Unable to configure 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. , /dev Nov 15, 2021 · I had similar problems with PL2303 issues (Prolific USB to Serial Drivers) Windows 11 for communicating with the CELESTRON NEXSTAR+ & STARSENSE HAND CONTROLLERS. See full list on windowsreport. 5 VCP drivers from STM installed. Standard USB-A PORTS on computers did not recognize the drivers and were unable to establish a connection using for connecting the USB-A to USB-B Mini Lead to the HAND CONTROLLERS. 1 machine, the COM port does not open. Feb 16, 2026 · 本文档详细介绍了如何检查设备管理器中的串口可用性，并使用MobaXterm进行串口连接。步骤包括进入设备管理器验证串口状态，通过MobaXterm选择COM5端口建立连接，以及说明了为何必须关闭并重新开启设备以确保成功接收串口信号。 Jul 3, 2018 · When I attempt to do the same with a Windows 7 or 8. 1, the device manager has the MCU listed as STMicroelectronics Virtual COM Port. In the Serial line box, enter the correct port (e. Follow a comprehensive step-by-step guide to identify and resolve common issues. When I select Device Manager nothing shows up, I cannot see Ports COM & LPT. Install additional serial port tools and drivers: sudo apt-get install setserial minicom Reconnect your device. The following screenshot shows my configuration for the serial port and the settings in PuTTY. Unable to configure serial port. Nov 2, 2025 · How to Configure and Communicate with Serial Ports (RS-232, RS-422): Setting Baud Rate & Programming in Java, C/C++, Unix Shells, Windows/Hyperterminal Serial communication has been a cornerstone of device interaction for decades, enabling data transfer between computers, embedded systems, industrial machinery, and sensors. 4. g. Dec 24, 2025 · In summary, enabling and configuring a COM port on Windows 11 is a crucial skill for users working with serial devices. For instance Putty says 'Unable to open connection to COM6. Both machines have the latest v1. . May 31, 2023 · Q: How to solve the problem that the serial port cannot be connected? A: You can try to check the serial port settings, check the driver, replace the device or cable, and try other options. 1 day ago · Describe the issue you are experiencing I seem unable to add any device, no matter what, I'm on HassOS, up-to-date, and on supported hardware. With a clear understanding of the process, you can troubleshoot and optimize your hardware setup efficiently. Jun 1, 2025 · Effective methods for troubleshooting new serial devices on Microsoft Windows. Select Connection type as Serial. com Oct 7, 2022 · After updating to Windows 11 I can no longer get the serial port in Ports COM & LPT from the Device Manager. I tried to downgrade the firmware to default and everytime i try flashing, betaflight tells me that it unable to open serial port. Jan 11, 2025 · However, if your adapter does not work. Configure PuTTY with Correct Settings When using PuTTY to connect to a serial port: Open PuTTY. ' For Windows 7 & 8. But I have no clue where to go from here Apr 12, 2023 · CSDN问答为您找到mobaxterm与串口连接失败相关问题答案，如果想了解更多关于mobaxterm与串口连接失败 mcu、linux 技术问题等相关问答，请访问CSDN问答。 Dec 12, 2025 · Upon copying the Diff from pmb v4, i was unable to bind my receiver, and when i plug in my battery, one of the motor will twitch and sometimes spin a few rounds in slow speed.
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