1 in the Windows XP era, many users have been plagued by video screenshots of "All Black pictures." In this respect, in the resolution of the local playback screen black problem, there are generally two methods can be used to solve, one method is to use two different players, while opening the same file; Another way is to disable DirectDraw.
2 users who are familiar with Windows XP and Windows 7 should know (by default) that DirectDraw is enabled under Windows XP and Windows 7. The difference is that users can disable it under Windows XP, and it cannot be disabled under Windows 7, which means that Windows 7 users cannot solve the problem of screenshot black with the "Disable DirectDraw" method.
3 By default, DirectDraw under Windows 7 cannot be disabled. By default, DirectDraw in Windows 7 cannot be disabled, but we can disable it in other ways:
4 under Windows 7, run Registry Editor, navigate to Hkey_local_machine/system/currentcontrolset/control/graphicsdrivers/dci, Then locate and double-click "Timeout" in the right window, and then change the default value "7" to "0" in the pop-up window.