My problem is not with the driver but with my graphic card ati radeon x1400, i have to found how to update to change the maximum resolution to 1900 X 1080.

Did anyone know how to change this? 

I think i need to update a file, but which one?

Thanks

Thankfor you help but i have found the solution and it work :manvery-happy:

I have update my graphic card with the latest update. Don't know if that help, but i am not sure what help i all the thing i did.

I went in display / setting/advanced/color management and select my .icc file that i have with my upload of driver for the monitor s2409.

i restart my computer. 

I click on alt-f8 and my monitor was know the master monitor with 1920 of resolution, my laptop monitor are know black (not used)

I hope that help somebody else with the same problem.

the inf. 

2 ways:

- right click and select "Install", or,

- from Device Manager, right click your monitor, select "Properties", then "Update Driver", then follow through to the "Have disk" option, meaning don't have anything done automatically.

what kind of card you have update the card and the monitor will follow go to the web site for you card and download the current file for it the monitor will work very good then i hope iam not to late to help