some LED don't work

Because of the sudden and frequent freezes of the laptop I tried to disassemble it, clean the fan and reassemble it. I alsp Now it seems that it does not block anymore, even if it was better to replace the paste on the CPU and GPU, but now the front leds (power-battery-hdd and wifi) and the numeric pad and the capital led are no longer lit and the cam idem: someone has the datasheet and/or still knows what is the connectors I did not connect?