Displaying the ‘My Computer’ icon on your Desktop in Windows 7 can be accomplished in two ways.
Navigate to Start, right click Computer and select Show on Desktop option from the drop down list.
Your computer icon should now show up on the desktop.
Right click on the desktop screen and select Personalize option from the drown list.
The Personalization screen opens. Select Change Desktop icons on the left hand side.
In the Desktop Icon Settings dialog box, ensure that the Computer check box is ticked. Click OK and close out of the Personalization screen.
Your computer should now show up on the Desktop.