected to my MacBook Pro (15 inch, 2016), using macOS Monterrey 12.5, and for some reason it is impossible to use it at 60Hz. It only works at 30Hz. I'm connecting it through HDMI cable and Apple's USB-C to Digital AV (Model A2119). I would appreciate your help. Thanks.
MacBook Pro 15″, macOS 12.5
Thanks Grant,
I understand by your link that my computer is too old to connect it through the Apple USB-C Digital AV Multiport Adapter.
> 3840 x 2160 at 60Hz with these devices: 15-inch MacBook Pro introduced in 2017 or later).
But in the tech specs we find something different:
MacBook Pro (15-inch, 2016) - Technical Specifications
Video Support:
Simultaneously supports full native resolution on the built-in display at millions of colors and:
Thunderbolt 3 digital video output
The LG monitor has 2 HDMI and a DisplayPort conector. Should I try a DisplayPort cable? Am I understanding something wrong here. Thank you and thanks everyone!!!
The MacBook Pro (15 inch, 2016) can definitely can run 4k at 60Hz with no problem, but it has to be through the DisplayPort to USB-C.
I first bought the new Apple's USB-C to Digital AV (Model A2119) adaptor ($100) > This doesn't work.
Then I bought a $17 adapter (payed $4 with a discount), and it runs smoothly at 60Hz with all the resolutions available.
Thanks everyone for the help.
read carefully the supported computers in this article. I do not see your computer on the list to run 4K at 60 Hz:
About the Apple USB-C Digital AV Multiport Adapter - Apple Support
I think your computer is too old to run HDMI at 4K at 60 Hz.
.
See if anything in this link helps you --> Use an external display with your MacBook Pro - Apple Support
HDMI cables you want for HDMI-only Monitors (higher resolutions than 720p TV sets) are marked as Certified with an anti-counterfeiting tag and are labeled:
"Premium High Speed HDMI cable" or that + "with Ethernet" --OR--
"Ultra High Speed HDMI cable" or that + "48G"
Cables with No Certification tags are good for your standard 720p TV set, and not much more.
The Integrated graphics in your Mac are completely beside the point.
When you connect an external display, only the Discrete Graphics chip is used for all displays.
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HDMI was invented for consumer displays. when you have to push it near the 4K limits, it falls apart.
Your very nice LG display can accept a DisplayPort input, and a DisplayPort input is what you should use for fast, trouble-free display anywhere near 4K resolution or higher.
A cable/adapter like this one will fix you right up:
.
Thanks, but no solution here. It should work, but no luck
Thanks, I'm using the cable provided with the Monitor... no labels on it. You wonder it should be a proper one. I have tried with other cables, though no luck.
Quick note here on Apple's Intel HD Graphics 530
https://www.notebookcheck.net/Intel-HD-Graphics-530.148358.0.html
Thanks Grant, will try this tonight and let you know. Great help, thanks again!!!!
4k Monitor to MacbookPro running at 30Hz
