Back ViewSide View2 Shortcut Key 1 / Up button3 Shortcut Key 2 / Down button4 OSD menu button / OK button5 Back / Exit button6 Power button (with power light indicator)Back view Back view with monitor standLabel Description/Use1 VESA® mounting holes (100 mm)(behind attached VESA 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 Stand removal button Press to release the stand.6 Regulatory rating label Lists the regulatory approvals.7 Cable management slot Use to organize cables by placing them through the slot.Left view Right view