

Visit our and let us know what you think. Thanks and Regards, Srinivas R Microsoft Support. You may also contact the Prolific USB-to-serial connecter manufacturer and check if the device is compatible with Windows 7 and if you need to install any other drivers to get the device to work. Access the link below to check the compatibility of the device with Windows 7. Which is the Windows Standalone installer you have tried to install? You may first verify if the Prolific USB-to-serial connecter model if its compatible with windows 7. What is the exact error message you receive when you connect the Prolific USB-to-serial connecter to your computer? Were you able to connect the connecter to the computer earlier without any issues? What is the model number of the connecter? Who is the UPS and the computer manufacturer and what is the model number? Is there anything else I can try? Hi Mary, Before we troubleshoot the issue we need more information about the issue. I've attempted to run the Windows Standalone Installer, but it says 'not compatible with your computer.' I have installed, uninstalled and tried to fix several different drivers, run the troubleshooter, etc. However, messages elsewhere says my driver is up to date and the device is working properly. The troubleshooter says it has a driver problem the the troubleshooter cannot fix.

I'm trying to connect a PowerPanel UPS to my new ACER computer with Windows 7 64-bit software via a Prolific USB-to-serial connecter. The troubleshooter says it has a driver problem the the.

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