
What do the upstream/downstream USB ports on a monitor do?
In many newer monitors, the upstream USB port on the monitor is usually a USB-C port. Thus, today, USB-C and Thunderbolt ports allow you to use a single cable between your computer and monitor to provide video signal to the monitor and also use USB ports on the monitor. Thunderbolt ports, like USB, also carry both power and data.
usb - what is the difference between upstream and downstream …
Jul 28, 2017 · USB is asymmetric. From the hub's point of view, "upstream" is the connection to the PC (the USB host), while "downstream" refers to connections to the devices.
windows - Why my USB disk is not showing up? - Super User
Dec 4, 2020 · Is your USB drive not showing up in Windows File Explorer but can be seen in Disk Management? Or Is it missing from both Windows File Explorer and Disk Management? To make it clear, go to "This PC" > "Manage" > "Disk Management" …
USB stick doesn't mount, but is detected. How to repair?
Aug 20, 2012 · How can I make the USB stick work again? You can't. If no computer can "see" it, you can't use your computer to fix it. If you had time, skills and resources, you might be able to disassemble it, identify the faults and repair or replace the faulty components. This would probably cost more than purchasing a hatfull of new USB sticks.
windows - How to fix the "Unknown USB device needs more …
Aug 18, 2018 · There's a message popping up saying: Unknown USB device needs more power than the Port can Supply. What do I have to do? What's wrong?
A computer that fails to boot if certain USB devices are plugged in
Oct 14, 2013 · If a USB device is listed before the HDD or CD drive, then the computer will attempt to use it to boot up. If there is no bootable partition on the USB device, then you may get a blank screen or some kind of "Boot record not found" type message. Apart from the boot order, there may be some compatibility issues between the motherboard and USB ...
Permanently disable wake-on-mouse in Windows 10 - Super User
Apr 16, 2022 · Yeah, there is a bug in Windows and I don't know why they can't fix this! Even if you "unarm" the mouse to wake up the PC, it will still wake the PC from any mouse movement. Same goes if you disable the mouse from waking in the device manager.
How to fix corrupted filesystem (shows as RAW) in USB device?
Most probably your USB device's memory unit is broken or there is problem in connection between flash memory controller IC and flash memory IC. Operating system recognizes it as USB memory unit. This means that USB interface IC (memory controller) is working.
Why are USB ports oriented differently on different devices?
USB 3.1 receptacles should be orientated to allow the Icon on the plug to be visible during the mating process. This means for devices lying on a surface it's unambiguous, but for vertical USB ports it might leave some room for interpretation.
USB Audio Device Preventing Sleep (Windows 10) - Super User
Feb 19, 2016 · TL;DR How can I prevent my USB Audio Device (in this case Hyper X Cloud II Headset) from preventing my computer to enter sleep? I have used powercfg -REQUESTSOVERRIDE to remove all entries that come up in powercfg -requests and ensured in Device Manager that all USB ports are able to turn off devices to allow the computer to sleep.