Fvd89VeYcwQ/VNvA0-C_SZI/AAAAAAAAAP0/pNe_Il3DDYw/s1600/Winkeyfinder.PNG' alt='Get Usb Serial Number From Registry' title='Get Usb Serial Number From Registry' />Why does my computer go New USB device every time I plug one into a different port Why does Windows not recognize my USB device as the same device if I plug it into a different portTabtight professional, free when you need it, VPN service. Serial. tools. listports This module can be executed to get a list of ports pythonm serial. It also contains the following functions. USBDeview Freeware manage all your USB devices. This program is Wow The amount of information that is stored about your USB devices is quite amazing. How To Use This Manual. This is the manual for apcupsd, a daemon for communicating with UPSes Uninterruptible Power Supplies made by American Power Conversion. Get Usb Serial Number From Registry' title='Get Usb Serial Number From Registry' />You may have noticed that if you take a USB device and plug it into your computer, Windows recognizes it and configures it. Then if you unplug it and replug it into a different USB port, Windows gets a bout of amnesia and thinks that its a completely different device instead of using the settings that applied when you plugged it in last time. Why is that The USB device people explained that this happens when the device lacks a USB serial number. Serial numbers are optional on USB devices. If the device has one, then Windows recognizes the device no matter which USB port you plug it into. But if it doesnt have a serial number, then Windows treats each appearance on a different USB port as if it were a new device. I remember that one major manufacturer of USB devices didnt quite understand how serial numbers worked. Just what to say thanks. This website has been very useful in assisting me in getting my usb to serial adapter to work. On my computer however there are no serial. Get Usb Serial Number From Registry' title='Get Usb Serial Number From Registry' />They gave all of their devices serial numbers, thats great, but they all got the same serial number. Exciting things happened if you plugged two of their devices into a computer at the same time. But why does Windows treat it as a different device if it lacks a serial number and shows up on a different port Why cant it just say, Oh, there you are, over there on another port. Because that creates random behavior once you plug in two such devices. Tell My Story Too Ebookers more. Csr Harmony Bluetooth Software Stack Skype. USBDeview is a software that lists all USB devices that connected to your computer, and allows you disable, enable or uninstall them. USB, or Universal Serial Bus, is an agreedupon standard that makes sure if you buy kit with USB technology built in, then its all going to work happily together. Problems with USB drives There are many possible problems with USB drives. Here are some problems and solutions Troubleshooting for USB drives. Advanced USB Port Monitor is USB bus, USB device and protocol analyzer software. This software packs the robust functionality that customers have come to capture. How to Find Nero Serial Number Product Key with Nero SerialFinder. Retrieve Serial Number of Nero 5,6,7,8 9 Complete Guide for locating Nero Registry Key. Depending on the order in which the devices get enumerated by Plug and Play, the two sets of settings would get assigned seemingly randomly at each boot. Today the settings match up one way, but tomorrow when the devices are enumerated in the other order, the settings are swapped. You get similarly baffling behavior if you plug in the devices in different order. In other words Things suck because 1 things were already in bad shapethis would not have been a problem if the device had a proper serial numberand 2 once youre in this bad state, the alternative sucks more. The USB stack is just trying to make the best of a bad situation without making it any worse.