In order to fix the issue, try rebooting your old ECG device. If this doesn't fix it, press Windows + R key combination, type devmgmt.msc and open the utility. Locate your device driver, right-click on its icon and uninstall it. Reboot the computer, connect the ECG unit, press Scan for hardware changes icon from Device Manager and reinstall the drivers. Also, try uninstalling and reinstalling the Keep-it-Easy System program. If you still have problems, you will need to contact the developers and request a version of the software compatible with your unit.