First place to look for it : samsung.com
Look for Support or Download.
Next, you can search on manualslib.com, manualshelf.com, manualscat.com, all-guides.com, lastmanuals.com or manualzz.com
Those sites contains all sort of manuals, even those that the original maker no longer have available.
And, as N told you, enter the brand and model of your laptop into your favourite search engine and you'll surely find it.
Electro, December 2017
