Difference between upstream and downstream USB port
May 20, 2020 · Unfortunately, your HDMI cable can't carry the keyboard information. You need that USB cable from your computer to the monitor. Upstream, I expect, will be the port that …
Dell U2422H Usage and Troubleshooting Guide
Apr 23, 2024 · 1 x USB-C upstream port (video + data) (Alternate mode with DisplayPort 1.4, Power Delivery PD up to 90 W) (U2422HE only)** 1 x USB-C upstream port (data only, 10 …
Monitor USB port usage guide - Dell
Feb 9, 2015 · Monitor USB port usage guide. * The monitor USB upstream cable should be plugged into a USB 3.0 port on the computer. * If the monitor is turned off, the USB devices …
How to Troubleshoot a USB Port Not Working on a Dell Monitor
Feb 6, 2024 · Open Device Manager and then click the arrow next to USB Serial Bus Controllers. At the bottom of the list, there are at least 2 and as many as 10 USB Root Hubs. Right-click …
Dell S2422HZ Monitor Usage and Troubleshooting Guide
Mar 14, 2024 · Turn off your computer and disconnect the power cable. Connect the DisplayPort, HDMI, or USB-C cable to the corresponding video or display port on the back of your …
Guide to DisplayPort over USB-C | Dell US
Aug 7, 2024 · DisplayPort over USB-C enables the delivery of full DisplayPort A/V performance (driving monitor resolutions of 4K and beyond), SuperSpeed USB (USB 3.1) data and up to …
Troubleshooting Dell Monitor USB Downstream Port Issues
Feb 8, 2024 · To ensure that the USB downstream ports on the Dell monitor work, connect the USB upstream cable between the Dell monitor and the computer. Dell monitors have a USB …
Dell UltraSharp U3223QE Monitor Usage and Troubleshooting Guide
Jul 25, 2024 · Some computers have USB 3.0, USB 2.0, and USB 1.1 ports. Ensure that the correct USB port is used. Reconnect the upstream cable to your computer. Reconnect the …
Dell UltraSharp 27 4K USB-C Hub Monitor - U2723QE Monitor …
Feb 13, 2023 · Ensure that the correct USB port is used. Reconnect the upstream cable to your computer. Reconnect the USB devices (downstream connector). Reboot the computer. …
Dell UltraSharp U2723QX Monitor Usage and Troubleshooting Guide
Apr 29, 2022 · Super-Speed USB 3.2 Gen2 peripherals working slowly or not working at all. Check that your computer is USB 3.0 capable. Some computers have USB 3.0, USB 2.0, and …