Win7 system play dungeon and warrior (DNF) black screen how to do

            First, the full screen change window black screen into the game
The first time is full screen, and then changed into a window (800 * 600) in the game. The second time you enter the game, you will be full screen first, then when you select the channel, it will be full screen. When you click on the channel, it will change back to the window. At this time, some will be black. The first person who opens double will have a black screen, so just change the screen to 1024*768 before entering the game. If you enter the game, it will not be black.
Second, play DNF in the process of black screen
First update the graphics card driver, the graphics card driver is best to download the corresponding graphics card driver from the official website of the graphics card, if necessary, re-install the system test for the machine. In addition, when the picture is switched to the next one, pay attention to close the input method as much as possible, close the chat 1:1, etc. In the case of a large number of players, the game server may be overloaded and cause a black screen.
Third, enter the game black screen
1, before entering the game, the graphics card screen rate is changed to 60 Hz, and then the screen resolution is changed to the maximum, but the effect is not very obvious.
2. After pressing the black screen, press 'O" and press ESC to make the game change to the minimum. This method is easy to use.
3, adjust the game image effect is reduced, the display settings are set to window mode, the effect settings are reduced