54 │ Operating your monitor
Setting the maximum resolution
NOTE: The steps may vary slightly depending on the version of
Windows you have.
To set the maximum resolution for the monitor:
In Windows 8.1:
3. For Windows 8.1, select the Desktop tile to switch to the Classic desktop.
4. Right-click the desktop and click Screen Resolution.
5. If you have more than one monitor connected, ensure that you select
S3423DWC.
6. Click the Screen Resolution drop-down list and select 3440 x 1440.
7. Click OK.
In Windows
10 and Windows 11:
8. Right-click the desktop and click Display settings.
9. If you have more than one monitor connected, ensure to select S3423DWC.
10. Click the Display Resolution drop-down list and select 3440 x 1440.
11. Click Keep changes.
If you do not see 3440 x 1440 as an option, you must update your graphics driver
to the latest version. Depending on your computer, complete one of the following
procedures:
If you have a Dell desktop or portable computer:
• Go to https://www.dell.com/support, enter your service tag, and
download the latest driver for your graphics card.
If you are using a non-Dell computer (laptop or desktop):
• Go to the support site for your computer and download the latest graphic
drivers.
• Go to your graphics card website and download the latest graphic drivers.
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