Forgot to mention my DxDiag, please see below:
------------------
System Information
------------------
Time of this report: 9/23/2016, 00:03:10
Machine name: SRV1-LAB-RDG
Machine Id: {2D933AF6-7951-4CEB-9E8B-EAE73950CEC5}
Operating System: Windows 10 Pro 64-bit (10.0, Build 14393) (14393.rs1_release_inmarket.160906-1818)
Language: English (Regional Setting: English)
System Manufacturer: Apple Inc.
System Model: iMac15,1
BIOS: IM151.88Z.0207.B06.1602221600
Processor: Intel(R) Core(TM) i5-4590 CPU @ 3.30GHz (4 CPUs), ~3.3GHz
Memory: 32768MB RAM
Available OS Memory: 32708MB RAM
Page File: 2925MB used, 29782MB available
Windows Dir: C:\WINDOWS
DirectX Version: DirectX 12
DX Setup Parameters: Not found
User DPI Setting: 144 DPI (150 percent)
System DPI Setting: 96 DPI (100 percent)
DWM DPI Scaling: Enabled
Miracast: Available, with HDCP
Microsoft Graphics Hybrid: Not Supported
DxDiag Version: 10.00.14393.0000 64bit Unicode
------------
DxDiag Notes
------------
Display Tab 1: No problems found.
Sound Tab 1: No problems found.
Sound Tab 2: No problems found.
Input Tab: No problems found.
--------------------
DirectX Debug Levels
--------------------
Direct3D: 0/4 (retail)
DirectDraw: 0/4 (retail)
DirectInput: 0/5 (retail)
DirectMusic: 0/5 (retail)
DirectPlay: 0/9 (retail)
DirectSound: 0/5 (retail)
DirectShow: 0/6 (retail)
---------------
Display Devices
---------------
Card name: AMD Radeon HD 7800 Series
Manufacturer: Advanced Micro Devices, Inc.
Chip type: AMD Radeon Graphics Processor (0x6819)
DAC type: Internal DAC(400MHz)
Device Type: Full Device
Device Key: Enum\PCI\VEN_1002&DEV_6819&SUBSYS_0139106B&REV_00
Device Status: 0180200A [DN_DRIVER_LOADED|DN_STARTED|DN_DISABLEABLE|DN_NT_ENUMERATOR|DN_NT_DRIVER]
Device Problem Code: No Problem
Driver Problem Code: Unknown
Display Memory: 18384 MB
Dedicated Memory: 2030 MB
Shared Memory: 16354 MB
Current Mode: 1920 x 1080 (32 bit) (60Hz)
Monitor Name: Generic PnP Monitor
Monitor Model: iMac
Monitor Id: APPAE02
Native Mode: 2560 x 2880(p) (59.982Hz)
Output Type: Internal
Driver Name: aticfx64.dll,aticfx64.dll,aticfx64.dll,amdxc64.dll
Driver File Version: 8.17.0010.1460 (English)
Driver Version: 16.200.1035.1001
DDI Version: 12
Feature Levels: 11_1,11_0,10_1,10_0,9_3,9_2,9_1
Driver Model: WDDM 2.0
Graphics Preemption: DMA
Compute Preemption: DMA
Miracast: Not Supported by Graphics driver
Hybrid Graphics GPU: Not Supported
Power P-states: Not Supported
Driver Attributes: Final Retail
Driver Date/Size: 08/07/2016 01:00:00, 1537512 bytes
WHQL Logo'd: Yes
WHQL Date Stamp: Unknown
Device Identifier: {D7B71EE2-2B59-11CF-6F76-3321BEC2C535}
Vendor ID: 0x1002
Device ID: 0x6819
SubSys ID: 0x0139106B
Revision ID: 0x0000
Driver Strong Name: oem86.inf:cb0ae4146e004d15:ati2mtag_R575B:16.200.1035.1001😛ci\ven_1002&dev_6819
Rank Of Driver: 80D12001
Video Accel: ModeMPEG2_A ModeMPEG2_C ModeVC1_C ModeWMV9_C
DXVA2 Modes: DXVA2_ModeMPEG2_VLD DXVA2_ModeMPEG2_IDCT DXVA2_ModeH264_VLD_NoFGT
