If the computer's typing is always unstable, try the following methods: 1. Check the keyboard layout to make sure the keys on the keyboard are arranged correctly. If the keyboard layout was not correct, the typing would be unstable. 2 Check the keyboard driver to make sure it's working. If the keyboard driver was not perfect, typing would also be unstable. 3. Check the computer operating system to ensure that it is working properly. If the operating system malfunctioned, the typing would also become unstable. 4. Check the typing software on the computer to ensure that it is working properly. If the typing software malfunctioned, the typing would also become unstable. 5. Check the typing hardware of the computer to ensure that it is working properly. If the keyboard or mouse malfunctioned, the typing would also become unstable. If the above methods cannot solve the problem, it is recommended to seek professional technical support.