Splash Screen not able to get when power on iris board directly went to window page

we are Using iris t20 its working on wince7 power on the iris Board its showing “No input Signal” Ofter 2-3sec Directly get the normal window page of wince7 same issue, I am using Default Toradex Splash Screen
i am using tegra wince 1.4 image, one more device run on same image this is working fine.