Dell 34 S3422DWG 34" 21:9 Curved FreeSync WQHD 144 Hz HDR VA Gaming Monitor - Manual (Page 39)

Setting up the monitor │ 39
Wall mounting (optional)
(Screw dimension: M4 x 10 mm).
See the documentation that shipped with the VESA-compatible wall mounting kit.
1. Lay the monitor on a soft cloth or cushion at the edge of the desk.
2.
Remove the stand. See Removing the stand for details.
3. Remove the four screws that secure the panel to the monitor.
4. Attach the mounting bracket from the wall mounting kit to the monitor.
5. To mount the monitor on the wall, see the documentation that shipped with
the wall mounting kit.
NOTE: For use only with UL or CSA or GS-listed wall mount bracket
with minimum weight/load bearing capacity of 30.84 kg.