I have seen a small rectangular hole on the right top edge of laptops. Looks like a port. What is it? - Quora
Kensington security slot lock hole on the back of the laptop computer, macro, closeup, detail. K-Slot anti-theft system, technology theft protection c Stock Photo - Alamy
Jual Kensington Lock/Security Lock Untuk Notebook,Monitor,Projektor Dan PC - Jakarta Barat - Afortech Computer | Tokopedia