UniqueThe keyboard is without backlit!!! Not compatible with Lenovo E545. Compatible for IBM Lenovo ThinkPad Edge E531 E540 W540 W541 W550 W550S T540 T540P T550 L540 series laptop.
Compatible ModelsCompatible with IBM Lenovo ThinkPad Edge E531 W540 W541 W550 W550S T540 T540P T550 L570 P50S
Compatible part numbers0C45254 04Y2465 0C45030 0C44991 0C45217 0C45286 04Y2378 04Y2387 04Y2456 04Y2465 04Y2652 04Y2682 04Y2689 04Y2719 04Y2721 SG-59500-XUA 04Y2652 0C45217 0C44913 04Y2348 41V563 KM-105 GT-105US MP-12R23US-G62W.
Solution of keys don't workIf some keys don't work after install ,You can try to reconnect the ribbon cable in case bad connected ,pls use a dry cloth to wipe metal head of the connect ribbon,then try to connect about few times,many customer solve this problem after did this.