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This document provides information and instructions on how to resize an image to match the entire screen area of an HDMI display using the HDMI Scaling option within Radeon Settings.

The contents of this document are organized into the following sections:

HDMI Scaling Overview

When connecting an HDMI display to an AMD Graphics product, the image may not scale to properly fit the entire screen area of the display.  This can result in the image being underscanned or overscanned, as explained below: 

  • Underscan – The image rendered on the display is smaller than the physical area of the screen.  This creates a black border around the image, as shown in the picture below.
  • Overscan – The image rendered on the display expands beyond the physical area of the screen.  The portions of the image that extends beyond the edge of the screen cannot be viewed.

The HDMI Scaling option within Radeon Settings can be used to correct an overscan/underscan issue. 

In order to use HDMI Scaling the following conditions must be met (otherwise the scaling option may be greyed out):

  1. The HDMI display must be connected to the AMD graphics product using one of the following:
    • HDMI to HDMI cable
    • DVI to HDMI cable/adapter
    • DisplayPort to HDMI cable/adapter
  2. The display must first be set to its native resolution and refresh rate.  Please refer to the display's user manual for specification information. 
    For instructions on how to set the resolution and refresh rate for a display, please refer to article: Adjusting Display Brightness, Resolution and Refresh Rate.
  3. AMD graphics driver must be installed.  It is recommend to install the latest supported graphics driver for your AMD Graphics product.  For instruction on install the latest graphics driver, please refer to article: How-To Install Radeon Software on a Windows® Based System
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Adjusting the Image Using HDMI Scaling

To adjust the screen image using the HDMI Scaling option within Radeon Settings, follow the steps below:

  1. Open AMD Radeon Settings. This can be done in any of the following ways:
    1. Select Radeon Settings from the Programs menu
    2. Click on the Radeon Settings icon in the System Tray
    3. Right click on your desktop and select AMD Radeon Settings

  2. Select Display

  3. You will see the HDMI Scaling settings on the screen.  HDMI Scaling defaults at 0% and can be adjusted using the slider.
  4. Move the slider to adjust the image until it fits the entire screen.

    Note! If HDMI Scaling is at 0% but the image is underscanned and cannot be adjusted to fill the screen area, then ensure that the Image Size option in the on-screen menu of the display is set to Auto or Normal.  Please refer to the display's user manual for more information.

  5. Once complete, close Radeon Settings to exit.

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