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Blurry Display while using HDMI Connection #4608929
12/20/17 02:39 AM
12/20/17 02:39 AM
Joined: Aug 2004
Posts: 20,351
CA
The Critic Offline OP
The Critic  Offline OP
Joined: Aug 2004
Posts: 20,351
CA
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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Re: Blurry Display while using HDMI Connection [Re: The Critic] #4608936
12/20/17 03:41 AM
12/20/17 03:41 AM
Joined: Jan 2011
Posts: 2,883
N.Ohio
Lubener Offline
Lubener  Offline
Joined: Jan 2011
Posts: 2,883
N.Ohio
Check display settings/cable?

Last edited by Lubener; 12/20/17 03:53 AM.

The "thinking" man's friend.
Re: Blurry Display while using HDMI Connection [Re: The Critic] #4609030
12/20/17 06:57 AM
12/20/17 06:57 AM
Joined: May 2006
Posts: 1,420
Grand Rapids, MI
WishIhadatruck Offline
WishIhadatruck  Offline
Joined: May 2006
Posts: 1,420
Grand Rapids, MI
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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Re: Blurry Display while using HDMI Connection [Re: The Critic] #4609100
12/20/17 08:32 AM
12/20/17 08:32 AM
Joined: Sep 2011
Posts: 3,416
Somewhere
itguy08 Offline
itguy08  Offline
Joined: Sep 2011
Posts: 3,416
Somewhere
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.

Re: Blurry Display while using HDMI Connection [Re: The Critic] #4609341
12/20/17 01:35 PM
12/20/17 01:35 PM
Joined: Aug 2003
Posts: 13,224
NE,Ohio
Rand Offline
Rand  Offline
Joined: Aug 2003
Posts: 13,224
NE,Ohio
It can also be a display driver thing..

are you scaling your built in display to the new monitor?


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Re: Blurry Display while using HDMI Connection [Re: The Critic] #4609367
12/20/17 02:04 PM
12/20/17 02:04 PM
Joined: May 2006
Posts: 3,361
Windsor, Ontario, Canada
uc50ic4more Offline
uc50ic4more  Offline
Joined: May 2006
Posts: 3,361
Windsor, Ontario, Canada
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.

Re: Blurry Display while using HDMI Connection [Re: The Critic] #4609896
12/21/17 07:22 AM
12/21/17 07:22 AM
Joined: Sep 2011
Posts: 3,416
Somewhere
itguy08 Offline
itguy08  Offline
Joined: Sep 2011
Posts: 3,416
Somewhere
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.

Re: Blurry Display while using HDMI Connection [Re: The Critic] #4614332
12/26/17 02:28 AM
12/26/17 02:28 AM
Joined: Aug 2004
Posts: 20,351
CA
The Critic Offline OP
The Critic  Offline OP
Joined: Aug 2004
Posts: 20,351
CA
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.


2011 Toyota Prius - 181k - M1 EP/EP HM Mix 0W-20
2007 Honda Accord 2.4 - 134K - Mobil 1 EP HM 5W-30

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