htc one sync manager no phone connected windows 7

Remove battery and SIM card, and wait a while, then put them back and reboot.

Reboot phone and connect to PC while in Airplane mode.

Connect Android device to PC directly instead of through USB hub.

Try a new USB cable and another computer.

Here are some small tips that might help and won’t take a long time even if not working. Tip: In case you mistakenly deleted important files, don’t hesitate to try the best data recovery software to get files back from computer, external hard drive, SD card or USB drive (not including mobile phones). Please check following solutions to fix Android USB device not recognized on Windows problem.

Similar symptoms or notifications, like “USB device not recognized”, “PC not recognizing Android phone”, or “USB device not detected but charging”, may occur on different devices. While the result is similar, the causes and solutions may vary from case to case. It is frustrating to find that your Android device is not recognized as USB driver when you want to transfer files between phone and PC or recover data from Android phone.

Htc one sync manager no phone connected windows 7