No drives found

[Kundan_3]

Today I am using my hp pro book and suddnely my screen goes blue type than after I try to restart it shows that operating system not found and than after I try to format c: only but there is no any drives found all memory showing free space so please help me about it what I do now my all data are important c: no problem but other drives are most important

 

[popatim]

How many physical drives are in your Probook?
Formatting C was not a good idea , you should have focused on rescuing your important data first.