monitor arm keeps tilting down

Mount-It! Laptop and Monitor Desk Stand | Full Motion Laptop Arm Stand | Ergonomic Adjustable Monitor Mount | VESA Monitor Desk Mount with Laptop Tray

2 Tier Monitor Stand, Metal Monitor Riser with Drawer, Desk Organizer, Monitor Stand with Storage, Desktop Computer Stand for PC, Laptop, Printer

RadioShack Multi-Position Laptop Stand, Gray Ergonomic Holder for All Laptop Sizes, Adjustable Angle & Height, Portable and Durable 2607035

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

Sanoxy Slim Wireless BT Keyboard for iOS, Android, Windows

Mount-It! Dual Monitor Mount | Double Monitor Desk Stand | Interchangeable C-Clamp & Grommet Base | Heavy Duty Height Adjustable Arms Fit 19 - 32 in.

Garmin HRM 200 Heart Rate Monitor - M to XL

Logitech K380 Multi-Device Bluetooth Keyboard for Mac, Off White

Delton KB450 Bluetooth Mechanical Keyboard

Accusplit AL530 Jumbo Display Timer/ Clock with Versatile Dual Display Timer | Adjustable Base for Tabletop Use or Wall Mounting | Loud Audible Alarm

Mount-It! Height Adjustable Dual Monitor Wall Mount | Supports Monitors w/ 75x75mm and 100x100mm VESA Patterns & Screens 17" to 32" | Cable Management

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

Mount-It! Triple Monitor Stand, 3 Monitor Stand Fits 19 - 27 Inch Computer Screens, Free Standing Base, Three Heavy Duty Full Motion Adjustable Arms

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

AULA S98Pro 96% Wireless Mechanical Gaming Keyboard, Hot Swappable Switch, Backlit, TFT Screen, Num Pad, Tri-Mode - Blue White

SideTrak Swivel 12.5" Attachable Portable Monitor for Laptop - IPS Full HD 1920x1080 USB Display - Black

Ergotron LX Desk Mount LCD Monitor Arm for 32" Monitors (White)

Wikineon Wireless Typewriter Keyboard, Bluetooth Connection, Cute Retro Aesthetic Design with Integrated Stand for Tablet Phone PC and Win/Mac/Android

Targus Foldable Ergonomic Keyboard - Black: Bluetooth, Wireless, Portable Design

Triple Monitor Mount for 17 to 32 inch Screens, Gas Springs Adjustment Triple Monitor Stand with Swivel, Tilt, Rotation, Clamp & Grommet Kit