Please do not submit the same issue more than once within 24 hours. Do everything you can to reduce the effort of the wonderful folks offering to help you.Īfter solving your problem, please mark it as solved by clicking 'flair' and confirming the 'solved' tag. State everything you have tried and all the guides/tutorials/sites you have followed as well as why they were unsuccessful. Try to research your issue before posting, don't be vague. The subreddit is only for support with tech issues. Please include your system specs, such as Windows/Linux/Mac version/build, model numbers, troubleshooting steps, symptoms, etc. Live Chat ~Enter Discord~ Submission Guidelines If you have problem, you can always restart the process from STEP 1.Check out our Knowledge Base, all guides are compiled by our Trusted Techs. PL2303 GL works with this 5.2.1.0 driver in Windows 11. Driver version 3.8.40 does not work, you need to update the driver to an older version. When trying to connect to IS02, the Profile Editor software will show the USB driver version on the Communication Error screen. This driver version 3.8.40 does not work with IS02 in Windows 11. This driver version 3.6.81 works with IS02 in Windows 11. Windows will revert the driver back to the non-working version when any of such USB ports is used. Don’t use those USB ports that have never been updated with the old drivers.Or plug in multiple IS02 devices into all the USB ports to be used with IS02, and update the USB drivers for all those ports.Always use one dedicated USB port on the PC for IS02 devices. To avoid updating the driver again, try to stick with the following guidelines: The driver needs to be updated again in such cases. However, when the IS02 device is plugged into another USB port, the default driver is installed again, and even the default driver is used again on the previous USB port. The updated driver will survive the sleep and restart of the Windows on the same USB port. (make sure the battery is installed for IS02.) Go back to Profile Editor, the software shall be able to communicate with the IS02. If it is a version of 2021, it is still the wrong one. It should be the version of the year 2015, not 2021. You can double click this Prolific USB-To-Serial Comm Port and select Driver to see the version.
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