Why my PC can't find phone since install windows phone 8.1

[S Ricardo]

Since I install windows phone 8.1,my PC can't find my phone,But it can application deployment,My PC's system is windows 8.1 with updata,My phone is Lumia 520,Who can help me:crying:

 

[anon(7900571)]

Please use this thread :-http://forums.windowscentral.com/windows-phone-8-1-preview-developers/274574-developer-preview-8-1-bugs-defects-thread.html

 

[S Ricardo]

Thanks