Solution to FT232R's unrecognized issue

2021-06-04 1 Read technical service
FT232R出现不识别的解决办法


aboutFT232RSolution for unrecognized issues

(Taking Win7 system as an example)

Application environment:

1、Previously used normally, suddenly unable to start

2、Viewing devices can only show“FT232R  USB  UART”Unknown devices

3、And reinstalling the driver is invalid


Start solving the problem:

Open Device Manager and find it in Other DevicesFT232R USB UART



Double clicking to open reveals that the manufacturer of FT232R has been identified as unknown, and even the device type label has been lost



First clickUpdate driver program, chooseManually search for and install driver software

Note: There may be differences in other systems, please select the second one



Select from the device driver list of the computer

Note: There may be differences in other systems, please select the second one



choiceUniversal Serial Bus Controller



Select manufacturer“FTDI”, model“USB Serial Converter”Find the latest driver version. or
Click to install from disk and specify to driver file



Next, wait for the driver installation to be completed



Then, you can see other devices turning into“USB Serial Port”When this appears, there is only one left before success
Step away



Double click this device again



Still isManually search for and install driver software

Note: There may be differences in other systems, please select the second one



Select from the device driver list of the computer

Note: There may be differences in other systems, please select the second one



The type selected this time is“Ports (CON and LPT)



You will find that the manufacturer and version are the same as the one you selected before. Next, complete the installation



Then an additional USB Serial Port is added to the port for normal use