This is the driver for 98/2k/XP/Vista Support for 2494HM SAMSUNG
-- Under the Downloads tab, click on "Driver" now click on the EXE icon to the far right of the one item in the list.
I'm not sure if it'll work on 7. However, in reality you really don't need to install monitor drivers. Most monitors will work perfectly without the installation of any drivers. The drivers you need to worry about are your graphics card drivers.
If you haven't installed the latest graphics card drivers, you should do so. You can do this by downloading them from either http://www.nvidia.com
depending on your graphics card manufacturer. If you don't know what kind of graphics card you have, download, install and run Speccy
. It will tell you what hardware you have installed.