Win7x64 install on MSI Mb -no more usb keyboard

[wart99]

Trying to load onto new build Win 7x64 ultimate from DVD. Get to {user name" panel - (ps/2 mouse working) - but no usb keyboard ( usb 2 slot at top).

Do I have to can the install in orser to to load drivers from MSI MB dvd ? Will that work or will I not be able to access drivers from MSI DVD without windows fully installed ?

MB: MS B350M PRO-VDH
Chip: AMD rysen 5
2- 8Gb memory

thanks

 

[rgd1101]

read https://www.anandtech.com/show/11182/how-to-get-ryzen-working-on-windows-7-x64