The screen is fine, but the power connector between the screen and the Pi is not providing enough power to turn on the Pi. So you need a power cord for both the screen and the PI.
LG 27MP59G-P 27 inch Monitor with FreeSync, 75Hz Refresh Rate, and 1080p HD Resolution
93 Review
Dell SE2216HV LED π» Monitor with 60Hz Refresh Rate
101 Review
Dell SE2416HX Screen LED Lit Monitor 23.8", 1920X1080P, HDMI
93 Review
Sceptre C325B-144R: Advanced FreeSync HD Display with Wall Mounting and Tilt Adjustment
94 Review
Logitech C270 HD Webcam, 720p HD, Wide-screen Video Calling, Light Correction, Noise-Reducing Mic, Skype, FaceTime, Hangouts, WebEx, PC/Mac/Laptop/Macbook/Tablet - Black
10 Review
π§ Turtle Beach Stealth 700 Gen 2 Wireless Gaming Headset Xbox Series X/S, One, Switch, Windows 10 - Bluetooth, 50mm Speakers, 20-Hr Battery - Black
7 Review
RGB Computer Speakers, Bluedee Upgrade HiFi Stereo Bluetooth 5.0 & 3.5mm Aux-in Connection, USB Powered Sound Bar for Desktop, PC, Monitor, Laptop
11 Review
π» Get Amazing Video Quality with Logitech HD Pro Webcam C920 (Discontinued Edition)
83 Review