You need to download from Gateway the driver for your monitor, usually a
small file with the "inf" extension that may come along with one *.cat and
In order to install the driver...
Right click on your monitor in Device Manager.
Click on "Update driver"
Install from a specific location (advanced)
Click on "Do not search. I will pick from a list" (or whatever it is from
my Spanish version into English)
Click "Next" and then voilÃ¡, the magic "Have Disk" button should show up.
Point now to your inf file and you are done.
If you don't get a driver...
When you get to the "Have Disk" button, DO NOT press it.
Uncheck "Show all compatible hardware" and choose, under "Standard Monitor
Types" the matches closer to your monitor.