LCD Conditioning (U2419H Users Guide page 45) helps reduce minor cases of image retention.
Go to page 49 and run the stand alone Built-in Diagnostics. If the line is not present when running the Built-in Diagnostics, then the U2419H itself is functional.
DELL-Chris M
Community Manager
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January 6th, 2021 06:00
Disconnect the U2419H from the Apple MacBook Pro.
LCD Conditioning (U2419H Users Guide page 45) helps reduce minor cases of image retention.
Go to page 49 and run the stand alone Built-in Diagnostics. If the line is not present when running the Built-in Diagnostics, then the U2419H itself is functional.