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How to check USB port using CMD

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Connecting the dots throughout the St Lawrence River, Seaway, and the Great Lakes System CMD command to check connected USB devices. Ask Question Asked 4 years, 1 month ago. Active 1 year, 6 months ago. Viewed 125k times 18 5. I would like to obtain by a command prompt a list of all USB devices connected to my computer (O.S. Windows 10). I've googled to find such a command, but all results seems useless to me or worse workless.. Press the Windows button + R. Type cmd and press enter. Press the Windows button or press start and type cmd, you should see the 'command prompt' press on it and the command line will be open. The command line to check if port is open

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usb - command to determine ports of a device (like /dev/ttyUSB0) - Unix & Linux Stack Exchange command to determine ports of a device (like /dev/ttyUSB0 The difference is you really have to check your commands, It is a whole lot quicker to make mistakes. For example, running the Unix rm command with a * could really cause trouble. I am going to assume you are referring to moving and changing attributes of the files, and using Windows XP and u To do so I needed to know the device's USB name. You can use the following command line execution to get the listing of connected USB devices: system_profiler SPUSBDataType USB: USB 3.0 Bus: Host Controller Driver: AppleUSBXHCISPTLP PCI Device ID: 0x9d2f PCI Revision ID: 0x0021 PCI Vendor ID: 0x8086 Generic USB Joystick : Product ID: 0x0006. This method is quite useful if you want to take a quick glance at the ports in use. 1. Search for cmd in the start menu, right-click on the Command Prompt and select Run as Administrator. This option lets you open the command prompt with admin rights Use the Device Manager to determine if your computer has USB 1.1, 2.0, or 3.0 ports: Open the Device Manager. In the Device Manager window, click the + (plus sign) next to Universal Serial Bus controllers. You will see a list of the USB ports installed on your computer

ITs Amazing IT Technical Support : Disable USB Storage via GPO

@Ramhound Using a University PC which has the device manager locked down to stop people like me fiddling. I can see that the device is COM3 on my laptop. I want to use Putty but I don't know which COM port to use. - Marmstrong Nov 4 '14 at 16:5 I'm very new to Raspberry Pi/Linux/Python world and I'm trying to identify one of the ports on my RPi, so if someone for example, connects a USB Flash drive (or anything) to that specific port an action will occur like turning on a LED and if it's disconnected the LED will turn off How to disable usb port in windows 10 using cmd - How-To - USB This document, titled « How To Display List of Open Ports in Command Line », is available under the Creative Commons license. Any copy, reuse, or modification of the content should be sufficiently credited to CCM ( ccm.net ) How to Open USB Flash Drive or External Hard Drive Using CMD You should plug the USB flash drive or external hard drive into the computer. After you open Command Prompt, you can type the drive letter of the external removable drive, be it USB flash drive or external hard drive, and type a colon after it This video shows you How to Enable or Disable USB Port from your Windows Computers. Prevent Users from USB port of Your Computers

window - CMD command to check connected USB devices

Open Device Manager. Click on Action in the menu bar and select Add legacy hardware > Next. Select Install the hardware that I manually select from a list (Advanced) and click Next. Scroll down, then select Ports (COM & LPT) and click Next Click Device Manager in the Control Panel. Click + next to Port in the Device Manager to display the port list. On WinCT, select the COM port (COM**) shown next to Communications Port. When USB converter AX-USB-** is used, select the one shown next to USB Serial Port. 2-5. Windows X

Using the command line to check if port is open

  1. An overview my new windows pc's helpful tutorial is How to Repair your corrupted USB flashdrive andMicro SD card and Hardisk without use any software. I use.
  2. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\UsbStor At your right, double-click Start. In the Value data box, type 4, click Hexadecimal, and then click OK. Close Registry Editor and Restart the machine
  3. Let's start to format your USB using CMD or its alternative tool and make the RAW, inaccessible, unreadable, and even corrupted USB flash drive, pen drive, memory stick work normally again. Part 1. How to Format USB Using CMD (Command Prompt) USB flash drive is worldwide used for storing data and transferring files
  4. al command that allows me to unmout or unattach any device that is connected to any of the USB busses that is shown on the list (obviously without physically disconnecting the device)

