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July 2nd, 2020 05:00
AW2518HF, flickering 240Hz, #4
Hey guys,
I'm having a really weird occasional flicker on the AW2518HF when using the DP input (in order to get the advertised 240Hz refresh rate). I am sharing a video and image of it (please ignore the weird post it happens occasionally on darker green/brown colors).
Link 1
Link 2
I've seen other people complaining about this defect as well. I've tried tweaking the settings (Color/Brightness/Gamma of the panel) and it does stop doing it for that specific frame, but later on I see the same issue on another.
I have attempted using three different DP cables (one of which I use for my second monitor which does not display this problem), used in three different builds and both under Windows and Linux, nothing really changes (happened with my 390x build and with my 2080 Super one).
I am convinced it's some sort of hardware issue as tweaking none of the settings (while keeping the monitor at 240Hz via DP) only seems to shift the color at which this occurs but it keeps occuring rendering the monitor unusable at its advertised refresh rate.
What can I do here? I have attempted calling your support on the number specified on the website but I keep getting the "UK Pension fund" at 0800 1104478 and there is no chat option.
Kind Regards


DELL-Jesse L
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July 2nd, 2020 06:00
Bastor,
Please review the information located at the link here.
* FAQ Alienware Monitors
* Policy: AW2518H and AW2518HF and video cards
Bastor
2 Posts
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July 8th, 2020 03:00
Hello Jesse! Thanks for responding.
I have reviewed the information I have the latest drivers and nothing has really changed regarding the issues I have.
Troubleshooting has not yielded any results - could you maybe read through my initial issue and let me know what I can do next?
DELL-Jesse L
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July 8th, 2020 08:00
Bastor,
We can only troubleshoot that AMD FreeSync AW2518HF monitor on your Windows PC using the AMD R9 390X video card. So, on that specific PC, using the provided AW2518HF HDMI 2.0 to HDMI 2.0 cable, you need to test all Hz (60/120/144/240). In that scenario, does 240Hz function?
DELL-Jesse L
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July 14th, 2020 03:00
Bastor,
Checking to see if you tested all Hz (60/120/144/240). In that scenario, does 240Hz function?
Fabez
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September 15th, 2020 10:00
I'm having the same issue, Alienware AW2518HF and RX 5700 XT, 60hz/120hz/144hz works for me but as soon as i select 240 hz it has constant flickering problems, i need to set 144hz, otherwise i'm not able to play