Questions & Answers

Q: QuestionIs this monitor wall-mountable?

• A:Answer No, this monitor is not wall-mountable.

Q: QuestionWhat is the contrast ratio of this OLED monitor?

• A:Answer The monitor has a contrast ratio of 1,500,000:1.

Q: QuestionWhat streaming services are available on this monitor?

• A:Answer You can access Netflix, Prime Video, Apple TV, Disney+, HBO Max, and over 300 free LG Channels directly on the monitor.

Q: QuestionHow is the monitor's connectivity?

• A:Answer It offers HDMI 2.1, DisplayPort 1.4, and USB Type-C (with 65W power delivery) for versatile connectivity.

Q: QuestionDoes this monitor support FreeSync and G-SYNC?

• A:Answer Yes, it supports both AMD FreeSync Premium Pro and NVIDIA G-SYNC for a tear-free and stutter-free gaming experience.

Q: QuestionCan I mount this on a table stand??

Asked 2 weeks ago by Someon1.

• A:Answer The LG - UltraGear™ 39" OLED Curved WQHD 240Hz 0.03ms G-Sync/FreeSync Premium Smart Gaming Monitor with DisplayHDR™ 400 TRUE BLACK - White, Model # 39GX90SA-W, is a VESA-compliant display with a 100 x 100 mm VESA Mount Pattern. If your "table stand" (or did you mean a desktop mount?) is a VESA-compliant mount that supports the monitor's VESA mount pattern, you can mount the monitor on it...^Ivan.

  Answered 2 weeks ago by LG Digital Customer Care

  
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Q: QuestionI want to take my monitor from the United States to Malaysia. Can I safely plug it in with the right power cord, or would I need a separate voltage down step device? Is there a separate power supply I can buy?

Asked 1 month ago by Aaron.

• A:Answer Hello there, Aaron. We understand your inquiry regarding the power compatibility of your 39GS95QE-B monitor for your move to Malaysia. We understand that ensuring your equipment is safe to use in different regions is a significant priority for maintaining the longevity of your OLED display. Based on the official specifications for model 39GS95QE-B, the unit uses an external power adapter that supports an input voltage of 100-240V at 50/60Hz. Because Malaysia operates on a 240V power system, this monitor is designed to be compatible with that voltage range, and you will not require a separate voltage down step device or a different power supply. You will simply need a compatible power cord or a plug adapter to fit the Type G outlets used in that region. To ensure everything is ready for your move, we recommend a simple check of the label on your current power adapter brick to confirm it displays the 100-240V rating before your departure. Thank you for sharing your experience with us. Your feedback is important, and we'd like to assist you further to ensure your transition goes smoothly. https://www.bestbuy.com/product/lg-ultragear-39-oled-curved-wqhd-240hz-0-03ms-g-sync-freesync-premium-smart-gaming-monitor-with-displayhdr-400-true-black-white/JJ8VPZWY6X If you have any further questions about its features, please contact us on [email protected], and our team will be more than happy to assist you. —Renzo

  Answered 1 month ago by LG Digital Customer Care

  
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Q: QuestionCan this be used for a pc / laptop monitor?

Asked 2 months ago by IiGg.

• A:Answer Yes, it can be used for both PC and laptop

  Answered 2 days ago by BuddyHallContent

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Q: Questionis this monitor compatible with regular Secretlab MAGNUS Monitor Arm

Asked 2 months ago by josh.

• A:Answer Regrettably, we are not familiar with the specifications for the Secretlab MAGNUS Monitor ARM, and do not know what VESA Mount Patterns it supports, but the LG 39-inch UltraGear™ OLED WQHD 240Hz 0.03ms G-Sync Compatible 800R Curved Gaming Monitor with webOS, Model # 39GX90SA-W, is a VESA-compliant display with a 100 x 100 mm VESA Mount Pattern that can be used to mount the monitor on any VESA-compliant Monitor Arm that supports the monitor's VESA Mount Pattern as guaranteed by VESA Compliance. Check the specifications for your monitor arm to see if it supports the monitor's VESA Mount Pattern. The monitor also has a weight of 16.1 lbs without the stand, a width of 34.9", and a height of 15.9", so you will need to check the specifications for your monitor arm to see if it can support the monitor's weight or it's width or height, depending on whether it is a vertical monitor arm or horizontal monitor arm...^Ivan.

  Answered 2 months ago by LG Digital Customer Care

  
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Q: QuestionWould I have to use HDMI 2.1 Port to drive this monitor at the supported 240Hz without DSC? (Display Stream Compression)

Asked 8 months ago by Kelrics.

• A:Answer The LG UltraGear™ 39" OLED Curved WQHD 240Hz 0.03ms G-Sync®/FreeSync™ Premium Smart Gaming Monitor with DisplayHDR 400 TRUE BLACK - White, Model # 39GX90SA-W support a maximum resolution of 3440 x 1440 @ 240 Hz over HDMI without DSC...^Ivan.

  Answered 8 months ago by LG Digital Customer Care

  
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Q: Questionwhats name of demo playing on this monitor in store?

Asked 10 months ago by joseph.

• A:Answer Hello there, Joseph. Thank you for reaching out about your LG 39GX90SA‑W UltraGear OLED monitor. We understand your situation and are happy to explain the in‑store demo setup. In our retail locations, the monitor runs a proprietary UltraGear OLED Showcase Demo Loop when put into Store Mode. Internally, this demo is labeled as “StoreMode_Demo.mp4” in the webOS Samples section, but it’s not distributed for end‑user download. The loop highlights key features—gaming footage at 240 Hz, HDR scenes, and webOS app previews. Here’s one helpful troubleshooting step if you’d like to view or verify the demo content yourself: Enter Store Mode on your monitor: Press the joystick, go to Settings → All Settings → General → Support → Home/Store Mode, and select Store Mode. Open the Media Player app from the home screen. Navigate to Samples → Store Mode Only. You’ll see StoreMode_Demo.mp4 listed—select it to play the same loop you see in stores. If the file doesn’t appear, please make sure your monitor’s firmware is up to date by visiting the Support & Downloads section on LG.com and installing the latest webOS update. That will restore the full Store Mode demo package. https://www.lg.com/us/monitors/lg-39gx90sa-w-gaming-monitor#pdp_specs We’re here to help with any further questions or setup tips. Please send us a private message on social media @LGUSSupport and our team will be more than happy to explore additional solutions. —Renzo

  Answered 10 months ago by LG Digital Customer Care

  
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