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How to download the LG OnScreen Control (OSC) app and update monitor

[OnScreen Control] is an app that lets you easily manage LG monitor features from your PC, including Screen Split, monitor settings, and software or firmware updates. You can download the app for your operating system from the LG website. To update the software or firmware, your PC and monitor must be connected using a USB cable. [OnScreen Control] is only….

How to download the LG OnScreen Control (OSC) app and update monitor software or firmware LG USA help image
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TroubleshootingMonitors

What to Check First

  1. Use [OnScreen Control] when you want to adjust settings like Screen Split or brightness with your mouse.
  2. Use [OnScreen Control] when you need to update your monitor to the latest software or firmware for improved performance.
  3. [OnScreen Control] is only available on certain models. Check your owner’s manual to see if your monitor is supported.
  4. Check your owner’s manual first to see if your monitor is supported.
  5. To install the latest version, visit the LG website (www.lge.com) and download the file for your operating system.
  6. 1. Go to the LG website and select [Support] or [Service] from the top menu.
  7. 2. Select [Manuals & Software], [Manuals & Firmware], or [Software & Drivers].
  8. 3. Enter the exact model name of your monitor (e.g., 27GN950) and select your model from the search results.
  9. 4. Download the installer for your operating system (Windows or macOS).
  10. 5. Open the downloaded file. Unzip it if necessary, then run the installer to complete the installation.

Why This Can Happen

Symptoms can have more than one cause, and the correct steps depend on the exact model, installation and operating conditions. Use the checks above to narrow the issue before service.

Safety and Model-Specific Guidance

Stop troubleshooting if you notice burning, electrical damage, unsafe heat, gas odor, refrigerant concerns, or water near electrical components. Follow the official LG USA instructions for your exact model.

Frequently Asked Questions

What should I check first for How to download the LG OnScreen Control (OSC) app and update monitor software or firmware?

Use [OnScreen Control] when you want to adjust settings like Screen Split or brightness with your mouse.

When should I stop troubleshooting and contact LG?

Stop if the product shows signs of electrical damage, burning, leaking near electrical components, or if the recommended checks do not resolve the issue. Use LG USA support for model-specific service guidance.

Does this guidance apply to every LG model?

Not always. Controls, error codes and service steps can differ by model. Confirm the exact model number and follow the linked LG USA article for model-specific instructions.

Related LG Products

These model pages are linked because the stored category or exact model matches this Help Library topic.

Buying Guides for This Product Type

Features & valueMonitor Features Worth Paying For — Value GuideSmart featuresMonitor Smart Features, Apps & Connectivity GuideEfficiency & running costMonitor Efficiency, Energy & Running-Cost GuideHousehold use caseMonitor Family & High-Use Household Guide

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Read the Official LG Guide