Operating the monitor | 87
Setting the maximum resolution
To set the maximum resolution for the monitor:
In Windows 7, Windows 8 or Windows 8.1:
1. For Windows 8 or Windows 8.1 only, select the Desktop tile to switch to classic
desktop. For Windows Vista and Windows 7, skip this step.
2. Right-click on the desktop and click Screen Resolution.
3. Click the Dropdown list of the Screen Resolution and select 1920 x 1080
(C2422HE) / 2560 x 1440 (C2722DE) / 3440 x 1440 (C3422WE).
4. Click OK.
In Windows 10:
1. Right-click on the desktop and click Display Settings.
2. Click Advanced display settings.
3. Click the dropdown list of Resolution and select 1920 x 1080 (C2422HE) /
2560 x 1440 (C2722DE) / 3440 x 1440 (C3422WE).
4. Click Apply.
If you do not see 1920 x 1080 (C2422HE) / 2560 x 1440 (C2722DE) / 3440
x 1440 (C3422WE) as an option, you may need to update your graphics driver.
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 your computer manufacturer’s support website and download the latest
graphic drivers.
• Go to your graphics card manufacturer’s website and download the latest graphic
drivers.
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