HP f2105 21 inch LCD Monitor - Manual (Page 33)

Setting Up the Monitor
User’s Guide 3–13
7. Connect the USB hub cable from the PC to the USB In
connector on the monitor to enable the two USB 2.0 ports on
the side of the monitor. The USB 2.0 ports cannot work without
the USB cable attached.
Connecting the USB hub cable
USB In
Audio In Audio Out
AC VGA
DVI
PC
S-VIDOUT COMPOUT
SERIAL
ETHERNET
OUT IN
1394
USB
USB In