monitor arm keeps tilting down

Sylvox Full Motion Outdoor TV Wall Mount for 40-75 inches, with Flexible 6 Articulating Dual Arms for Flat Curved Screen TV

Mount-It! Laptop Desk Arm | Swivel Laptop Stand with Gas Spring Arm | Height Adjustable Laptop Arm Mount for MacBook, Dell, HP & 11-17 Inch Laptops

Mount-It! Tilting Wall Mount TV for 30 - 55 in. Flat Screens, LED, LCD, and Plasma TVs, 77 Lbs. Capacity, 2" Low Profile Design, Max VESA 400 x 400

Nestl Fur Reading Pillow, Faux Fur Bed Pillow with Arms, Reading & Bedrest Pillow for Sitting in Bed Adult & Kids

Emerald Tilt Wall Mount for 32"-90" TVs – Heavy Duty, Low Profile 15° Tilt, Up to 120 lbs

Mount-It! Adjustable Swiveling Tilting Articulating Full Motion TV Wall Mount Bracket ,VESA 75x75 100x100 200x100 200x200 Fits LCD LED 19 - 32 inches

Mount-It! TV Wall Mount Bracket, Quick Release, Full Motion Swing Out Tilt Swivel, Articulating Arm Fits 19" to 42" Flat Screens and Monitors, Black

Tilt Wall Mount for 32 in. - 55 in. TVs

Mount-It! Monitor and Keyboard Wall Mount with CPU Holder, Height Adjustable Standing VESA Keyboard Tray, 25 Inch Wide Platform with Mouse Pad

Emerald Full Motion Wall Mount for 32"-85" TVs – Heavy Duty, Swivel & Tilt, 180 lbs Capacity, Max VESA 600x400

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

Rocstor Premium Slim Docking Station - for Notebook, Desktop PC, Keyboard, Mouse, Monitor, Smartphone, Tablet - Charging Capability

Accusplit AX705 AX Pro Series Professional Stopwatch with Ultimate Lane Timer | Get Error-Free Timing with Twin Button Operation | Water-Resistant

iHealth Push, Wrist Blood Pressure Monitor, Large Display and Digital Bluetooth, Portable Carrying Case for Home/Travel

Mount-It! Slim Tilting TV Wall Mount Bracket for 32-65 Inch Samsung, Sony, Vizio, LG, Sharp TVs with Low Profile Design up to VESA 600x400mm, Black

Mount-It! Tilting TV Wall Mount Bracket for Samsung, Sony, Vizio, LG, Panasonic, TCL, Element, 32 - 65 Inch TVs, Premium Tilt 175 Lbs. Capacity

Dual Monitor Mounting Arm for Two Monitors up to 24 Inches Each VESA 75x75 and 100x100mm Compatible