A Network related or instance specific error Sql Server

In this video I have resolved an error

"A Network related or instance specific error"

when you try to connect with sql server or in visual studio or
in your software.
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Step1:
Open Run

Step2:
Open Sql Server Manager by using the following Command:

Step3:
Open Sql Services Tab
And Start the MSSQLServer Service

Issue resolved.
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Audio Used in Video:
The Coldest Shoulder
Credits: Youtube free music library
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