monitor arm keeps tilting down

Mount-It! Dual Monitor Stand | Double Monitor Free Standing Desk Mount | Arms Fit Two 19 - 24 Inch Screens | Interchangeable Grommet Base Included

SIIG Mounting Arm for Monitor - 32" Screen Support - Black

Mount-It! Small TV Monitor Wall Mount, RV TV Mount, Quick Release VESA Wall Mount Fits 19 to 32 Inch Screens, Low-Profile Slim Design, 44 lbs Capacity

SIIG Mounting Arm for Monitor - 32in Screen Support - Black

Mount-It! Sit Stand Workstation for Single Monitor and Keyboard | Height Adjustable Standing Desk Mount with Monitor Mount and Keyboard Tray

Mount-It! Single Monitor Desk Mount with Full Motion Arm | VESA 75 and 100 mm Compatible Computer Screen Bracket with Grommet Base, Silver

Mount-It! Car Laptop Mount for Commercial and Personal Use Vehicles, Heavy-Duty No Drill Notebook Vehicle Stand for Trucks, Vans and SUVs

Mount-It! Single Monitor Desk Mount With Gas Spring Arm | Clamp Base | Modular Design For Future Expansion | Premium Aluminum Cast

Mount-It! Full-Motion Triple Monitor Desk Mount, Holds up to 14.8 Lbs. - Silver

Mount-It! Full Motion Adjustable Single Computer Monitor Desk Clamp Mount Up to 32" Black

Mount-It! Height Adjustable Single Monitor Desk Mount Fits Up to 32" Screens, Silver

Mount-It! Triple Monitor Mount, Desk Stand with USB & Audio Ports, 3 Counter-Balanced Gas Spring Height Adjustable Arms Fits 24 - 32 Inch VESA Screens

Mount-It! Mobile Standing Desk with Dual Monitor Mount | 40 Inch Wide Height Adjustable Rolling Computer Workstation with Four Wheels | Black

Acrylic Monitor Stand Clear - Threshold™

Electric Sit Stand Desk Converter - Motorized Standing Desk Adjustable Height Riser with Dual Monitor Mounts, White

Pull Down TV Mount, Drop Down TV Mount with Gas Spring Arm, Height-Adjustable TV Mount for 37-80 Inch TVs

Mount-It! Dual LCD Monitor Wall Mount for MAX 30 Inch Screen Sizes, Height Adjustable, VESA 75x75mm and 100x100mm, Black

Mount-It! Double Monitor Desk Stand Fits 21 - 32 Inch Computer Screens | Freestanding Base | 2 Heavy Duty Full Motion Adjustable Arms

Mount-It! Standing Monitor Stand for Desktops | Single Monitor Mount | Height Adjustable Tilt Swivel Rotating | Fits 21.5 - 32 Inches Computer Screen

Mount-It! Laptop Desk Mount | Full Motion Laptop Arm with Vented Tray | Clamp and Grommet Base | Laptop Tray Works with Screens Up to 17" Inches

Mount-It! Full Motion TV Wall Mount Corner Bracket, Extending Arm Articulating, Swivel, Tilt Fits 26 - 55 Inch TVs, 66 Lbs Capacity, Black

Mount-It! Monitor Mount and Laptop Tray with USB Powered Cooling Fan, for 13 Inch - 27 Inch LCD Screens, Silver

Mount-It! VESA Laptop Tray Fits 11"-17" Computers | Clamp On Notebook Holder Arm for VESA Mounts with Safety Strap and Safety Ledge Stopper | Black

Mount-It! Full Motion Articulating Heavy Duty Dual Monitor Desk Mount w/ USB 3.0 Ports Fit 17-35 in, 33 Lbs. Capacity Per Arm w/ Adjustable Gas Spring