![How to change the COM port for a USB Serial adapter on Windows 7, 8, 8.1, and 10 - Plugable Knowledge Base How to change the COM port for a USB Serial adapter on Windows 7, 8, 8.1, and 10 - Plugable Knowledge Base](https://media.plugable.com/images/kb/714099/set-com-windows-003-max.png)
How to change the COM port for a USB Serial adapter on Windows 7, 8, 8.1, and 10 - Plugable Knowledge Base
![How to Fix a Prolific USB to Serial Comm Port – “A Device Which Does Not Exist Was Specified” Error in Windows 10 | FettesPS How to Fix a Prolific USB to Serial Comm Port – “A Device Which Does Not Exist Was Specified” Error in Windows 10 | FettesPS](http://www.fettesps.com/wp-content/uploads/2019/12/image-1.png)
How to Fix a Prolific USB to Serial Comm Port – “A Device Which Does Not Exist Was Specified” Error in Windows 10 | FettesPS
![Product | StarTech.com 1 Port USB to Serial RS232 Adapter - Prolific PL-2303 - USB to DB9 Serial Adapter Cable - RS232 Serial Converter (ICUSB232V2) - serial adapter - USB 2.0 - RS-232 Product | StarTech.com 1 Port USB to Serial RS232 Adapter - Prolific PL-2303 - USB to DB9 Serial Adapter Cable - RS232 Serial Converter (ICUSB232V2) - serial adapter - USB 2.0 - RS-232](https://cdn.cs.1worldsync.com/85/3c/853c609a-e059-41cf-9fc7-e1687bccb943.jpg)
Product | StarTech.com 1 Port USB to Serial RS232 Adapter - Prolific PL-2303 - USB to DB9 Serial Adapter Cable - RS232 Serial Converter (ICUSB232V2) - serial adapter - USB 2.0 - RS-232
![CableCreation USB to Serial 10ft Long Cable , USB to RS232 Adapter, USB to DB9, RS232 Converter 9-Pin FTDI Chipset for Windows , Mac OS and Linux - Walmart.com CableCreation USB to Serial 10ft Long Cable , USB to RS232 Adapter, USB to DB9, RS232 Converter 9-Pin FTDI Chipset for Windows , Mac OS and Linux - Walmart.com](https://i5.walmartimages.com/asr/e9ed2684-232d-41d9-a7a6-397672a36d5b.cba095be434282917feeade8168cab76.jpeg)
CableCreation USB to Serial 10ft Long Cable , USB to RS232 Adapter, USB to DB9, RS232 Converter 9-Pin FTDI Chipset for Windows , Mac OS and Linux - Walmart.com
![USB to Serial Adapter USB to RS-232 Male (9-pin) DB9 Serial Cable, Prolific Chipset, Windows 10/8.1/8/7, Mac OS X 10.6 and Above _ - AliExpress Mobile USB to Serial Adapter USB to RS-232 Male (9-pin) DB9 Serial Cable, Prolific Chipset, Windows 10/8.1/8/7, Mac OS X 10.6 and Above _ - AliExpress Mobile](https://ae01.alicdn.com/kf/H48287302f1334fbdb631e3d7d916dc90s/USB-to-Serial-Adapter-USB-to-RS-232-Male-9-pin-DB9-Serial-Cable-Prolific-Chipset.jpg)