Getting error after installing sql server 08 Express edition

I have installed SQL server 08 express edition and then tried to connect using SQL server management studio, but getting below error:

TITLE: Connect to Server

Cannot connect to My-PC\SQLSERVER.

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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 t开发者_运维问答he instance name is correct and that SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified) (Microsoft SQL Server, Error: -1)

For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&EvtSrc=MSSQLServer&EvtID=-1&LinkId=20476

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OK

any clue.

Are you sure you are referencing the correct SQL Server name? I think the default instance name is SQLEXPRESS. So, you might try connecting to .\SQLEXPRESS, where "." represents the local computer.