Re: When I have video clips on my timeline, they do not play in the monitor screen. I hear the sound track but can not see the image. To test if my new files are somehow the problem, I went back and used video files that I used successfully a year ago, an

•What is your exact brand/model graphics adapter (ATI or nVidia or ???)

•What is your exact graphics adapter driver version?

•Have you gone to the vendor web site to check for a newer driver?

•For Windows, do NOT rely on Windows Update to have current driver information

•-you need to go direct to the vendor web site and check updates for yourself

•ATI Driver Autodetect http://support.amd.com/en-us/download/auto-detect-tool

•nVidia Driver Downloads http://www.nvidia.com/Download/index.aspx?lang=en-us