ok, may try that. I actually did find an update for the AMD drivers, just performed that update:
Radeon Pro and AMD FirePro Settings Version - 2017.0210.908.16431
Driver Packaging Version - 16.60.2011-170210a-311203C-ATI
Provider - Advanced Micro Devices, Inc.
2D Driver Version - 220.127.116.111
Direct3D® Version - 9.14.10.01249
OpenGL® Version - 18.104.22.16869
OpenCL™ Version - 21.19.519.2
AMD Mantle Version - 9.1.10.0179
AMD Mantle API Version - 102400
AMD Audio Driver Version - 22.214.171.12424
Vulkan™ Driver Version - 1.4.1
Vulkan™ API Version - 1.0.37
I'm at work now, so will have to wait until this evening to see if it makes a difference. If not, I'll take your advice, thanks!