RINEX 3.02

Why the computer mouse misbehaves when operating GUI?

Purpose: To provide clarity into known driver issue for Windows PC. This is a known issue for Inertial Labs products but unfortunately is at the fault of Windows. However, there is a solution.
Last Updated: October 2019

Some computers can randomly act up when the Windows system detects new data when trying to operate GUI. To address this issue, we explain below how to solve the problem.

Issue: The root cause of this misbehaving mouse issue is that Windows immediately sees some data coming from a USB serial port when the USB is connected because the unit is auto-started. Windows treats this situation (traffic on a newly created serial port) as a serial mouse connected to that port. So, it captures the serial port with a serial mouse driver.

Inertial Labs Troubleshooting - Computer Mouse Misbehaving When Operating GUI - USB-to-RS232/422 converter is connected to the USB port of the PC

Solution: First, the USB-to-RS232/422 converter is connected to the PC’s USB port without the unit being connected to the converter’s opposing end. Then, the converter is connected to the Inertial Labs unit. Then Windows does not see any traffic on the USB device when it has just been plugged in and does not capture the port with the serial mouse driver. Problem solved!

For any additional questions, please email support@inertiallabs.com

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