AMD 2600 User Guide - Page 48

42 General Troubleshooting Problem Screen defects appear Possible solution • Check if the monitor supports the resolution, horizontal (kHz) and vertical (Hz) refresh rates as required by the graphics card. • Check the current resolution, refresh rate, and color depth settings in the Settings and Monitor tabs in the Display Properties dialog. Caution! Ensure that both video card and monitor support resolution and refresh rates you select. Incompatible resolution/refresh rate selection may result in monitor damage. Refer to the monitor documentation for recommended resolutions and refresh rates. Off-center screen image, odd colors or no picture • Try adjusting the brightness, sharpness, contrast, and color balance controls of the monitor. • Try adjusting the centering and positioning controls of the monitor to position the picture on the screen • Set the monitor RGB inputs (and sync switches, if this option is available) to 75 ohms, with the sync set to external. • LCD monitor users: Refer to the monitor documentation for the appropriate cable and connector to plug into the DVI-I connector on the graphics card. Operating system warns that video card isn't properly configured • Remove and re-install the ATI drivers for the graphics card. • Check the driver installation and make sure that all software is correctly loaded corresponding to the operating system and applications.