monitor arm keeps tilting down

HUANUO Magnetic Laptop Stand for 10-17" Laptops, Portable Foldable Laptop Riser with Phone Holder Wrist Cushion

Mount-It! Single Monitor Arm Mount | Desk Stand | Full Motion Height Adjustable Articulating Tilt | Fits 17 - 32 Inch | C-Clamp and Grommet Base

JIONJOY Dual Monitor Mount: Gas Spring Arm Desk Stand with Clamp & Grommet Base for Computer Screens

Adjustable dual-monitor mount compatible with 17–33 inch monitors, each arm has a maximum load capacity of 22 lbs, includes a C-clamp and grommet hole

Gas Springs Adjustment Triple Monitor Stand - Fits 17 to 32 Inch Screens with Swivel, Tilt, Rotation | Clamp & Grommet Kit Included

Emerald Dual Monitor Desk Mount for 17-32" Screens, Full Motion Adjustable Arm Stand with Tilt, Swivel, and Cable Management

Mount-It! Keyboard Tray for Wall or Pole Mounting, Keyboard Mount with Spring Arm, Full Motion Arm for Easy Adjustments w/ Tilt, Swivel and Extension

Dual Monitor Mount Clamp-On Monitor Arm with 2 Adjustable VESA Mounts Black Stand Steady

Dual arm monitor stand, each arm can hold 17.6 pounds, adjustable desktop installation, maximum 32 inches, can tilt, rotate, spin

Mount-It! Cubicle Monitor Mount Hanger Attachment, Height Adjustable VESA Bracket for a 17" to 32" Screen, Adjustable Hook Supports up to 17.6 Lbs.

HUANUO Height Adjustable Single Monitor Arm - For 13"-32" Screens up to 22lbs, Full Motion C-Clamp & Grommet Base, VESA 75x75/100x100mm

ErGear Dual Monitor Stand for Screens up to 32 Inches, Max Load 22lbs Each Arm, Adjustable Dual Monitor Mount, Sturdy Steel, VESA Compatible

Anker Laptop Docking Station Dual Monitor, 8-in-1 USB C Hub

Workstream by Monoprice Low Profile Single Monitor Gas Spring Desk Mount - Up to 32in/19.8 lbs Screens, Detachable VESA

MAYEERTY Dual Monitor Counterbalance Desk Mount, Height Adjustable Swivel Monitor Stand for 17-32 Inch Screens

HUANUO RGB Heavy Duty Monitor Arm for Ultrawide Screens up to 57", Holds 44 lbs, Fully Adjustable Single Computer Desk Mount, Max VESA 100x100mm

IRIS USA Computer Monitor Stand for Desk

Mesh Monitor Stand with Drawer Silver - Brightroom™

Mount-It! Replacement Monitor VESA Plate | 33 Lbs. Weight Capacity | Fits VESA patterns of 75 x 75 mm or 100 x 100 mm | Black