I have a Razer Blade 2019 (2070MQ, 9750H). When I'm using an external USB-C monitor (ASUS MB16AC), the refresh rate of the laptop's actual monitor gets forced down to 60hz from 240hz. As far as I can tell, the external monitor suddenly gets attached to the dGPU and the main monitor is forced to use the iGPU?
Is there any way to stop this? It gets pretty frustrating. I want my main monitor to stick to buttery 240hz and my second monitor for productivity be used for 60hz.
Razer Blade 2019 Main Monitor Drops Down to 60HZ with USB-C Monitor (SOLVED)
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For anyone reading this, I found the solution.
When you plug in an external monitor, whether it be mini-DP, HDMI, or USB-C, your external monitor gets plugged in directly to the dGPU and your main monitor matches the refresh rate of your external monitor. It's dumb.
If you install MSI Afterburner, you can specify the OS in Display->Graphics Settings to say when MSI Afterburner is on, always use the High-Performance GPU. This forces the main display to always use the dGPU. When you want battery saving, just close Afterburner...
This way, you can plug in a USB-C monitor that's 60hz and keep your laptop monitor at 240hz.
When you plug in an external monitor, whether it be mini-DP, HDMI, or USB-C, your external monitor gets plugged in directly to the dGPU and your main monitor matches the refresh rate of your external monitor. It's dumb.
If you install MSI Afterburner, you can specify the OS in Display->Graphics Settings to say when MSI Afterburner is on, always use the High-Performance GPU. This forces the main display to always use the dGPU. When you want battery saving, just close Afterburner...
This way, you can plug in a USB-C monitor that's 60hz and keep your laptop monitor at 240hz.
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