monitor arm keeps tilting down

StarTech.com Thunderbolt 3 Mini Dock - Portable Dual Monitor Docking Station DisplayPort 4K 60Hz - TB3DKM2DPL

Kensington SD5780T Thunderbolt™ 4 Dual 4K Docking Station with 96W PD - Win/Mac - for Monitor, Notebook - 96 W - Thunderbolt 4

Desktop Mobile PC Cart Height Adjustable 2 Monitor Mount Computer Desk Workstation Home /Silver Opt

Club 3D CSV-1564W65 Docking Station - for Headset, Mouse, Keyboard, Workstation, Smartphone, Notebook, Tablet, Desktop PC, Monitor

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

Targus HyperDrive Next 6 Port USB-C Hub - for Monitor - Charging Capability - Memory Card Reader - SD - USB 3.2 (Gen 2) Type C - 1 Displays Supported

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

Lenovo ThinkPad USB4 Dock 5000 - for Monitor, Notebook - Charging Capability - 100 W - USB4 - 4 Displays Supported - 4K @ 60Hz, 8K @ 60Hz, 4K @ 144Hz

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

Yescom VESA Mount Computer Monitor for PC Mobile Cart Adjustable Fits 10"-32" Screen

Targus Magnetic Privacy Screen for MacBook Pro® 13-inch (2020/2019/2018/2017/late 2016) and MacBook Air® 13-inch (2020/2018)

Yescom Mobile PC Stand Workstation w/ 2 Poles Dual Monitor Mount for 32" Screen Sliver

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

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

Targus 4Vu™ Privacy Screen for 27" Apple Thunderbolt Display, 16:10

SD4840P USB-C TRIPLE VIDEO DOCK - for Notebook, Monitor - Charging Capability - USB Type C - 3 Displays Supported

Kensington Monitor Stand with SmartFit, For 21" Monitors, 11.5" x 9" x 3", Black/Gray, Supports 80 lbs

Rocstor Premium Docking Station - for Desktop PC, Notebook, Tablet, Smartphone, Monitor, Memory Card Reader, Projector - Charging Capability

StarTech.com Thunderbolt 3 Mini Docking Station - Dual Monitor Dock for MacBook and Windows Laptops - Model TB3DKM2HDL

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

Alogic DV4 Universal Quad Display Docking Station - for Monitor, Notebook, Desktop PC - Memory Card Reader - SD, microSD - 100 W - USB Type C

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

Targus ACX003GLZ Mounting Bracket for Docking Station - Black

IRIS USA Computer Monitor Stand for Desk