AW2518HF, horizontal lines

Question

Couple of days ago I noticed that there are some horizontal lines on my monitor, and image is not good like it was and also I can see difference in colors in games etc. I've tried different HDMI port and different HDMI cable but its still the same, and actually it is visible no matter if anything is plugged in or not.

Pictures:

these lines in upper right corner are actually visible trough whole screen but most noticeable is up there. Here is also small video when monitor is not plugged in, you can see lines randomly appearing: https://imgur.com/JOqshjC

Looks like panel issue to me, monitor is 9 months old, I guess it will have to be sent to RMA

DELL-Chris M · Answer

* Click my DELL-name and private message me the AW2518HF service tag number and 20 digit alphanumeric serial number* From whom and when did you purchase this AW2518HF? If not purchased directly from Dell, you have to transfer it into your name * What PC model?* What Windows operating system?* What AMD FreeSync video card model is installed in the PC?* What video out ports are available on the AMD FreeSync video card to test on the AW2518HF video in ports?* Run the AW2518HF Menu- Others- Reset to Factory defaults (page 43).* Run the disconnected from video card AW2518HF Built-in Diagnostics (page 53). Post pictures of the full colored screens showing the issue

slypire · Answer

The lines are clearly visible on gray and black screens while running diagnostic tests without anything plugged to monitor, I will just be sending it back to the store that I bought it from here in my country and wait for the result...

Monitors

AW2518HF, horizontal lines

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