ASUS M4A89GTD PRO Series 2-27
Chapter 2
Troubleshooting on HDTV overscaling or underscaling:
If your desktop is extending beyond the viewable display area or the desktop or image is not
1. Install AMD Chipset Driver from the motherboard support DVD.
2. Right-click the desktop and select ATI CATALYST(R) Control Center.
3. From the Graphics Settings tree, expand DTV (HDMI™) 1.
4. Click Scaling Options.
5. Move the Underscan/Overscan
HDMI™ DTV.
Using this slider increases or decreases any black borders that may be visible around
the outside of the display.
The Scaling Options function of the DTV (HDMI™) 1 item in the ATI CATALYST Control
Center is adjustable only when you are using an HDTV compliance resolution such as 480i,
720i, or 1080i.
6. To ensure that forcing a custom display mode through the ATI Displays Manager does
Use the scaling values instead of the
customized settings when the desktop resolution does not match your DFP
resolution check box.
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