Choice the Dex-100 Video Source
 Dex-Pro -> Tools -> Config -> Fram Grabber Setting

 Path  ->  -> C:\Program Files\ADLINK\DEX-100\utility\Diag.exe

Clear horizontal and vertical offset values
 Click the button of "Frame Adjust"
- Please set 0 for all the offset
  
Select source and resolution
- Select source from VGA or DVI


- Check the both result for Resolution and Signal, if the connection is successful.

If doesn’t detected the signal, follow the steps for troubleshooting.
- 
- Check the Local machine setting for display resolution.
 
- 
- Reconnect the local machine VGA cable to monitor.
 
- 
- Reboot the local machine.
 
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- Check the resolution from the monitor.
 
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- Reconnect the VGA to Dex-100.
 
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- Check Frame Grabber Setting whether the auto select for unexpected resolution.