If your device is not detected at all by Eclipse ADT then go though the article on Troubleshooting steps when Eclipse ADT does not recognizing your Android device. Sometimes it does happen when your device is detected but is not recognized by your Eclipse ADT. Each Android device has a Development Device ID which is… Continue reading Troubleshooting steps when Android device is detected but not recognized by Eclipse ADT.
Device also does not show up in adb. Try adb devices . It will not show up unless you have enabled USB debugging and installed the right driver. If you have not even enabled Developer option you may want to do it now How to enable developers option in your android device? Before going to… Continue reading Troubleshooting steps when Eclipse ADT does not recognize your Android device.