Why does my iClone5 slow down when I switch the shader mode or change 3D view size? To correct this, simply update your graphic card drivers to the latest version. Most new drivers offer improved the performance, it\'s important to keep up-to-date. - ATI: http://ati.amd.com/products/index.html - nVIDIA: http://www.nvidia.com/page/products.html- ......