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ATI Radeon HD 4650 2560x1080 resolution

Question asked by mrflash3 on Dec 27, 2017

Hello all,

I really need your help. I am the owner of ATI Radeon HD 4650 GPU and LG 29UM58-p monitor. I connected monitor through the DVI port using dual link DVI-HDMI adapter (since monitor have only HDMI port). Problem is that i cannot set image to fit full screen, so I have big black borders on the left and right side. I am able to choose 2560x1080 resolution in display settings, but borders is still there and image is blurry. It is looks like my GPU doesn't recognize 21:9 aspect ratio, but it keeps 16:9 ratio with 2560x1080 resolution (if this makes sense). Also, I am usung Linux Mint Cinnamon 18.3.

At the end are the pictures that will show you in more detail my problem. Does anyone have a clue what I can do to solve this? Sorry for my bad english and I really hope someone can help me, I am losing my mind