Seeing white camera views like this typically indicates that the driver for your video card or integrated chipset is outdated, There is information in this Knowledge Base article that can help you find your video information and how to update the driver:
http://www.homedesignersoftware.com/support/article/KB-00897
Additionally, some people see improved results by turning off the Hardware Edge Smoothing in the Render Preferences. You can find that setting by going to the Edit menu, Preferences and choosing the Render Panel.
If you need more assistance with this issue, please contact our support team at 208-292-3375 or visit our Support Center at http://support.homedesignersoftware.com