monitor arm keeps tilting down

StarTech PC Wall Mount Bracket For Desktop Computers 2NSCPUWALLMOUNT

Ergotron Desk Mount for Monitor LCD Display Dark Gray 45690293

Peerless PLCM-UNL-CP Solid-Point Flat Panel Straight Column Ceiling Mount -225lb

SIIG Easy-Adjust Dual Monitor Desk Stand for 13" to 27" Displays

Amer Networks Dual Stand For Up To 32in

Allsop® Metal Art Tri-Level Adjustable-Height Monitor Stand with Drawer in Black

Atdec Desk Mount for Display Monitor Black AWMS-DB-F-B

Monoprice 1-Segment Wall Mount For Monitors Up To 27 Inch | Adjustable Gas Spring - Workstream Collection

Amer Mounts Up to 24" Screen Size Articulating Sit/Stand Extended Workstation

Peerless Paramount Articulating Wall Mount for 10" to 29" Displays PA730

Ergotron Clamp Mount for Monitor White

Planar Fixed Wall Mount

Aghana Digitals 2-Pack Black Speaker Stands with Tempered Glass, 3-Pillar Design, 220.5lb Capacity,

Ergotron Scanner Shelf with VESA Mount (White)

Amer Networks AMR1AWSV1 Wall Mount for Keyboard CPU Mouse Flat Panel Display

Allsop® Metal Art ErgoTwin Dual Monitor Stand in Black

Ergotron Desk Mount for Dual Monitor LCD Display Black 45686292

Workstream by Monoprice Low Profile Dual Monitor Gas Spring Desk Mount

Ergotron Desk Mount for LCD Display Black 97936085

Fellowes® Office Suites™ Premium Monitor Riser in Black

Peerless-AV® SmartMount® Flat Wall Mount for 22" to 43" Displays

Peerless-AV® Modular Series Dual-Pole Floor Mounted Plate for Wood or Concrete Floors MODFPP2

Atdec Ceiling Mount for Large 800x500 VESA Display Monitor WhiteTH3070CTSW

Ergotron WorkFit Corner Standing Desk Converter w/ 30" Screen Support - Black