acer aspire v15 v3-572p-326t reset

Dec 14, 2017
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I have an acer aspire v15 v3-572p-326t i found in the dumpster and i want to clear all the previous owners info off it how do i do that? Ive tried the f-10 option and it removed the passwords off it but the laptop itself is still registered under someone elses name.