monitor arm keeps tilting down

Kensington SD4781P EQ USB-C & USB-A Dual 4K Docking Station with 100W Power Delivery - for Notebook, Monitor, MacBook - Charging Capability

Rocstor Premium USB Type-C 4-in-1 4K Multiport Adapter - for Smartphone, Monitor, Notebook, Tablet, Desktop PC - Charging Capability - USB Type C

Kensington SD4790P USB-C and USB-A 10Gbps Quad 4K Hybrid Dock - for Notebook, Monitor - Charging Capability - 150 W - USB Type C

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

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

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

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

Kensington G1000P USB-C Mini Dock - for Monitor, Projector, Notebook, Smartphone, TV, iPad - 85 W - USB Type C - 4K - 3840 x 2160

Hyper HyperDrive Thunderbolt 3 Mobile Dock - for Notebook, Monitor - Thunderbolt 3 - 2 Displays Supported - 4K, 8K - 3840 x 2160, 7680 x 4320

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

Yescom Mobile PC Stand Workstation w/ Dual Monitor Mount for Screen Up to 32" Black

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

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

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

Kensington UH1450P USB-C Mobile Dock - for Monitor, Notebook, Keyboard, Desktop PC, Smartphone, Mouse - USB Type C - 2 Displays Supported - 4K @ 60Hz

Targus 4Vu™ Privacy Screen for 11.6 ” Widescreen

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

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

Targus Universal Monitor Stand

Kensington SD1610P Docking Station - for Tablet, Notebook, Projector, Monitor - 60 W - USB Type C - 4K - 3840 x 2160 - 3 x USB Ports - 2 x USB 3.0

Kensington UH1510P EQ USB-C 5Gbps Triple Video Driverless Mobile Dock - for Notebook, Mobile Workstation, Monitor - Charging Capability

Cyber Acoustics Essential Docking Station - for Monitor, Notebook - 130 W - USB Type C - 2 Displays Supported - 4K - 3840 x 2160 - 4 x USB Ports

Kensington SD4855P Docking Station - for Notebook, Monitor - 100 W - USB Type C - 4K - 6 x USB Ports - 5 x USB Type-A Ports - USB Type-A - USB Type-C