External Monitor iPad resolution issues

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Randy Magruder

February 24, 2021 17:36

I have an iPad Air 4 using an Anker USB-C hub that supports 4K 60 via HDMI.  It's plugged into a 4K HDR ViewSonic computer monitor.

I'm remoting into a 4K-capable hp Windows 10 laptop.

The best I can seem to manage is that the iPad is sending a 1440p signal to the monitor (not 4K), and the maximum computer desktop resolution I can get with Fluid is 1920x1080.  I've tried all the various combinations of settings I can find in the app, as well as tried to change my computer's resolution in Windows on the laptop (which now says 1920x1080 is the maximum even though when I use it directly it supports my 4K monitor at full resolution just fine).

Is there something I'm missing?  Heck I'd even settle for a 1440p Windows desktop here, as the 1920x1080 fonts are ...fluffy.

Thanks,

Randy

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  Randy Magruder July 20, 2021 15:54

  Welp, it's been 5 months since I posted this.  And no responses from ANYONE?  

  The 4k display option shows up on the menu at the top, but will not select.  Is this an iPadOS issue?  Or is this is a Jump Desktop issue?

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  James Rozendaal October 11, 2021 18:23 (Edited October 11, 2021 19:26)

  Hi- I have a 12 South Stay Go hub that is also supposed to support 4K HDMI but I had the same issue as you, Jump Desktop wouldn't allow me to choose the higher resolution. I don't use the hub at all, I connect the ipad to an ultrawide 3440x1440 monitor via USB-C. That allows me to get the max resolution on Jump Desktop and power to iPad. If anyone knows how to get this to work over HDMI please let us know. Thanks.

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  Rune Mariboe December 31, 2021 00:47 (Edited December 31, 2021 00:53)

  We all have this issue - try getting in touch with the devs, maybe they've figured something out since I last spoke with them :)

  I could also only get it to work with 1440p and less. I bet there's a USB-C to DP converter built into that display, BTW :)

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  Michael Lachmann Tamarlin January 18, 2022 21:00

  On my iPad Pro m1 12.9, I can get 2560x1440 on an external monitor. I can't get the native 3840x2160, even though apple TV manages 3840x2160 on the same setup.

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  Paolo Tosco August 27, 2022 09:59

  Any updates on this topic? I am connecting an iPad Air 4th Gen through an external monitor using Apple's USB-C HDMI dongle.

  iPad Air 4th Gen supports 3840x2160 @30Hz.

  Jump Desktop only offers up to 2560x1440 @60Hz for the external monitor resolution. There is an entry for 3840x2160, but it cannot be ticked.

  It would be great if Jump Desktop could support 3840x2160 @30Hz, since the hardware allows this.

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