This is the LED light circuit board that indicates the system's power, battery, and HDD status, compatible with the Dell Latitude 9510 and 9520 2-in-1 systems.
Compatible Dell Laptops:
Latitude 9510 2-in-1
Latitude 9520 2-in-1
Latitude 9520
Latitude 9510
DPart Number: 40NC1
Part Number's:
LS-H983P
FDB50
Cable:
NBX0002L200