Putty unable to open connection to com1 error 2. The same behaviour for two different USB to s...
Putty unable to open connection to com1 error 2. The same behaviour for two different USB to serial adaptors (FTDI and Prolific). i pluged the rs232 on my computer and tried connecting to device with putty and hyperterminal. Then I click open. I've tried setting both the device and putty configs to 115200, 8, 1, none, and no flow control. Sep 14, 2021 · While attempting to connect via serial connection using PuTTY an error similar to the following is seen: Unable to open connection to COM1 Opening '\\. Mar 10, 2023 · PuTTY is a free to use open source software that is used for terminal emulation, serial console and network file sharing purposes. Unable to open serial port" The intended use software simply gives nothing. com Nov 28, 2022 · 2 I am using windows 7, 64bit I have a MKS gen l connected to a usb port The CH340 com port emulation driver converts USB in to a virtual com port, com 5, baudrate 115200. . May 13, 2025 · Unable to Open Connection to COM1: 7 Ways to Fix The world of computers and technology is characterized by its complexities and nuances, especially when you’re interfacing with hardware through serial ports. When I run putty I enter serial option change com1 to com5, change baudrate to 115200. I've tried just running them both as their defaults. Feb 8, 2025 · Windows 11 updated to latest Putty updated to latest Teraterm installed and the same exact problem Two different sets of previously good serial cables tried Drivers updated cor serial devices and said to be current Different USB ports on laptop tried,… Jan 25, 2020 · A PuTTY error unable to open connection occurs mainly when the hostname fails to resolve to correct IP address or if there is any error in configuration. See full list on windowsreport. I am able to connect all others except the one. So you can get back to using Putty in no time. Just to be sure I'm understood, the command line won't open for a PuTTY session, and nothing is logged in the PuTTY "Loggin" section. About to try a different laptop. No dice. Jan 23, 2024 · The RDP connection is successful, except that the COM port data is not being passed over from the PC. Nada. When i press connect nothing appeared in screen except black terminal. Checking for processes using the service assigned to the COM port also shows nothing. We'll cover everything from checking your settings to reinstalling the drivers. It can be used freely, modified and copied without any limitations. message. Sep 27, 2020 · cmd mode gives only COM1 (internal to motherboard) putty gives "Unable to open connection to COM2. When I try to open the COM port using Putty I get: " Unable to open connection to COM1. Mar 13, 2023 · "can't open device "\\. Each time I see "Unable to configure serial port" I'm at a complete loss. You could try close other software that may be using the port in the Task manager, and try again. But I can’t start another debug session because I get the same “Unable to open connection to COM3 Unable to open serial port”. Dec 17, 2019 · 31 I want to connect with my serial Port using the PuTTY program, but it's not possible: When I click “open” nothing happens, I only hear a “Beep, Beep …” under a Windows 7 or MAC OS X with VirtualBox. Feb 16, 2021 · You may see this error when when attempting to use an already open COM port, it's been used by other program. Same settings as USB port emulator. Aug 11, 2023 · Check the setting for the connection on the connection tool (MobaXterm, but you can try with PuTTy as well) such as baud rate, data bits, parity, stop bits, etc. Windows finds the device as COM5 each time, tried changing it to COM1 and 2. \COM1": The system cannot find the file specified" Projects General Guidance kartik1955 March 13, 2023, 1:55pm I was trying to communicate with a hauwei switch in console port and used rj45 and rs232. Although I was able to connect to it before. Whenever I try connecting to it, it always give me error: Unable to open connection on myhost: Host does not exist My firewall is off and I have even re-installed putty but that did not Appears you don't have COM1 if Putty cannot open it, or another program is using COM1. Jun 2, 2022 · My firewall isn't blocking PuTTY either. The following screenshot shows my configuration for the serial port and the settings in PuTTY. I pressed enter multiple times but still nothing appeared i used Communication Port Com 1 May 30, 2015 · 8 I am using Putty to ssh into some of the servers that I work on. \COM1': Error 2: The system cannot find the file specified. Unable to open connection to COM1 Putty? Learn how to troubleshoot this common problem with our step-by-step guide. Complete putty troubleshooting - Fix putty ssh connection errors, putty login issues, and windows putty terminal problems with step-by-step solutions. Nov 7, 2014 · Since the Photon will disconnect and reconnect COM3 when it reboots after flashing, I close the puTTY session and start another. fpinqg gimjiiue bvdl jln ymnfx qekzn twzw ygta rgjbh eke
