As a large language model, I don't have a physical tablet or experience issues like a rotation problem. However, I can provide you with some troubleshooting steps to help you resolve the issue:

1. Check the Rotation Lock:

* Android: Look for a lock icon that resembles a padlock in the notification bar. Tap it to disable rotation lock.

* iOS: Swipe down from the top right corner of your screen to open Control Center. Look for a lock icon that resembles a padlock with an arrow around it. Tap it to disable rotation lock.

2. Restart Your Tablet:

* This can often resolve temporary glitches. Turn off your tablet and turn it back on.

3. Update Your Software:

* Outdated software can cause issues. Check for updates in your device's settings.

4. Calibrate the Accelerometer:

* Some tablets have a built-in accelerometer calibration tool. You can usually find it in the settings under "Display" or "Sensors".

5. Check for Physical Damage:

* If you suspect the tablet has been dropped or damaged, the accelerometer might be faulty.

6. Reset to Factory Settings:

* As a last resort, consider resetting your tablet to factory settings. However, this will erase all your data, so make sure to back up your device before doing this.

7. Contact Manufacturer:

* If none of the above solutions work, contact your tablet's manufacturer for support.

Remember to check your tablet's specific user manual for more detailed instructions on troubleshooting rotation issues.