This is applicable to all the realme devices.
Here you have the ways to connect your device with laptop:
1. First open the computer, right click on the management, device manager, check whether the adb link driver is normal.
2. The phone closes the developer mode, connects to the computer, pulls down the status bar, views the notification center, has the USB transmission option, and clicks on the transfer file.
3. Open developer mode, undo USB debugging, unplug it, connect to the computer again, there will be a prompt box popping up, trust this computer, trust, drop down status bar, view notification center, have USB transmission option, click to transfer file.
On the computer side, it is recommended to install the driver wizard, run in the background and prompt to update the driver.