The software usually expects the device on a specific port (typically COM1 through COM8). If the computer assigns a high number like COM24, the update utility may fail to scan it. Conclusion
You connect the DS100E to your vehicle or PC. The green power LED flashes for a second, then turns solid red . The device is no longer recognized by the Delphi software, and Windows shows "USB Device Not Recognized." delphi+ds100e+firmware+update+problem+top