usb - command to determine ports of a device (like /dev

  1. Device Manager for Ports in windows. or use command line. open cmd and type mode mode displays all the controllable attributes of the CON (console) and the available COM devices (and LPT as.
  2. Listing and using USB serial ports on Linux. Here is how it looks when I attached USB device: $ sudo dmesg | more. Use the setserial command to check and use serial ports. The setserial is a program designed to set and/or report the configuration information associated with a serial port. This information includes what I/O port and IRQ a.
  3. Cmd command to check connected devices. Command Prompt (CMD), The simplest way to get a quick list of IP addresses and their devices connected to your network is with those OS native commands found in the To obtain detailed information about your network adapters and connections, use the ipconfigcommand. Open Command Prompt, type ipconfig,and press Enter
  4. To check your USB ports using Device Manager: Press Windows Key + R to open the run Command. Key devmgmt.msc and click OK. Once in Device Manager, click the little arrow next to Universal Serial Bus controllers. Look for the word Enhanced in the USB port description

Right, Windows 10, using software to program an external piece of hardware, it uses usb to connect it but asks for the port number. I cant for love nor money figure out how to find the damn thing. I can't seem to find any numbering in device manager or anywhere else > > modprobe -r usb_storage > > Using above command will work until you reboot the machine. > > For a permanent solution edit /etc/modprobe.d/blacklist and add following > line: > > blacklist usb_storage > > then save and reboot Since Microsoft is pushing PowerShell and CMD has become a legacy system, we should be using PowerShell for most of our working. Let's check whether a remote network port is open and listening or not. Open PowerShell by going to Run -> powershell. Run the following command. tnc google.com -port 80 Using the Registry Editor, you can easily enable or disable the USB Ports. Step 1. From the Start menu, open the Run dialog box or you can Press the Window + R key to open the RUN window. Step 2. Type regedit.exe and press enter to open Registry Editor. Step 3

3) Print successful. Using Vista. 1) Share the USB attached printer. 2) net use lpt1: \\computer\printer from a CMD prompt that is running as Administrator. 3a) Print from DOS window successful (for example, dir > lpt1: works properly and spools to the printer) 3b) Print from qbasic application not successful (cannot find printer In that case, you will view new USB 3.0 driver stack events for a USB 2.0 device. Instructions. To collect USB trace events. Open a command-prompt window that has administrative privileges. To do so, select Start, type cmd in the search box, Select and hold (or right-click) cmd.exe, and then select Run as administrator In Command Prompt, find the PID (the number from the last column) for a specific port. Open the Task Manager by using the Ctrl + Shift + Esc shortcut, or right-click on an open space on your.

To check open ports, open a command prompt (or PowerShell) as administrator and run the netstat command as follows: netstat -aon. The command displays lots of information. What you should pay attention to are Local Addresses that are in the LISTENING state. As you can see in the previous screenshot, In my Windows 10 computer, port 22 (SSH) is open The USB console port on the 500/5000 is a Mini-USB port located to the right of the fixed ports. Note: The USB A-Type ports cannot be used to connect the Local Manager to a computer. Connect the USB cable. Connect the Local Manager to a Windows 10 computer using the appropriate cable. Locate the correct COM port. Right click on the Windows. Use this AVRDUDE command to program the fuses on the ATMega1280 to enable OCD and JTAG: avrdude -P <port> -c <programmer> -p m1280 -U hfuse:w:0x1a:m -v. Replace port with the port to which your programmer is connected, and programmer with the programmer type. At this point, my question is: How can I find out the port of the USB in Kubuntu 4) Click > next to Port in the Device Manager to display the port list. 5) On WinCT, select the COM port (COM**) shown next to Communications Port. When USB converter AX-USB-** is used, select the one shown next to USB Serial Port. 2-4. Windows Vista 1) Click Start. 2) Click Control Panel in the Start menu

I want to use a Windows command prompt to enumerate, either to the console or to a text file, the available COM ports on the computer. I need the list to include the detailed description of the devices so that I can tell which ports belong to which pieces of plugged-in USB hardware How to Make in use COM Ports Available When you connect your Computer Timing Interface to a USB Port, Windows assigns a COM Port number to the device. If you use a different USB Port the next time you plug it in, or if you're also using a USB printer, they might get assigned a different COM Port number each time you use them

