Dell E1909Wb Monitor - Manual (Page 25)

Connecting the blue VGA cable
Organizing Your Cables
After attaching all necessary cables to your monitor and computer, (See Connecting Your Monitor for cable attachment,) use the cable management slot
to organize all cables as shown above.
Attaching the Dell Soundbar
CAUTION: The Graphics are used for the purpose of illustration only. Appearance of the computer may vary.