Dell P2223HC 21.5" 16:9 IPS Monitor - Manual (Page 45)

Setting up the monitor
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Organizing your cables
After attaching all necessary cables to your monitor and computer, (See
Connecting your monitor for cable attachment,) organize all cables as shown
above.
Securing your monitor using Kensington lock (optional)
The security-lock slot is located at the bottom of the monitor (see Security lock
slot (based on Kensington Security Slot™) ). Secure your monitor to a table using
the Kensington security lock.
For more information on using the Kensington lock (sold separately), see the
documentation that is shipped with the lock.
NOTE: The image is for the purpose of illustration only. The appearance
of the lock may vary.