monitor arm keeps tilting down

Monoprice Extra Long Ceiling TV Mount Bracket For TVs 23in to 43in Max Weight 110 lbs. Extension Range of 28.3in to 62.6in VESA Patterns up to 200x200

Monoprice TV Wall Mount Bracket - 360 Degree, Fixed, For TVs 37in to 70in, Max Weight 110lbs, VESA Patterns Up to 600x400 Rotating

Monoprice Specialty Ceiling Mounted TV Wall Mount Bracket For Under the Cabinet or RV For 13" To 27" TVs up to 4

Monoprice Full-Motion Articulating TV Wall Mount Bracket For TVs 13in to 27in | Max Weight 33lbs, VESA Patterns Up to 100x100 - Stable Series

Monoprice Portable Foldable TV Display Stand for 32" ? 55" Displays max 77 lbs

Monoprice 2x1 Menu Board Ceiling Mount For Displays between 32in and 65in, Max Weight 66 lbs. ea., VESA Patterns up to 600x400 - Commercial Series

Monoprice TV Mount and Stand - Black, With Shelf for Displays 37in to 70in, Max Weight 88lbs., VESA Patterns up to 600x400 - Commercial Series

Monoprice 3x1 Menu Board Ceiling Mount For Displays Between 32in to 65in, Max Weight 66 lbs. ea., VESA Patterns up to 600x400 - Commercial Series

Monoprice 3x1 Menu Board Wall Mount For Screens between 32in-65in, Max Weight 66lbs, VESA Patterns up to 600x400 - Commercial Series

Stand Up Desk Store Universal Fit Fully Adjustable Swing Arm Clamp-On Desk Table Monitor Mount

PERLESMITH Full Motion TV Wall Mount for 32-65" Flat/Curved TVs, Dual Articulating Arms, Swivel & Tilt, Supports Up to 99 lbs, Max VESA 400x400mm

Sylvox Full Motion TV Wall Mount for 17–45" TVs – Swivel, Tilt, Extendable Arm, 70 lbs Load, VESA 100x100–200x200

Pipishell Full Motion TV Wall Mount Bracket for 26-55" LED/LCD TVs, Articulating Arms, Swivels & Tilts, Max VESA 400x400mm, Supports Up to 66 lbs

Pipishell Full Motion TV Wall Mount for 26-60" Flat/Curved TVs up to 77 lbs, Articulating Arms, Tilt, Swivel, Max VESA 400x400mm

Mount Factory Full Motion TV Wall Mount - Swivel Bracket fit Televisions from 42" - 70" up to VESA 400 x 600 - Tilt Swing Out Arm - 10' HDMI Cable

Monoprice Table Top for Sit-Stand Height Adjustable Desk Frame, 4ft, Black, Enough Room for PC or Laptop, Monitors, Keyboard - Workstream Collection

Monoprice Ultra-Slim Single Top Height Adjustable Compact Sit-Stand 26-Inch Desk Converter Riser Desktop Converter for Monitor or Laptop, Black

Z-Edge Curved Gaming Monitor 49" 144Hz DQHD 5120x1440 IPS 1ms MPRT, 32:9 Curved Display, 10-bit, FreeSync, HDR10, Tilt/Swivel

HP E27u G5 27 Inch Quad HD LCD IPS PC Monitor 75Hz Tilt Swivel Pivot Height Adjust DisplayPort Anti-glare VESA mountable - Manufacturer Refurbished

HP E24Q G5 QHD 23.8 Inch Desktop Monitor 75Hz 5ms Height Adjust Tilt Swivel Pivot Eye Ease Anti-glare, Black 6N4F1AA - Manufacturer Refurbished

ViewSonic VG2455-2K 24 Inch IPS 1440p Monitor with USB C 3.1, HDMI, DisplayPort and 40 Degree Tilt Ergonomics for Home and Office

ViewSonic VG2755 27 Inch IPS 1080p Monitor with USB C 3.1, HDMI, DisplayPort, VGA and 40 Degree Tilt Ergonomics for Home and Office

ViewSonic VG2248 22 Inch IPS 1080p Ergonomic Monitor with HDMI DisplayPort USB and 40 Degree Tilt for Home and Office