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Westinghouse WC34DX9019 won't run at 3440 x 1440
07-08-2020, 04:55 PM
Post: #1
Westinghouse WC34DX9019 won't run at 3440 x 1440
I have a Westinghouse WC34DX9019 and cannot get it to run at 3440 x 1440 in Windows 10. That resolution is not available, and the CRU edit doesn't work either.

Windows 10 w/ Intel UHD 620, which I know is capable of this resolution, because my coworker has the same machine with a Dell 34" monitor that runs just fine at 3440 x 1440.

I've tried everything I can think of and can't get it to run any higher than 2560 x 1080 and due to Newegg's terrible return policy, I can't send it back. Any ideas?

What I've tried:

Different HDMI cables
Editing EDID with CRU
Updated Intel UHD 620 drivers
Every monitor setting under the sun
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07-08-2020, 08:53 PM
Post: #2
RE: Westinghouse WC34DX9019 won't run at 3440 x 1440
Is the Dell 34" also using HDMI or is it using DisplayPort? I think Intel GPUs are limited to around 300 MHz pixel clock with HDMI. You might be able to get it working at 3440x1440 by adding a lower refresh rate like 50 Hz.
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07-10-2020, 05:44 PM
Post: #3
RE: Westinghouse WC34DX9019 won't run at 3440 x 1440
(07-08-2020 08:53 PM)ToastyX Wrote:  Is the Dell 34" also using HDMI or is it using DisplayPort? I think Intel GPUs are limited to around 300 MHz pixel clock with HDMI. You might be able to get it working at 3440x1440 by adding a lower refresh rate like 50 Hz.

Thanks for the response. My colleague's setup is also via HDMI, not sure what refresh rate the Dell is running, but I'm envious that it works at all out of the box.
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