You need to connect your phone to the computer for some reason, but when you connect, doesn't the computer see your phone? In this article, we will list possible causes and solutions for you. We recommend you to apply it carefully.

When you connect the phone to the computer with a cable, if there is no sound from the phone or the computer or the usb device icon is not displayed in the lower right corner, there may be a problem with the connection or cable. We recommend that you detect and resolve this.
If your phone seems connected to the computer but your phone is not visible on my computer, you may be in charging mode. Then you need to change the charging mode from the phone to file transfer mode.
Your computer's usb device driver may be missing or problematic. Enter the device manager by doing Windows + X and update the USB device driver.
Turn on USB debugging mode on your phone. This will solve some problems and allow you to connect to the computer.,
It is possible to solve the connection errors between the computer and the phone with these 4 methods. If it still did not, explain the situation by commenting on the comments and we will try to help.