monitor arm keeps tilting down

Rocstor Premium USB-C Dual Display Portable Dock Multiport Adapter - for Monitor, Tablet, Desktop PC, Notebook - Charging Capability - USB Type C

Adesso 11 in 1 USB-C Multiport Docking Station(TAA Compliant) - for TV, Monitor, Projector, Notebook - Charging Capability - Memory Card Reader

Kensington SD4790-MAC EQ USB-C Triple 4K Docking Station for MacBook - for Earset, Smartwatch, Smartphone, Notebook, Monitor - Charging Capability

Alogic MX2 USB-C Dual Display DP Alt. Mode Docking Station - With 65W Power Delivery - for Monitor, Notebook - 100 W - USB Type C

Targus Magnetic Privacy Screen for MacBook Pro® 15-inch (2019/2018/2017/late 2016)

Brydge Stone CORE Powered Charging Docking Station, 10 Ports, 100W PD, Dual Monitor, 4K60Hz, 8K HDMI, USB-A/C, Windows & MacOS Compatible

Targus 4Vu™ Privacy Screen for 11.6 ” Widescreen

Targus 4Vu™ Privacy Screen for 14.1” (4:3)

StarTech.com Monitor Privacy Screen for 27" Display Widescreen Computer Monitor Security Filter - Blue Light Reducing Screen Protector (PRIVSCNMON27)

Quartet Adjustable Height Desktop Glass Monitor Riser with Dry-Erase Board, 14 x 10.25 x 2.5 to 5.25, White, Supports 100 lb

Microsoft Surface USB4 Dock for Business - for Notebook, Monitor - Charging Capability - 100 W - USB4 - 2 Displays Supported

Targus Replacement Install Kit for Targus Magnetic Privacy Screens

j5create 4K60 Elite USB-C Triple-Monitor 10Gbps Mini Dock, JCD397

Kantek Extra Wide Glass Monitor Riser, 39.4" x 10.2" x 3.25", Clear, Supports 60 lbs

Kensington SD4842P EQ USB-C 10Gbps Triple Video Driverless Docking Station - for Notebook, Monitor - Charging Capability - 149.10 W - USB Type C

Mount-It! Full Motion TV Wall Mount Monitor Wall Bracket with Swivel and Articulating Tilt Arm, Fits 23 - 55 Inch LCD LED OLED Flat Screens, 66 Lbs

Mount-It! Electric Stand Up Desk Converter with Dual Monitor Arm, Motorized Standing Desk Riser with Monitor Mount for 2 Screens max 32", Large 47"

Mount-It! Height Adjustable Mobile Stand Up Desk, Rolling Presentation Cart with Monitor Arm - Grey

Mount-It! Height Adjustable Mobile Stand Up Desk, Rolling Presentation Cart with Monitor Arm - Black

Mount-It! Height Adjustable Stand Up Desk Converter with Dual Monitor Arm, 47 Tabletop Standing Desk Riser w/ Gas Spring, Fits Two Monitors up to 32"

Mount-It! Height Adjustable Dual Monitor Sit Stand Desk Converter with Gas Spring Arm | 2 Integrated USB 3.0 Ports | C-Clamp and Grommet Base

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

Pyle Universal Height Adjustable Laptop Stand - PLPTS3