Bottom ViewNOTE: You can use this connector only after you connect the USB cable to the computer and the USB upstream connector on the monitor.Side View1 VESA mounting holes (100mm) (Behindattached base plate)Use to mount the monitor.2 Barcode serial number label Refer to this label if you need to contact Dell for technical support.3 Security lock slot Use a security lock with the slot to help secure your monitor.4 Dell Soundbar mounting brackets Attach the optional Dell Soundbar.5 Regulatory rating label List the regulatory approvals.6 Stand removal button Press to release the stand.7 Cable management hole Help organize cables by placing them through the hole.1 Power connector Insert the power cable.2 Dell Soundbarpower connectorConnect the power cord for the Soundbar (optional).3 DVI connector Connect your computer DVI cable.4 VGA connector Connect your computer VGA cable.5 USB upstreamconnectorConnect the USB cable that came with your monitor to the monitor and thecomputer. Once this cable is connected you can use the USB connectors on the sideand bottom of the monitor.6 USB connector Connect your USB devices.USB connectors (downstream)