Dell U4021QW Monitor has Abnormal Display on ChromeOS
Summary: This article is about an abnormal display issue on the Dell Monitor U4021QW when using with Chromebook or ChromeOS.
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This article is not tied to any specific product.
Not all product versions are identified in this article.
Symptoms
Dell U4021QW has an unusual display when using with ChromeOS
When the Dell U4021QW monitor is connected to Chromebook over HDMI port, the display is abnormal.
Affected Products
- All Chromebook
- Dell U4021QW Monitor
Cause
ChromeOS does not support Extended Display Identification Data (EDID) v3 block.
Resolution
Switch to Lower Primary resolution
Adjust the display settings to a lower screen resolution. See instructions below.
- Press the joystick button to launch the Onscreen Display (OSD) main menu.
- Move the joystick to select input source.
Figure.1 UltraSharp 40 OSD Menu: Input Source settings. - Move the joystick up or down to select HDMI 1/HDMI 2, press and hold the joystick 8 seconds, and the following message appears:
Figure.2 Prompt to switch to lower Primary resolution for HDMI - Select Yes to switch from HDMI 2.0 (default) to HDMI 1.4.
Additional Information
Related Articles
Affected Products
Chromebook 11, Chromebook 3100 2-in-1, ChromeBook 3100, Chromebook 3110 2-in-1, Chromebook 3110, Chromebook 3120, Chromebook 11 3180, Chromebook 11 3189, Chromebook 5190 2-in-1, Chromebook 5190, Chromebook 13 3380, Chromebook 7310, ChromeBook 3400
, Dell Chromebox 3010, Dell U4021QW, Inspiron Chromebook 11 3181, Inspiron Chromebook 11 3181 2-in-1, Inspiron Chromebook 7486, Latitude 5300 2-in-1 Chromebook, Latitude 3445 Chromebook, Latitude 5400 Chromebook, Latitude 5430 Chromebook, Latitude 7410 Chromebook
...
Article Properties
Article Number: 000182893
Article Type: Solution
Last Modified: 11 Feb 2025
Version: 7
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