When using the Alienware AW3423DW, you may notice missing or stuck pixels. There may also be horizontal or vertical lines that appear on screen. To see how you can potentially fix these problems, you can take a look at this troubleshooting article at Seeking Tech.
1. The first step you can take is to power cycle your 34” Alienware AW3423DW Curved QD-OLED Gaming Monitor. In order to do so, you can try taking the following steps:
2. You can also try initiating the Alienware AW3423DW to do a self-test by doing the following:
If you see a message show up on the monitor, then it indicates that it is able to turn on normally. If you see any abnormal pixels or lines, then it means that there is an issue with the screen.
3. Moreover, you can also try using a built-in diagnostic tool of the 34” Alienware AW3423DW Curved QD-OLED Gaming Monitor to determine if the abnormal pixels and/or lines appears.
In order to do so, you need to follow the steps laid out in this guide.
4. If you don’t any problems when using the built-in diagnostic tool of the Alienware AW3423DW Curved QD-OLED Gaming Monitor, then the visual artifacts could be related to the HDMI or DisplayPort.
If you believe that there is a problem with the video connection, then you can try disconnecting the video cables from the screen. Afterwards, you can try examine the cables and ports to see if there are any damage.
If possible, you can try using a different HDMI or DisplayPort cable.
You can also try updating the graphics card driver if you are connecting to a computer. Moreover, make sure that the firmware of the connected device is up to date as well.
5. You can also try doing a factory reset for the AW3423DW by taking the following steps:
5. If the abnormal pixels and/or lines show up when you are using the built-in diagnostic tool, then it mostly means that there is something wrong with the screen.
In this case, you can try doing a pixel refresh. If you don’t see any improvements after a doing a pixel refresh, then you can try doing the more comprehensive panel refresh.
To see how you can manually do both of these actions, then you can take a look at this tutorial.
6. If you are still having problems, then you may need to get your monitor replaced.
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