This is a page about Frequently Asked Questions of Android Data Backup & Restore:

The program keeps asking to enable USB debugging and fails to connect my phone to the program. What can I do?

As for your case, please do as following steps to fix it:

1. Please make sure you download the latest version of the program, which can be downloaded from https://www.android-recovery.net/android-data-recovery.html

2. Please keep your device powered on and USB debugging enabled

3. Connect your device to computer via USB cable, then drag down the dropdown menu and choose "MTP" mode For LG devices, they can be recommended to connect under Camera (PTP) / Send images (PTP) mode ONLY.

4. Make sure the right driver installed in your computer. Here is a link to find the right driver of your device:https://developer.android.com/studio/run/oem-usb.html

5. If your device has been inserted with SD card, you can scan the card only with card reader to scan the lost media files.