01ER997 - Lenovo Laptop Sensor Board - Genuine

This Lenovo Laptop Sensor Board (01ER997) is a genuine part for Lenovo laptops. Compatible with Lenovo models, this sensor board plays a crucial role in your laptop's sensing operations. Commonly referred to as the "ET481 LIDB LID SWITCH", it is involved in detecting the laptop's lid position, aiding in functions like sleep mode activation and display on/off. Symptoms that this part may be failing include issues with your laptop not entering sleep mode when the lid is closed or the display not turning off or on appropriately with lid movements. Before purchasing, verify your device's model number to ensure compatibility.

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