.NET Framework 4.0 is an internal Windows component that supports building and running next-generation applications and XML Web Services. Recently, some Windows 7 system users reported that a blue screen appeared after installing .net framework 4.0 on their computers. What to do? Let’s take a look at the solution!

1. If the computer keeps having a blue screen and cannot be accessed, press F8 after restarting and then enter safe mode to uninstall .net framework4.0;

2. If you can enter the system, then try to update the Windows 7 system driver, especially the graphics card driver (the graphics card driver has the greatest relationship with .net framework 4.0).

The above is how to deal with the blue screen of the computer after installing .net framework 4.0 in Windows 7. After following the above steps, the computer can be used normally.