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How To Set Com Ports In Windows 10

Create virtual COM ports in Windows 10 with USB Serial Converters

Most ofttimes, virtual COM ports in Windows 10 install automatically when a user connects a converter to a calculator with internet access. Unfortunately, at that place are Serial Converter device drivers that won't automatically install on sure operating systems.

This is non a major upshot, equally users can simply install the drivers utilizing the disk that comes with their specific Serial Converter.

Follow the instructions below to install Serial Converter device drivers from a disk:

  1. After inserting the CD into the disk bulldoze, connect the USB Serial Converter to an open up USB port.
  2. The "Found New Hardware Magician" should run automatically, and will guide users through the remaining installation.
  3. One time prompted to connect with Windows Updates (which will ask to search for bachelor drivers), choose the "No, not at this fourth dimension" option.
  4. Follow all instructions to complete commuter installation using the provided CD.
  5. Later on the VCP Driver installs successfully, users will find their USB Serial Converter in the Windows Device Manager.
    • ○ Under "Ports (COM & LPT)", the device volition be labeled as "USB Serial Port (COMx)"
    • ○ Under "Universal Serial Motorbus controllers": the device will be labeled as "USB Serial Converter". Device Manager
  6. After installing the Virtual COM Port Driver, users should cheque their Windows Device Manager to ensure all drivers are installed properly. USB Serial Converter
  7. If drivers haven't been installed correctly, a yellow exclamation icon is displayed nether the "Ports (COM & LPT)" or "USB Serial Bus Controllers" menu.
  8. To ready any problems with installation: right-click the yellowish exclamation icon, click "Update Driver", and so search for the necessary commuter (located on the deejay provided with the USB Serial Converter).

How to change COM port settings in Windows 10

Some software applications are designed to only operate with designated series ports. If you need to work with this kind of program, you may need to know how to detect port numbers in Windows 10 so you tin alter them if necessary.

In many cases when working with older devices or applications, you volition exist called upon to change COM port numbers to successfully operate the programs and peripherals. Some legacy equipment is only capable of working with specifically named series ports.

The following procedure allows Windows users to change the COM port number for any attached device.

Just follow these simple steps on a Windows x machine to alter the default COM port number.


  1. In Device Director, navigate to the COM & LPT ports department and locate the device which needs its number modified. Right-click on the selected device and cull Properties in the displayed menu. Step 1
  2. Open the Port Settings in the Properties window and select the Avant-garde push. Step 3
  3. The Advanced Settings window is where you perform the number reassignment. You select an available port number from the list presented in the lower-left of the window. In our case, we are updating the device'due south number from COM 3 to COM 5.
  4. Relieve the settings by clicking the OK push button. This will close the open windows. The new number may not be assigned until the device is removed and reconnected to the computer.

Tip: Here is what you can try if COM ports are not showing in Device Manager:


  1. Open Command Panel.
  2. Search for "device" using the box in the elevation-correct corner and select Device Manager from the results.

How to Reset com ports Windows 10

COM port (Communication port) is the championship given to the port series interface that'southward located in a common (IBM compatible) computer.

There are occasions when computers offer users one or ii physical COM ports (RS-232), just today's models normally lack these physical COM ports. It should be known that COM ports don't always refer to physical ports. Virtual ports are bachelor as well. These ports are developed when a USB-to-UART adapter is used—most oft utilized past FTDI and Croduino.

See below for multiple examples of such devices (AKA jail cell phones, USB modems, RFID readers, card readers, etc.)

In each example where Windows registers a new device (one which possesses a new ID), Windows connects that device to an empty port, from COM i port if you didn't accept any connections before, then (COM2, COM3, COM4, ​​etc.—from 1 to 255).

Additionally, every port is exclusively assigned to a unmarried device, remaining occupied (Windows displays the COM port as "in use") even when the device isn't continued anymore.

For a majority of the fourth dimension, this isn't an result unless users attempt to run certain legacy software (software that struggles to function with COM-ports higher than 9.)

One case is when an app functions finer with COM1 to ix, but fails if no unoccupied COM ports below COM10 are available.

Some other trouble tin occur when certain devices require far too many COM ports to role.

Specific adapters could reserve upwardly to xxx (or more) COM ports. This situation means users are forced to delete COM ports existence used in Windows—or switch a currently occupied COM port to a different device.

The tutorial below will explain how to articulate currently occupied COM ports, besides as how to disable the numbering of new ports.

  • Step 1: Striking Win+R (write regedit so click Enter).
  • Step 2: Search through folders:

    HKEY_LOCAL_MACHINE\SYSTEM\CurrentConstrolSet\Command\COM Proper noun Arbiter .

  • Step 3: Located in the right panel, double-click the right click ComDB. ComDB

    Annotation: This opens a window displaying port addresses.

  • Stride 4: Enter all zeros to reset.
  • Step five: Click OK subsequently confirming changes, and at present the ports are reset. edit binary value

What is USB series port commuter FTDI

Virtual COM port (VCP) drivers make USB devices appear as additional COM ports that the PC tin admission. USB devices tin can be accessed past application software similarly to how information technology would access standard COM ports.

Futurity Technology Devices International Express'southward software is offered "as is". Any and all described (or implied) warranties (including, but non limited to, implied warranties of merchantability and fitness for a particular purpose) are disclaimed.

In no event shall Future Technology Devices International Limited be liable for any direct, indirect, incidental, special, exemplary, or consequential damages (including, but non limited to, procurement of substitute goods or services; loss of use, data, or profits; or business concern pause) however acquired, and on whatever theory of liability, whether in contract, strict liability, or tort (including negligence or otherwise) arising in whatsoever way out of the use of this software, even if advised of the possibility of such damage.

FTDI drivers can be used simply in conjunction with products based on FTDI parts.

Source: https://www.virtual-serial-port.org/articles/com-port-on-windows-10/

Posted by: shannontherfull00.blogspot.com

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