bedo10
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windows failed to start

Hello

I have laptop DELL N5010 , windows 7 home basic .

i  made upgrade for windows 7 home basic  to windows 10 then i returned  to windows 7 using factory format . Since this time ,i get this  message “ windows failed to start a recent hardware or software change might be the cause to fix this problem 

1-        Insert your windows installation disc and restart your computer

2-        Choose your language setting then click next

3-        Click repair your computer

and i dont have the recovery media of my windows 


i hope to find the answer

thanks

 

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