If you have a Dell™ desktop or a Dell™ portable computer with internet access
1. Go to http://support.dell.com, enter your service tag, and download the latest driver for your graphics card.
2. After installing the drivers for your Graphics Adapter, attempt to set the resolution to 1680 x 1050 again.
NOTE: If you are unable to set the resolution to 1680 x 1050, please contact Dell™ to inquire about a Graphics Adapter that supports these resolutions.