If your computer is installed with the latest "Samsung Kies" and the "USB debugging" is turned off, you still cannot connect to the computer, follow these steps:
1. In the computer, we first open the "Samsung kies" software.
2. Then in the Samsung Kies interface we click on "Tools" as shown in the figure.
3. In the tool interface we will see that there is a "Resolve Connection failure" button click.
4. We now open the phone and the computer, unplug the mobile phone data cable.
5. Now after the operation, click "Start" Detection.
6. After the detection is complete, we click the "Finish" button.
7. Now try to use the data cable to connect with the computer to see if it solves your problem.
Cloud Habitat Community Small series reminds you, if you still can't connect the phone with the computer after this operation, we can try to change the data cable, change the computer or see whether the computer firewall is turned on, if it is the XP system, we also need to put the system "Windows Media Player" must upgrade to 11 or 11.