Win7 switch to dual graphics card when there is a black screen solution

Computer black screen, is a relatively serious problem in computer failure, many computer novices see this situation, always worried, I feel that the computer is completely broken. The general computer black screen will have wrong prompts, and the black screen will be solved according to the prompts, but the most frightening thing is that some black screens will not generate any prompts, which also makes the repair work impossible. This is not, recently a user responded that when he switched between dual graphics cards, the computer suddenly blacked out, and there was no prompt, I don't know what to do. The following small series lists several reasons for causing the computer black screen for reference. Come and see it!

1. If the win7 Ultimate computer has a black screen, the first thing you can do is to restart yourself. Win7 Ultimate computer, after restarting, you can move the mouse to the taskbar window below, then click the right mouse button, select Start Task Manager in the slide menu, then switch the window to the process column, will The programs with large load are all turned off! Although there is no program open after restarting the computer, and some programs may be booted, this step is very important.

2. If the above operation can not solve the problem, you can right click on the computer icon of win7 Ultimate computer, and then select Manage. In the computer management interface, click System Tools - Device Manager in the left menu. , then find the graphics card driver in the right window, right click to upgrade the driver.

The black screen of the computer is not a terrible method. Under normal circumstances, you can try to restart it. If the restart is still not solved, try the above methods one by one! The right medicine, there are always solutions!