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Key Features

  • UltraWide® 21:9
  • Mac® Compatible
  • sRGB 99%
  • 4-Screen Split
  • ENERGY STAR® Qualified

What People Are Saying

Rated 4 out of 5 by from Clarity is great The clarity of the monitor is excellent. The product is high quality and easy to use.
Date published: 2015-08-19
Rated 5 out of 5 by from Very good value Found the option to work with side by side of great use. Movies are great
Date published: 2015-02-21
Rated 5 out of 5 by from Love the UltraWide My vision is not what it used to be and I really needed a larger monitor. The ultrawide was exactly what I needed. The picture quality is what you would expect from lg (great) and it is large enough to where I can see what I couldn't before. Really looks great when watching movies. Also, the ability to see 4 screens at once is something you have to see to appreciate. I highly recommend this monitor.
Date published: 2015-02-12
Rated 4 out of 5 by from Fantastic Monitor I do a lot of video editing and Blu-ray watching, and this monitor is excellent. Max resolution of 2560x1080, and although I only utilize 1920x1080, Blu-rays look amazing on this monitor. Scope features fill up the entire screen, and watching Blu-rays in full 2.35:1 in Cinema 1 mode on this monitor is breathtaking. This is a very strong purchase for the high-end moviephile; I've only had this for a few days so far, but I love it. Price point might be a little high but frankly, it's worth every penny. My only minor complaint is that this doesn't have a remote to make switching aspect ratios and adjusting volume a little bit easier. The toggle controls at the bottom of the screen seem a bit cheap and breakable.
Date published: 2014-09-22
Rated 5 out of 5 by from Amazing and so easy to use with my Mac This display is amazing for the price! It took less than 2 min to set up. It connected with my mac very easily all I needed was a thunderbolt adapter which you can pick up at any electronic store. Amazing color and contrast. The extra width has helped with countless programing assignments. The only negative is that I wish the speakers were a little better but I can also have additional plug in speakers so not a big deal
Date published: 2014-08-17
Rated 4 out of 5 by from 21:9 IPS panel for reasonable price This monitor can replace dual monitors with the advantage there are no bezels in the middle- which lets me "squeeze" a third window onto the screen. Got to keep the second monitor - for when I need it. IPS panel has nice color rendering. Great for applications that use multiple windows, for music, photo or video editing. 21:9 is native to film, so movies, "fit" well. One caution - a DVI-D dual link cable is required - I had a DVI-I - no good (the different DVI-cables / adaptors to HDMI look similar but aren't.) Without it the monitor didn't sync.
Date published: 2014-08-10
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Ask your questions. Share your answers.
Please first review the detailed product information and help guides in the Product Support section for this product prior to posting a question.

How do I power up monitor?

Plug it in, hooked to computer-- his power toggle on bottom. .... No sign of monitor powering up
Asked by: Tmw11111
We regret the inconvenience you have experienced with this monitor. Once the power cord is connected, all that is required is the pressing of the JOYSTICK / POWER button under the center of the monitor. If this does not operate, then it would be recommended to contact our Customer Interactive Center at 800-243-0000 for additional assistance.
Answered by: NeilE
Date published: 2014-12-16

The Screen Split Software does not work, how can I get it to work on my Win8.1 laptop and LG-25UM64-S Monitor?

I loaded the drivers and Screen Split software on Win8.1. The software appears but all the options are grayed out. How can I get this to work so I can split the screen?
Asked by: Snugsranch12
We regret the inconvenience you have experienced with this monitor screen and its features. This device has been designed for Windows 8. We have no information available concerning compatibility between this software and Windows 8.1. If you have additional questions, please contact our Customer Interactive Center at 800-243-0000.
Answered by: NeilE
Date published: 2015-06-01

Can you show 2 1280x1024 screens side by side at full resolution with PBP

I want to use Win7 Extended desktop to show 2 1280x1024 screens side by side with PBP for a total resolution of 2560x1024. I can't find a way to show the screens at full resolution without the black bars on each side
Asked by: mixersoft
We appreciate your interest in this monitor and its capabilities. The use of a computer can certainly be a valid source on this monitor. What would be the source of the secondary signal required for the Picture By Picture display? Please contact our Customer Interactive Center at 800-243-0000 for additional information in this situation.
Answered by: NeilE
Date published: 2014-10-21

Split Screen using Parallels software

I have a MacBook Pro running Windows 8.1 Pro via Parallels 9.0. It says the split screen app fails to load so I can't run split screen software.
Asked by: jasonb
We regret the inconvenience you have experienced with this monitor. We are unfamiliar with the Parallels software. We can only recommend that which was provided with the monitor itself.
Answered by: NeilE
Date published: 2015-01-16

Where can I download drivers online?

I recently purchased the LG 25UM64-S monitor and cannot locate drivers or software for it that works with Windows 7 64 bit. When I use the included CD's to download the driver and software it says "Not a valid 32 bit program". Thanks, - Matt
Asked by: hingfdiuh
We regret the inconvenience you have experienced with this monitor. Unfortunately, this monitor has been designed as a Plug and Play device. There are no drivers or other software available for download for this monitor.
Answered by: NeilE
Date published: 2017-01-27

difference between 25UM64-S and 25UM-P

Asked by: koroy
They appear the same to me. Under compare, the "Energy star" does not show on one but they are both certified, in fact i can not find any differences in specs. The "Expert Staff" should know your are talking about the 25um64-S and the 25um65-P. Really cant find it without the 65 in there? The 65-P can be found: I suspect they are the same but the 64-S may have been specially packaged for Costco (i saw it there today, which brought me here) and possibly other warehouse stores. Many companies take the same hardware and give it a unique number depending on where they sell it.
Answered by: JoeSmith
Date published: 2015-02-04

Is this monitor HDCP compatible?

Asked by: tom123

How can this connect to a Mid 2010 MacBook Air

Can you use a Mini DisplayPort to DisplayPort cable and use the full resolution, or would you need the Mini DisplayPort to Dual LInk DVI adapter?
Asked by: MrJim

Where can I find a picture of the back of the monitor?

I would love to see a picture of the connections on the read of the monitor...
Asked by: Sators

Difference between 25UM64-S and 25UM65-P

Is there any difference? Are they flicker safe like their 29 inch siblings?
Asked by: merryrd

Can this monitor be used in portrait mode?

Asked by: Lindsey682

Does this monitor has a glossy screen like an iMac? If not, are there any other LG monitors that have glossy screen?

Asked by: SandyLA

How would you clean this screen ? 

Asked by: Dazroyalston

Is the hdmi input hdmi 2.0 compatible and would I get the 21:9 aspect ration from the hdmi 2.0 cable?

Asked by: Schmelz86
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