2005 X type Estate Wagon with large screen and Nav When climate control is pushed nothing happens. When fan speed is pushed to max no fan in AC or defrost Looking for some help troubleshooting this issue

 

Do your interior lights work when you open your door?

 

yes interior lights work I made a big mistake tried hidden menu and touched SW update Now screen is blank and small lower screen if showing codes 50 and 51. Someone told me I need the software to fix this. Does any one have this software and could you send it to my email at bsers44@gmail.com Thanks in advance