Can I control USB ports using only the Windows command prompt

Listing USB Devices using lsusb Command. The widely used lsusb command can be used to list all the connected USB devices in Linux. $ lsusb. As you can see from the output of the lsusb command in the screenshot below, all the connected USB device is listed. The Bus ID, Device ID, USB ID, and a title is displayed in the output of lsusb command USB have competitor in the from of Thunderbolt interface. As a Linux User/administrator we should know USB bus details as well as devices connected. In this post we will see how to use lsusb command to display different USB properties. Learn lsusb command with examples. Example 1: List all the USB ports available. lsusb . Output Check whether it is running as background process or not. Just open the command prompt from above mentioned procedure and write 'adb' and press enter. It should display all the adb's process running. When server starts, it always bind the local TCP port 5037. All ADB clients listen to 5037 TCP port to communicate with server request rem By using the MOUNTVOL command USB drives used as backup-to-disk targets rem can be either removed or plugged back in. rem By using the NET SHARE command USB drives may be shared out to users. c: cd C:\windows\system32\ cls @echo. @echo. rem This command displays both the details of the corresponding Volume Names and Paths @echo on call.

This really depends on how Windows does it, and on hub hardware, but I don't think it is very likely. You might want to look at my utility uhubctl, however it will not work on Windows due to Microsoft decision to restrict direct access to USB hub in winusb.sys kernel driver. uhubctl will work on any other OS (Linux, Mac, *BSD, etc) provided you have compliant USB hardware - check uhubctl page. Now, launch the Device Manager using Win + R and devmgmt.msc command; Now you need to force the Device Manager to show disconnected and unavailable devices. You need this to delete COM ports in use. Press View - Show Hidden Devices; The next step is to display all COM ports in use. Locate the Ports (COM & LPT) section Listing and using USB serial ports on Linux. Here is how it looks when I attached USB device: $ sudo dmesg | more. Use the setserial command to check and use serial ports. The setserial is a program designed to set and/or report the configuration information associated with a serial port. This information includes what I/O port and IRQ a. 6. Check if the Hardware is Damaged. The last and final thing you should check is the problems with your hardware. If there are any visible damages to the USB ports or you see anything inside the port which blocks the USB from staying properly, you should inspect it Find Out Plugged USB Device Name Using df Command. To view each device attached to your system as well as its mount point, you can use the df command (checks Linux disk space utilization) as shown in the image below: $ df -h. Find USB Device Name Using df Command

List USB Devices from Command Line - David Walsh Blo

List USB controllers and devices using usb-devices. The usb-devices command is a shell script that allows you to list all the USB controllers and the USB devices connected to your PC. It prints out details of the USB device such as the manufacturer, product name, serial number, and so much more. Here's the output of the command: $ usb-device Try different USB cables. 2. Check the USB Cable or USB device on another computer. You can take your friend's help for that. If the USB cable or the USB Device is working fine on another computer. You just need to confirm whether the problem occurs from the computer or USB side List USB devices on OSX command line. Ask Question Asked 6 years, 6 months ago. Active 4 years, 1 month ago. Viewed 351k times I'm not familiar enough with the driver system to know how to check this, but I don't think ioreg can tell you what you want to know. - Gordon Davisson Oct 19 '16 at 22:57 Disable USB removable disks and USB flash drives by using Group and Policy editor. Disable USB ports using the command prompt. Disable the USB port options from Device manager of Windows. Uninstall the USB mass storage driver. Block USB drives using third-party Windows software. Now, let me describe each method so that anyone can enable USB. Check USB Drive Bootable Status from Disk Management. Open your Start menu search and type in disk manager.. Select the Create and format hard disk partitions entry. Select the formatted drive (disk 1 in this example) and right-click to go to Properties.. Navigate to the Volumes tab and check the Partition style.

