Intel Broadwell U and HDMI output issue

Dear Sir:

We are foucsed on the Intel Core I3 5010U(It is Broadwell-U Mobile processor onboard).But we got some troubles for as below issue

    播放MP4影片時, 畫面偶爾會出現斷線frame tear的現象

    現象發生時的示意圖如附件檔案

   Setup condition:

    1. 接HDMI output到其他monitor

    2. 本機隨便開啟影片

    3. 在本機上畫面不定時會出現斷線, 而在外接的monitor上沒有看到

Could you please do me favor and provided more help to me?