problem with xperia z driver

[Sanota]

Hello all , hope you are doing good ,, could you please help me with my problem 

I have xperia Z and win7/ 64bit on my lap lately when I try to connect my phone to the lap it can't recognize

my phone , and I recieve (my 'null' is connected) ..

I uninstalled the SONY companion and reinstalled it and it didn't work, I restared both phone and laptop

and nothing happened,,, the driver of my phone has a problem and when I try troubleshooting inorder to choose

a driver I have (the driver of you device is already installed ,,,MTP USB driver) and I couldn't find this driver to reinstall it ,,,,, 

I need your help please,,, many thanks in advance

[_alexdon_]

Check out this topic:

http://talk.sonymobile.com/t5/FAQ/USB-connection-problems/m-p/348074#U348074

[Sanota · Accepted solution]

thanks a lot for your help,,, I solved the problem and the cause was "develpoer

option>>USB debugging (mark it)  and that's it

[_alexdon_]

Great.