monitor arm keeps tilting down

Mount-It! Quad Monitor Desk Mount With Full Motion Arms | Modular Four Arm Monitor Stand With Quick Disconnect Technology, Clamp and Grommet

Mount-It! Single Monitor Arm Mount | Desk Stand | Heavy Duty Full Motion Height Adjustable | Fits 13 - 30 in Compatible Computer Screen | C-Clamp Base

Monoprice Cubicle Flat Panel Monitor Mount - Black | Ultra-Thin, Adjustable Height, Durable - Workstream Collection

Z-EDGE MS05 Single Monitor MountStand Arm, Supports 22"- 40" monitors and 26 lbs, 360° Adjustable, Clamp & Grommet Base

Mount-It! Sit Stand Wall Mount Workstation | Adjustable Height Stand Up Computer Station with Articulating Monitor Mount, Keyboard Tray, & CPU Holder

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

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! Quad Monitor Desk Mount With Full Motion Height Adjustable Arms | Premium Modular Computer Screen Mount | Clamp Base | Silver

Mount-It! Sit Stand Dual Monitor Wall Mount Workstation & Stand Up Computer Station with Articulating Keyboard Tray Arm and CPU Holder

Deflecto® Sustainable Office™ Desk-Shelf Organizer in Black

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

ViewSonic LCD-STND-001 Portable Monitor Stand with 360 Swivel, Tilt, and Height Adjustment for 2 Monitors up to 17 Inches Each

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

Ergotron Wall Mount Arm Kit

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

Mount-It! Height Adjustable Spring Arm Dual-Segmented Single Monitor Mount | Fits Up to 30" | Black

Mount It! VESA Adapter Mount Bracket Kit For Non VESA HP ACER Samsung Dell Asus Monitors | Fits 13 to 30 Inch VESA 75x75 and VESA 100x100, Black

Allsop® Metal Art Organizer 5 Monitor/Laptop/Printer Stand with Built-In Sliding Drawer in Black

Mount-It! Full Motion Single Monitor Desk Mount, Height Adjustable with Gas Spring Arm

Mount-It! Height Adjustable Converting Triple Monitor Electric Standing Desk Converter | Stand-Up Computer Workstation with Three Monitor Mount

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

Premium Height Adjustable Single Monitor Arm Black - Rocelco: Ergonomic, Secure, with Cable Management

Ergotron LX Desk Mount Monitor Arm Tall Pole Matte Black Matte Black

Fellowes® Breyta™ Ergonomic Monitor Riser