windows 7 - Black screen when opening games

I'm getting a black screen when opening new games, sometimes with a mouse pointer.

Old games run fine but games like FIFA 2013, FIFA 2014 and Need For Speed won't run.

This problem suddenly occurred after my little cousin played on my PC.

• Processor: Intel(R) Celeron(R) CPU G540 @ 2.50GHz 2.50 GHZ


• Memory (RAM) 4.00 GB


• Graphics Intel(R) HD Graphics


• Gaming graphics 1648 MB Total available graphics memory


• Primary hard disk 32GB Free (49GB Total)

Graphics:

  Display adapter type Intel(R) HD Graphics
  Total available graphics memory 1648 MB
        Dedicated graphics memory 256 MB
        Dedicated system memory 0 MB
        Shared system memory 1392 MB
  Display adapter driver version 9.17.10.3517
  Primary monitor resolution 1440x900
  DirectX version DirectX 10