How to Check Which Ports Are in Use in Windows 1

However, if you want to use a different Headset/Speaker and Microphone with Raspberry Pi, the configuration steps would remain same. 1. Check If the Device is Detected by Raspberry Pi: Before you start, you need to check if your USB device is detected by the Raspberry Pi. To do this, you can use the lsusb command. Locate the device. Following Steps To Create Bootable USB Using CMD (Command Prompt) Step 1. First of all, Insert your Flash Drive and go to the start button, Type in search CMD. Step 2. Right Click on Command Prompt and Run as Administrator. How to Create a Bootable USB Drive Using CMD. Step 3. Now type diskpart and press Enter Android Debug Bridge (adb) is a versatile command-line tool that lets you communicate with a device. The adb command facilitates a variety of device actions, such as installing and debugging apps, and it provides access to a Unix shell that you can use to run a variety of commands on a device The device connected to COM1 needs a baud rate of 57600. The default baud rate of COM1 is 9600. At the moment, every time I need to use the device I power on the computer and change the baud rate of COM1 to 57600 in Device Manager. I tried to remedy this by typing the following in cmd: Mode Com1: Baud=9600 Parity=N Data=8 Stop= The ADB utility can be used either by connecting the device to the PC using a USB cable or over WiFi. To use it over WiFi, you need to do some settings as defined later on. To check that the ADB utility can connect to your device, simply connect the device to the PC using a USB cable and run the following command: adb devices

Determine the version of USB ports on your compute

First, plug in the USB drive. 2. Search for cmd in the start menu, right-click on Command Prompt and select Run as Administrator. 3. To format the USB drive, we need to make use of the Diskpart tool. So, execute diskpart command. 4. You will now be inside the Diskpart utility For some USB devices, you can check serial number in the properties on Windows Explorer or using CMD. Open the Windows Explorer, and right-click the USB flash drive and select Properties. You will see the serial number under the Details tab. If you can't find the number on Windows Explorer, you can get USB serial number using CMD. 1

command line - How to view serial COM ports but not

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The USB hardware verifier aims at capturing hardware failures that occur in a device, port, hub, controller, or a combination of them. The USB hardware verifier can perform these tasks: Capture hardware events and display information in real time. Generate a trace file with information about all events. Parse an existing trace file for event. An Android cable is called a Micro-USB cable. 2. As one type to another. For example, a USB Type-A to USB Type-C cable. If the cable has a Type-A connector at one end (as in the above image), that will usually be the first type. The second will be the shape of connector that will plug into your device

raspbian - How can I detect if specific USB port is being

  1. If I connect a Phone with my Windows 7 machine via USB, it shows up in explorer with a name e.g. Nexus 5. How can I open a command prompt and change directory to this device. For lettered drives, I can just type D: F: etc
  2. 3. you can also try the command. $ usb-devices. It would give you something like this, T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh= 1 D: Ver= 2.00 Cls=09 (hub ) Sub=00 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=1d6b ProdID=0002 Rev=03.19 S: Manufacturer=Linux 3.19.-59-generic xhci-hcd S: Product=xHCI Host Controller S: SerialNumber.
  3. istrator command prompt on the server: netstat -ano|findstr :443 -T
  4. 6. If the output of lsusb shows ports with varying USB versios and you're having trouble matching each line to the corresponding USB port of your machine, try the following: Plug in a memory stick at the port in question. Then run lsusb -t and look for the phrase Mass Storage

How To Display List of Open Ports in Command Line - CC

  1. Use port - Specify the serial port that will be the recipient of the transmitted data. Send requests to this port - Enable this option if you want to emulate a data stream being sent from a serial application. Respond as a device - This option is used to emulate data being sent to a COM port from a serial device
  2. Once there do the following: Expand the Ports '(COM& LPT)' You should be looking at something like this: As you can see Windows has set the port to COM10. However many legacy applications expect the port to be between 1-4. Let's change that:Right click on the device and click on 'Properties'. Click on 'Port Settings'
  3. istrator

How to Open Drive in CMD (C, D, USB, External Hard Drive

  1. The Command Prompt from the Windows 10 recovery drive. If Windows 10 has trouble booting and Startup Repair can't fix the problem, it's worth trying the Bootrec.exe tool in Command Prompt to fix boot records. 7. Use a Windows 10 recovery USB drive to access BIOS or UEF
  2. For example, when I connected my drive to a USB port, I can tell from the tool it's connected using USB 2.0 protocol, like this: Now, I connected the same drive to another USB port in blue, indicating that it's a USB 3.0 port. Let's check using the same tool. It's indeed USB 3.0. And the transfer speed is a lot more satisfying
  3. Today I found an easy way to check which application is using which port in my system. Here I'm sharing the steps. These steps are applicable for the Windows Operating System. Checking which application is using a port: Open the command prompt - start >> run >> cmd or start >> All Programs >> Accessories >> Command Prompt

