Dell Wyse ThinOS Version 8.6 Administrator’s Guide

Support for multi-monitors in Citrix session

This section is applicable to Wyse 5070 thin client. ThinOS supports ICA desktop multiple monitors in XenDesktop/XenApp 7.6 and later versions.

Prerequisites:

Increase the value of MaxVideoMemoryBytes REG_DWORD to support one or more 4K resolution monitors. For more information, see Citrix documentation at support.citrix.com.
Increase the display memory limit to support more color depth and higher resolution. For more information, see Citrix documentation citrix.com.

User scenario:

Connect multiple monitors to ThinOS device.
In the Display Setup dialog box, disable Mirror Mode, and configure the display layout.
Launch an ICA desktop with full screen.

Table 1. Display detailsDisplay details
Platforms	Best Display resolution	Maximum number of system displays
Platforms	Best Display resolution	Standard or RDS desktop—Windows 10 /2012 R2/ 2016	HDX 3D Pro desktop—Windows 10 with GRID K1/K2 GPU
Wyse 5070 Extended thin client	1920 x 1080	6	4
	2560 x 1440	6	4
	3840 x 2160	4	Not supported, due to GRID K1/K2 vGPU profile limitation.
Wyse 5070 thin client—Pentium processor	1920 x 1080	3	3
	2560 x 1440	3	3
	3840 x 2160	3	Not supported, due to GRID K1/K2 vGPU profile limitation.
Wyse 5070 thin client—Celeron processor	1920 x 1080	2	2
	2560 x 1440	2	2
	3840 x 2160	2	Not supported, due to GRID K1/K2 vGPU profile limitation.

Limitations

For standard or RDS desktop (Windows10/ 2012 R2 /2016) on Wyse 5070 Extended thin client, Dell recommends that you use up to four 4K monitors and remaining monitors with 1920 x 1080 resolution.
For HDX 3D Pro desktop using vGPU or GPU Passthrough, the supported resolution and number of supported monitors is based on the NVIDIA’s GRID support matrix.

NOTE: For more information about the Citrix official multiple monitors support, see Citrix documentation at support.citrix.com.