Symptom: When shooting or capturing video in Windows 7 system, it is found that the screen is completely black during playback.
Resolve processing: Solve the problem of blackening video appearing in local playback. There are generally two methods: one is to open the same file at the same time with two different playback softwares; the other method is to disable DirectDraw. We know that the DirectDraw feature is enabled under Windows XP and Ghost xp sp3. The difference is that users can disable it under Windows, while it cannot be disabled. However, we can disable it by other workarounds.
First expand the following items in the registry:
HEEY_LOCAL_MACHINESYSTEMCurrentControlSetControlGraphiceDriversDCI, then find and double-click "Timeout" in the right window, and finally change the default value "7" to "ldquo" in the pop-up window. ; After the modification is completed, the save settings will be exited and will take effect the next time you start.