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September 6th, 2024 07:28
AW2521HF, AW2725DF, Windows 11, goes to a standby mode
Hi ! When I start my PC , it won't turn my dual setup monitors (both Alienware) . Both monitors go to a standby mode . If I turn OFF my 27inch monitor , the system starts and then I can turn my second monitor ON and everything works just fine !
I am running Win11 PRO
- 1st Monitor is AW2521HF 240Hz - worked with dual setup as intended to, before, and now without second ...
- 2nd Monitor the one that has troubles is AW2725DF 360Hz. Both on DP cables which worked just fine with other monitors that I had before.
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seanhunter
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September 9th, 2024 04:36
@Vanadiel apparently I've tried different things in the BIOS , nothing helped. BUT, I decided to change inputs (my DP cables) spots. 27 - to 1st, 25 - to 2nd, and it started to boot normally.
BTW it boots properly with HDMI on 27inch monitor. LOL
Vanadiel
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September 6th, 2024 13:20
Use all the original supplied cables and try again.
It could also be an issue due to the high refresh frequency on the second monitor. You might not have enough internal heads when booting up as that is done with an UEFI driver rather than a windows driver.