Win7 system installed .net framework4.0 after the blue screen solution

  

Fault analysis and solution:
1, if the computer has been unable to enter the blue screen, then press F8 and then enter the safe mode to uninstall .net framework4.0;
2, if you can enter the system, then try Update Win7 system driver, especially the graphics card driver (graphic card driver and .net framework4.0 have the biggest relationship)
The above is the introduction of the blue screen solution after installing .net framework4.0 in win7. Friends can refer to the above methods to solve.
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