Problems faced when connecting to sqlserver after downloading (I)

Question 1 ：

title : Connect to the server
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Can't connect to DESKTOP-A8Q2PDV\MSSQLERVER.

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Other information :

With the SQL Server A network related or instance specific error occurred while establishing the connection . Server not found or unreachable . Verify that the instance name is correct and SQL Server Configured to allow remote connections . (provider: SQL Network Interfaces, error: 26 - Locate the specified server / Error in instance ) (Microsoft SQL Server, error : -1)

1. Enter the login password set when downloading    

（ Login name is generally sa）

When you click Connect , appear

resolvent ：

First look at the renamed name of your computer （ This computer —— Right click —— attribute ）

4. Just change the server name , You can connect successfully

　

I found many ways to solve why the connection failed , The result is that the server name automatically generated by the system is incorrect , Ah , It's numb .