1. Check whether the keyboard keys are pressed by anything

2. Switch to another computer to see if such a situation occurs

3. Check the keyboard Is it good?

4. Try using a wireless keyboard on your computer to see if there is any problem

5. Check whether there is interference from anything with a strong magnetic field around you

6. Is the driver updated?

7. Consider changing to a wireless keyboard

I hope it will be helpful to you and you will adopt it