Getting ADB root working on your OnePlus Ace 2V after successfully installing KernelSU can sometimes be a bit tricky. While you can successfully switch to root using `adb shell su`, `adb root` might not work as expected. Here's a breakdown of why this might be happening and how to troubleshoot it:

**Understanding the Challenge**

KernelSU is a method for gaining root access on your device, and it typically operates by loading a modified kernel. However, ADB root relies on a different mechanism that needs to be explicitly enabled on the device.

**Steps for Fixing ADB Root**

1. **Check Root Access:** Ensure genuine root access by running `ls -l /system/bin/su` in your ADB shell. You should see the `su` file with appropriate permissions.
2. **Check USB Debugging:** Verify that USB debugging is toggled on in your device's Developer options. This is essential for ADB communication.
3. **Restart Device:** Simple as it sounds, a reboot often resolves minor ADB connectivity issues.
4. **Correct Device Connection:** Disconnect and reconnect your USB cable to ensure a stable and reliable connection between your device and computer. Try different USB ports as well.
5. **Update Drivers:** Make sure you have the latest drivers for your OnePlus Ace 2V installed on your computer. Outdated drivers can sometimes cause ADB issues.

**Need More Help?**

If these steps don't resolve the problem, further investigation might be required. Provide the following details in your next request for assistance:

* The complete output of `adb devices`.
* Your device's Android version.
* The version of KernelSU you installed.
* Any error messages you encounter during the `adb root` process.

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