monitor arm keeps tilting down

StarTech Single-Monitor Wall Mount Arm w/ Height Adjustment - 30" Monitors

Amer AMR2C32 Clamp Mount for up to 32" Displays

Planar Dual Monitor Desk Clamp - Supports Up to 27"

StarTech Desk Mount Monitor Arm Articulating Up to 34" Screen Size ARMPIVOTB2

Peerless-AV SmartMount SR560M Flat Panel Cart

Amer AMR2AW Dual Articulating Display Wall Mount

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! Heavy Duty Dual Monitor Arm up to 35 in. 44 Lbs. Screens, RGB Lights, VESA Desk Mount for Two Widescreen Curved Monitors 27 32 34 35 Inches

SIIG Dual Monitor Gas Spring Desk Mount with USB Port 17" to 32"

StarTech Articulating Arms Height Adjustable up to 32" Dual Monitor Stand

Mount-It! Single Monitor Desk Mount Articulating Desk Stand, Supports 15"-30" Screens, Spring Arm Dual-Segmented Single Monitor Mount, Silver

Mount-It! Mount-It! Full Motion Dual Monitor Wall Mount for monitors up to 34", Silver

Atdec AD-WM-9080 Full Motion Wall Mount for Large Heavy Screens to 100"

Peerless-AV SmartMount Pull-Out Pivot Wall Mount for 49" to 65" Displays

Clamp-On Heavy Duty 4 Monitor Mount - Silver

Mount-It! Dual Monitor Desk Mount Swivel Arm, Quick Connect with Combo Grommet and Clamp Base, Black

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

SIIG Triple Monitor Aluminum Gas Spring Desk Mount CEMT3611S1

Mount-It! Desk Mount Stand for Laptops, Tablets, and Notebooks for Screens up to 17 Inches with USB Powered Cooling Fan

StarTech Monitor Mount with Articulating Arm and Slim-Profile Design

Amer Networks AMR1WS Sit/Stand Wall Mounted Computer Workstation for 24" Screen

SIIG Dual Monitor Aluminum Heavy Duty Desk Mount with USB and Audio Ports

Amer Mounts AMR1UC Mounting Arm for Curved/Flat Screen Display