Windows7 playback DVD on external monitor disconnect HDMI no image on notebook screen

Source: Internet
Author: User

Use a laptop to connect the LCD TV to the DVD movie through the HDMI interface, and when we set the display mode to "projector only", set the Windows in the media Player or Windows Media Center to play the copy protected DVD when the DVD playback complete, disconnect HDMI after the line, the notebook computer does not show any images, unless HDMI The cable is reinserted into a portable computer or laptop reboot, which can cause our data to be lost. We can download an update patch from Microsoft's official website to solve this problem with the following link address:http://support.microsoft.com/kb/981721

Note: If we play a copy-protected DVD , this type of problem will not occur. This issue seems to have some relation to replication protection.

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