Problems
- Function button not working at all.
- Slow response of function button.
- Sometimes it works and sometimes it doesn’t.
- The very first thing that you need to do is to check whether Function button controller is properly connected with motherboard or not.
- You can check that simply by checking all the corners of the function button controller IC.
- Now the next thing that you need to do is to gently heat your function button controller IC for a few seconds, and this will surely get the job done for you.