Is the OpenGL driver working correctly?
To check if the OpenGL driver is working correctly on Windows, try to run an OpenGL screen saver in the following manner. Right-click on the Windows desktop and select Properties. In the ensuing dialog box, select the Screen Saver tab and run an OpenGL screen saver, such as 3-D pipes. If this screen saver does not work correctly, then you most likely do not have the graphics adapter’s driver installed properly. On some machines, you can completely disable the hardware acceleration to see if avoiding hardware alleviates the problem. Right-click on the Windows desktop and select Properties. In the ensuing dialog box, select the Settings tab and click Advanced. On this page, select the Troubleshooting or Performance tab, and slide the Hardware acceleration slider all the way to the left. Now click OK on each of the dialog boxes. Another source of problems is that some drivers do not work well at certain color depths. The Settings tab has a pop-up menu labeled Colors that allows choices su
