monitor arm keeps tilting down

Brookstone Full Motion Wall Mount for 37"-80" TVs, Swivel, Tilt, Level Adjust, 99 lbs Capacity

PERLESMITH Ceiling TV Mount for 26-65" Flat Screens, Adjustable Hanging Bracket for LCD/LED/OLED TVs, Holds Up to 110 lbs, Max VESA 400x400mm

Costway Ergonomic Mesh Office Chair with Footrest Height-Adjustable & Tilting Backrest

AOPEN 32SA2Q Abi 31.5" FHD IPS 75Hz 1ms Widescreen Ultra-Thin Monitor - 300 Nits - 1920 x 1080 Resolution - AMD FreeSync Technology - HDR 10 Support

Mount-It! Tilting TV Wall Mount Bracket for Small TV and Computer Monitors, Low-Profile Design with Quick Release Function, Fits Up to 27 Inch Screens

Foldable Lap Desk - Bullseye's Playground™

Meraw Aspen Bluetooth Wrist Blood Pressure Monitor, Automatic, Home Use, 5.3-8.5" Cuff

Mount-It! Monitor Stand With Freestanding Base and Height Adjustable Arm for Single Monitor | Fits Monitors from 17" to 32" | Supports Up to 17.6 Lbs.

Mount-It! VESA Mount Adapter Plate | Monitor & TV Mount Extender Conversion Kit | Fit Up to 400x200 mm Patterns, Heavy-Gauge Steel | Hardware Included

Mount-It! Full Motion Triple Monitor Desk Mount | 24" to 32" Monitors

Targus Foldable Ergonomic Keyboard - Black: Compact, Rechargeable, Compatible with Windows & macOS

Z-Edge UG24PJ (White) 24 Inch 240Hz Gaming Monitor IPS Panel 1ms MPRT Full HD 1080P, 350cd/m² Brightness, HDR10, FreeSync, 2x HDMI & 2x DisplayPort

Brookstone Tilt Wall Mount for 36″–90″ TVs, ±12° Tilt, 2.1" Low Profile, 99 lbs Capacity

Delton KB450 Bluetooth Mechanical Keyboard

JuiceUp Extended Gas Spring Monitor Arm Desk Stand

Mount-It! TV Wall Mount Bracket with Full Motion Arm Fits 13 - 43 Flat Screen TVs VESA 75, 100, 200, 55 Lbs. Weight Capacity with 15" Extension

Perlesmith Tilt TV Mount for 32" - 65" Screens with a maximum load capacity of 99 LBS, Max VESA 400 X 400mm

Emerald Full Motion Wall Mount for 32"-85" TVs – Heavy Duty, Swivel, Tilt, 180 lbs Capacity, Extends 16"

Perlesmith Tilt TV Mount for 13" - 43" Screens with a maximum load capacity of 55 LBS, Max VESA 200 X 200mm

Sanoxy Slim Wireless BT Keyboard for iOS, Android, Windows

Mount-It! TV Pole Mount, Full Motion Bracket for TVs up to 55 in. | VESA Compatible | Articulating Arm w/ Clamp Mounting Base for Indoor & Outdoor Use