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Operating the 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:
1. For Windows 8.1, select the Desktop tile to switch to classic desktop.
2. Right-click on the desktop and click Screen resolution.
3. If you have more than one monitor connected, ensure that you select P3225DE/P3225QE.
4. Click the Screen resolution drop-down list and select 2560 x 1440 (P3225DE)/3840 x 2160 (P3225QE).
5. Click OK.
In Windows 10 and Windows 11:
1. Right-click on the desktop and click Display Settings.
2. If you have more than one monitor connected, ensure that you select P3225DE/P3225QE.
3. Click the Display Resolution dropdown list and select 2560 x 1440 (P3225DE)/3840 x 2160 (P3225QE).
4. Click Keep changes.
If you do not see 2560 x 1440 (P3225DE)/3840 x 2160 (P3225QE) 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 laptop:
• Go to Dell Support Site, 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 non-Dell computer and download the latest graphic card drivers.
• Go to the graphics card’s website and download the latest graphic card drivers.