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How to update/install driver on Windows 11

Mar 24, 2023

1. Issues 


Below two issues could happen if plug program cable in win11 computer. 


Case one: Appears below screenshot message under item “Ports(COM & LPT)” : 


图片1.png


Solution: Have to uninstall this driver first (check chapter 2 ) 

                 then install new driver (check chapter 3) 


Case two: Appears “USB-Serial Controller” under item “Other devies” 

图片2.png


Solution: Install new driver directly (check chapter 3)


2.Uninstall Driver


2.1 Right click “PL2303TA DO NOT SUPPORT WINDOWS 11 OR LATER,PLEASE CONTACT YOUR SUPPLIER” then select “Uninstall”

图片3.png


2.2 Tick “Delete the driver software for this device”, then click “OK” to uninstall. 

图片4.png


3.Install Driver


3.1 Pull out the program cable, and then re-insert. If appears “USB-Serial Controller” under item “Other devies” as case two, can install new driver as following steps.

图片5.png


3.2 Download below driver file and then decompressing it     

“PL2303D_DCHU_Win11_21H2_v3.9.0.2_20210728_ML_Driver”

 

3.3 Choose any port ,right click to select Update driver

1679638275217042.png


3.4 Click “Browse my computer for driver software”

1679638447589278.png


3.5 Click “Let me pick from a list available drivers on my computer”

1679638576571815.png


3.6 Click“Have Disk…”

1679638628836348.png


3.7 Click“Browse…”,choose document SER2PL_1.inf in decompressed driver file. 

1679638770224108.png


1679638777935090.png


3.8 Click “OK” to install driver

1679638885361742.png

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