Windows7 video screenshot picture blackened solution

Users in the windows 7 system screenshot video screen is found to be black picture effect, Windows7 user screenshot picture black because of DirectDraw, but under Windows 7 DirectDraw can not Disabled, let's take a look at how the author solves the blackening problem of Windows 7 screenshot images.
DirectX Diagnostic Tool

Modify Registry

Under Windows 7, run Registry Editor, find HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Control \\GraphicsDrivers\\DCI, double-click "Timeout" in the right window "File, change the default value of "7" to "0", after the modification is completed, save the settings to exit, and then take effect the next time you start.
Registry Editor

Install Windwos7 Dedicated Driver

After modifying the registry and restarting the computer, DirectDraw is still enabled under Windows 7, indicating that modifying the registry does not reach the purpose of disabling DirectDraw. This situation is due to the fact that Windows 7 is different from XP in the graphics card driver, so special users need to download and install dedicated drivers under Windows 7, some public version drivers and some drivers under Windows XP. They cannot modify the state of DirectDraw under Windwos7. .

This way through the modification of the registry and the installation of Windows 7 dedicated driver windows 7 system screenshot video screen is a black image problem can be solved.