I have a pic of the board on hand, I can get a better one if needed if your trying to match the component for repair.. Zoomed in on it and can read the numbers.
Looks like it was for the power supply, could have been something as simple as having the car on a battery charger while laptop was plugged in charging.. https://www.ti.com/lit/ds/symlink/tps21 ... e.com%252F