Microsoft Wireless Display Adapter Refresh Rate

markinhfx · Jan 13, 2015

Hello, I hope I have the right forum....
I have the Microsoft wireless display adapter and am running windows 8.1 with all updates. I can connect no problem however I am limited to a max of 30MHz refresh rate which is very slow. If I plug directly in via HDMI I can run at 60MHz other posts I have read suggest that this is a limitation built in to Windows 8.1???? and the miracast technology. Does anyone know of a workaround?
Thanks
Mark

USAFRet · Jan 13, 2015

I would expect that to be a limitation of the wireless tech, not Win 8.1.

markinhfx · Jan 13, 2015

When the Windows 8.1 update came out it rolled back miracast support to 30Mhz from what I have found researching this so far... However I am thinking there must be a solution somewhere

USAFRet · Jan 13, 2015

Possibly more info here:
https://communities.intel.com/message/209725

"The refresh rate is expected behavior starting with Windows* 8.1 as the new Miracast* frame work in Windows* 8.1 will set the refresh rate to match the Intel® WiDi capture rate which is 30fps. In other words, 30 Hz is the maximum refresh rate by default using Miracast*. Using some lower resolutions may provide 60Hz in some cases, depending on the supported screen resolutions by the TV model."

markinhfx · Apr 14, 2015

I was aware of this, however I thank you for posting. I am however trying to find a workaround. As apparently prior to 8.1 everything ran at 60Hz so hopefully there will be a workaround...... 30Hz is to slow

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