SQL Server having this two error

Question

SQL server configuration manager, when i start to running connection.
error is

    The request failed or the service did not respond in a timely fashion. consult the event log or other applicable error logs for details.

and

when i add database file in asp.net solution explorer 

error is
A network-related or instance-specific error occurred while establishing a connection to sql server. The server was not found or was not accessible. Verify that the instance name is correct and that sql server is configured to allow remote connections. (provider: shared memory provider, error: 40 - could not open a connection to sql server)

pls check uploaded file and pls give me solution. thanks.