How to enable or disable USB PORT using cmd - YouTub

Change to a different port in case the port you are using is not working. Avoid using USB Hubs because hubs may present a problem of their own. It's better to connect the drive directly. You may also want to consider trying a different computer. If you still can't find the drive it may be that the drive is dead. Check to see if your USB drive. Another method is. Assign the LPT1 port to your USB port. 1) Close all programs. 2) Click on the Windows - Start button. 3) Choose Run. 4) Type in CMD and press enter. Note: You should now be at what's called the DOS prompt, which is a black and white screen. Note: You will need to know the name of your USB port Also, using the sw#terminal monitor command, you can check the logs shown in the CLI once you disconnect either the camera or the cable connected to the switch port (To know in which switch port is connected the camera) If another program is using the same IRQ number that port is using, you will not be able to use both ports at once unless both devices are PCI or USB based. Accept the default baud rate, data bits, parity, stop bits, the program will use the same settings for input and output, so any setting works with the same port USB data transfer guide. USB is an industry standard, 'user-friendly' method of transferring data between a host device (such as a computer) and a peripheral device (for example, a mouse). To most computer users, the system simply allows the use of various devices by attaching them via a USB port

USB Drive showing Wrong Capacity - Size Error Fix - TechHow to Make Bootable USB Pendrive (Easiest Ways)

How to Check for Ports in Use in Windows 10 - Make Tech Easie

How can I turn on USB debugging using command-line on my PC without touching the phone? Stack Exchange Network Stack Exchange network consists of 178 Q&A communities including Stack Overflow , the largest, most trusted online community for developers to learn, share their knowledge, and build their careers Step 1: Go to the Command Prompt window in admin mode, and run the below command.Hit Enter: pnputil.exe -e. Step 2: Check the OEM number for the desired drive and note it down. For instance, we want to delete the Printer driver package. The OEM number for the Printer driver ( Imaging devices) is oem20.inf Ping Specific Port using nc. In order to ping a specific port number, execute the nc command with the v option for verbose, z for scanning and specify the host as well as the port to be pinged. You can also specify a domain name instead of an IP address followed by the port that you want to ping In the Device Manager window, scroll down and double-click on 'Universal Serial Bus controllers'. Here, you can see a list of all the available USB ports on your PC. Double-click on 'USB Root Hub', 'USB Composite Device' or 'Generic USB Hub' to open the 'Properties' window for that particular port. In the new popup window, go to the 'Details' tab

Here you can specify the parallel port (LPT1:, LPT2:), serial (COM1:, COM2: - before installation, make sure that this COM port is not used by another device) or USB port (USB001, etc.). Managing Default Printer Using CMD. From the command line, you can choose which printer to use for default printing Using lsof. The lsof command can list all open files in a Linux system. We can use the lsof command to find the process using a specific port with the -i :port_number option: The first four columns in the above output tell us the process name listening on port 22 and its PID, owner, and the file descriptor Check the Allow this device to If you are using Command Prompt, WoL may only work when the computer is sleeping since powering off the device may also stop providing power to the USB port We have already covered a topic regarding tips to remove virus from USB or any drive using CMD, and now is the time to uncover malware which runs in the background.. So, when a malware is running. Here we are using tcping to check port 443 at google.com. As can be seen the port is showing as being open and responding, if the port is not open it will show as no response after 2000ms by default. You could also use telnet to test for TCP connectivity to a port, however the tcping tool provides further features as outlined in the usage.

Check for ports opened: # firewall-cmd --list-ports 20/tcp 8080/tcp. The above ports, namely 20 and 8080 are open for incoming traffic. Check for all open ports and services: # firewall-cmd --list-all. Lastly you can get a precise overview of all open ports by the nmap command for any remote Linux host To check this, start your server, then go to portchecktool.com on the device you are hosting the server on, and type in the port you opened, your public ip is automatically filled in when you visit. on a command line only linux device, use the command dig +short myip.opendns.com @resolver1.opendns.com to find your public ip, then type. Info gathering How to check a PC's hard drive model, serial number, firmware version, and more using Command Prompt Yes, you can find out the model, serial number, and other info about the hard.

