The video is unstable, ie, it continually changes resolution and possibly other parameters.
I don't have the problem if I uninstall the display driver ( AMD ATI Mobility Radeon™ HD3650/HD3450/HD 3670/HD4570/HD565v/HD4670/HD4330/HD5450/HD5650/HD5470/HD4200/HD5730/HD550v/HD540v/HD545v Graphics Driver) and use the generic windows vga driver, but of course that has a poor image.
Is there a fix for this? I have had Dell Support try to fix it and they gave up, saying to reinstall windows7, but that didn't work either.
The device manager says that the video driver is from Intel, but they referred me back to the Dell driver update utility which had nothing new.