Dell UltraSharp 49 U4924DW 49" WQHD Ultrawide Curved Monitor - Manual (Page 50)

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Setting up the monitor
CAUTION: Before using the monitor, it is recommended to fasten the
stand riser to a wall using cable tie or a cord that can support the
weight of the monitor in order to prevent the monitor from falling.
4. Turn On the monitor and the computer(s).

If your monitor displays an image, installation is complete. If it does not display
an image, see
Common problems .
Cable tie or Cord