Make your own USB Rubber Ducky using a normal USB Stick

Restart the computer. After the computer starts, Windows will automatically scan for hardware changes and reinstall all the USB controllers that you uninstalled. Check the USB device to see whether it is working. If the USB port recognizes the device and if you can use the device, you are finished. If this method fixed the problem, you are. Method 1. Change USB Port, Connect Your USB to Rear Port (for Desktop Only) Like most users, you may connect your USB to the front ports on the desktop computer to transfer files. However, the power supply of front ports may become unstable after using for a long period. Thus, the transfer speed goes down How To Make Flash Drive Bootable Using CMD (Command Prompt) Here is a simple way to turn USB flash drive into bootable media to install any version of Windows like XP, 7, 8, 8.1, and Windows 10. All you need is a flash drive with a storage capacity of 4-8 GB Step 4.1: Identify USB driver using lshw command. lshw is another command that can be used to list hardware info. ls = List. hw = Hardwares. First you need to install lshw in your Linux system. Install using the following command: root@kali:~# apt-get install lshw. Now list all hardware and detailed info using the following command. root@kali. This net use command is used to cancel a network connection. Use /delete with devicename to remove a specified connection or with * to remove all mapped drives and devices. This option can be shortened to /d. /help. Use this option, or the shortened /h, to display detailed help information for the net use command

Depending on how screwed up the system is, your path variable may not be setup properly so you may need the fully qualified path to XCopy, usually C:\WINDOWS\system32. So your command would be. C:\WINDOWS\system32\xcopy /S c:\folderpath\ E:\folderpath. The rest would be as Tully explained above dmidecode command: List all hardware data from BIOS. ifconfig command: Outdated network config utility. ip command: Recommended new network config utility. hwinfo command: Probe Linux for network cards. ethtool command: See NIC/card driver and settings on Linux. We use standard terms, such as the network interface controller (NIC)

Use the down arrow to select Serial Port Setup and hit <RET>. If you do not know what 8N1 means, then please read my brief write up on serial communication before proceeding. Type A to edit the Serial Device and change the port to the correct value, which is /dev/ttyUSB0/ in my case. Type E to enter the line speed required by your device Part 2: How to Fix Power Surge on the USB Port. Well, as you are getting Windows 10 notification power surge on the USB port, after connecting the USB drive to the port, you need to fix it. Otherwise, the USB drive won't work, and you won't be able to get the files inside the device. Method 1: Check USB Connection; Method 2: Update USB Drive The first thing to know is that COM1 is ALWAYS reserved for the true Serial Port, not USB. You know those grey, bulky cables, which have a DB9 connection on each end. Yeah, that serial port. Many computers (especially laptops) no longer have serial ports, and they are becoming obsolete in exchange for more USB ports SKU: Any Atlona device with a serial (RS232) connection. Subject: How to use Hterm. Steps:. Hterm is a free serial program which can be downloaded here.; This program allows you to communicate with Atlona devices using their RS232 ports. Most newer Atlona devices have a captive screw serial port and older units have a dedicated DB9 port ()You can connect to these ports using a USB to serial. Particularly if you need to TTL logic levels, USB is probably the way to go since you can get the right logic levels (the voltage) integrated in the USB-TTL converter. See port.serial.cables for a variety of ways to make the physical connection from PC to router using homemade or commercial USB-serial and serial-serial cables

Using telnet to Test Open Ports The Complete How-T

Raspberry Pi can be used to interface with the real world from its GPIO, for example, by controlling a stepper motor. You can also use Raspberry Pi to dialog with some devices—like Arduino—by using a serial USB port.. In this guide, I'll show you how to connect your Raspberry Pi to a serial USB port and read its values with Python from the terminal (without a desktop environment) So, to fix the problem without do the really bad clue. First time, You must open the terminal and make access as super user : sudo lsusb -t|less, this command will be give you list the active usb. And in the result is : After we know the actived usb that connect with our modem. Do this command (When connected through RS-485 port Applications might not work at all. Get a RS-485-to-RS232 converter to use it as a COM port) Applications suited for serial ports often involve sensors, controllers, old check readers, pads, etc. Some USB virtual COM-port devices use vendor-specific drivers in place of the Windows-provided drivers (usbser.sys)