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Journeyman III
Journeyman III

AMD R9 390X - 30hz ONLY *limited adapter option*

Seemed recently purchasing my monitor or AMDs latest update all coming about the same time in noticing the issue -

Monitor set to DP v1.2 -  LG 27UD68-W: 27 Class 4K UHD IPS LED Monitor (27 Diagonal) | LG USA

When toggling the DP 1.2 option on the monitor and going into display adapter Windows 10 i can somehow through toggling those 2 things repeatedly it comes to a 60hz own its from from the 30hz and remains ok until i restart.

Running with a SAPPHIRE Technology   - Sapphire Nitro Radeon R9 390X   &  AMD FX8350

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Challenger
Challenger

Re: AMD R9 390X - 30hz ONLY *limited adapter option*

I have a 4k HDMI port on my TV that gives me issues as well. Have you tried changing to a different DP port? If yes, does it repeat the issue or does it work properly now? If it repeats the issue have you tried a new DP cable?

Edit: I meant to change to DP for your case but saw the HDMI I typed and ran with it.

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