In a SharePoint two server form, When I am accessing web application URL showing black page after three times with admin user but I am able to access CA URL. In second SP server able to access web application and CA without any problem.
There is couple of common causes of it.
Loopback check. You will need to modify the registry keys: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa\MSV1_0 REF: http://support.microsoft.com/kb/926642
lack of SuperReader/SuperUser configured. REF: https://technet.microsoft.com/en-us/library/ff758656.aspx?f=255&MSPPError=-2147217396