I cant connect to SQL Server locally

I have just installed visual studio 2010 .It suppose to be come with sql express( if am i correct )The problem when i try to connect via sql server management studio express flowwingServername-->BrowseForServer.There is no sql server express instance just appears SERVERPC So i cant connect this way.\SERVERPC or typing or this way .\SQLEXPRESS I checked some protocols like TCP/IP ,NamedPipes if they work properly.Sql serverver is also running but i cant get started Sql server agent and Sql server Browser because all the buttons restart ,start,stop are disabled