slow booting after nvidia installation

[mlinderr]

my pc just decided to boot slow when I installed the Nvidia software @ post screen it writes letter for letter after showing its nvidia info. I've tried anything I could of so far help please

 

[firo40]

Have you gone into the bios and turned off the diagnostic loading screen?

 

[mlinderr]

I can't find it. Nd by the way ussually have to wait for it to boot. It says my bios version is 1.06.