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#4608929 - 12/20/17 02:39 AM
Blurry Display while using HDMI Connection
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Registered: 08/30/04
Posts: 19886
Loc: CA
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Hi Folks,
I have a Lenovo ThinkPad X1 Yoga (2nd gen). If I connect my LG 34" monitor to this laptop using a HDMI cable, the image quality on the 34" monitor is poor (blurry). I know the monitor is not an issue because the image quality is perfect when the monitor is connected using a DisplayPort on my HP Elitebook work laptop.
Is this a known issue with using HDMI connections, or is there a setting that I need to change on my ThinkPad?
Thanks.
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2011 Toyota Prius - 170k - ServicePro Dexos 0W-20
2007 Honda Accord 2.4 - 129K - Idemitsu 5W-20
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#4608936 - 12/20/17 03:41 AM
Re: Blurry Display while using HDMI Connection
[Re: The Critic]
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Registered: 01/22/11
Posts: 2613
Loc: N.Ohio
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Check display settings/cable?
Edited by Lubener (12/20/17 03:53 AM)
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The "thinking" man's friend.
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#4609030 - 12/20/17 06:57 AM
Re: Blurry Display while using HDMI Connection
[Re: The Critic]
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Registered: 05/09/06
Posts: 1398
Loc: Grand Rapids, MI
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I have noticed the same thing with my new Dell Precision 5510 that I got at work back in August. They gave me a much newer wide screen monitor and cable and the issue is better but still there. I notice it more on certain software more than others. I have sort of gotten used to it. Wish it was better however.
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#4609100 - 12/20/17 08:32 AM
Re: Blurry Display while using HDMI Connection
[Re: The Critic]
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Registered: 09/15/11
Posts: 3263
Loc: Somewhere
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HDMI is digital so it should be tack sharp. However you may need to use another HDMI cable - the resolution is higher than 1080 so you may need to use a higher bandwidth cable like one for 4k.
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#4609341 - 12/20/17 01:35 PM
Re: Blurry Display while using HDMI Connection
[Re: The Critic]
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Registered: 08/20/03
Posts: 12737
Loc: NE,Ohio
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It can also be a display driver thing..
are you scaling your built in display to the new monitor?
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#4609367 - 12/20/17 02:04 PM
Re: Blurry Display while using HDMI Connection
[Re: The Critic]
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Registered: 05/31/06
Posts: 3296
Loc: Windsor, Ontario, Canada
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Is the Yoga mirroring the display on the 34" If so, the aspect ratio and resolution may be non-native to the 34". Use your OS settings to ensure that the displays are not mirroring and that noth displays are set to their optimal, native resolution.
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#4609896 - 12/21/17 07:22 AM
Re: Blurry Display while using HDMI Connection
[Re: The Critic]
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Registered: 09/15/11
Posts: 3263
Loc: Somewhere
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One thing I found with Windows is if you adjust the scaling (needed on high resolution displays to make text readable), some apps will be blurry until you logout/login or reboot.
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#4614332 - 12/26/17 02:28 AM
Re: Blurry Display while using HDMI Connection
[Re: The Critic]
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Registered: 08/30/04
Posts: 19886
Loc: CA
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Thanks guys.
After reading the manual (duh), I realized my Thinkpad has two USB-C connections. So I purchased a USB-C to Displayport cable from Amazon, and now the display works correctly.
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2011 Toyota Prius - 170k - ServicePro Dexos 0W-20
2007 Honda Accord 2.4 - 129K - Idemitsu 5W-20
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