Windows 10 struck on attempting repairs

My Windows 10 is struck on attempting repairs I don't have Windows 10 DVD to boot the system ... I have some data important for me to recover and I can't afford to reinstall the window please help !!!
 
Give it a couple of hours. If 'sleep' or 'hibernate' is turned on, wave the mouse around every 5-15 minutes. In future, make back-up.
 
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