1. Connect the USB to TTL wire to PC. The Ports will display as follow: 2. Install the driver. a) Download from https://raw.git
![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
![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-5.png)