All IC tells us is that you are looking for an integrated circuit
Here’s how to replace the logic board:
[guide|99397]
+
+
You can get a new logic board here: https://www.walmart.com/ip/5B20H54323-45104812402-Lenovo-G50-G50-80-Intel-Core-I3-4030U-Laptop-Motherboard-8S5B20H54323-Laptop-Motherboards/785657560?wmlspartner=wlpa&selectedSellerId=7860&adid=22222222227260850652&wl0=&wl1=g&wl2=c&wl3=310406267476&wl4=pla-560859863011&wl5=9060552&wl6=&wl7=&wl8=&wl9=pla&wl10=117584434&wl11=online&wl12=785657560&wl13=&veh=sem&gclid=EAIaIQobChMI-qP4lofu4AIVkLjACh1kcAs9EAQYAyABEgJkrfD_BwE