The port will then disappear, and your phone will display its charging animation. This indicates a perfectly successful installation, ready for flashing utilities. Troubleshooting Common Connection Issues
Upon reboot, a list of options will appear. Press or F7 on your keyboard to select Disable driver signature enforcement . how to install mtk driver mediatek preloader usb vcom
Right-click the Start menu and select Device Manager . The port will then disappear, and your phone
If you see the device with a yellow exclamation mark, it means Windows recognized it but has a problem with the driver. Right-click on it, select , and point it manually to the folder with your .inf file to re-install. The port will then disappear