A closeup of a DE-15 VGA connector. Pins 4,9,11,12, and 15 are all circled in red (not-connected) Pins 5, 6, 7, 8, and 10 are all circled in grey (ground)
https://digipres.club/system/media_attachments/files/113/262/504/701/302/091/original/c95bc7fa9b75a536.jpeg