What is the pinhole on the side of the notebook touchpad for?

Hello, thank you for choosing HP products. According to your description, I suggest you refer to the following information: If the "small hole" in your problem description refers to the one on the left side of the touchpad, then this is the touchpad indicator light. Usually, when the touchpad is turned on, the indicator light goes out; When the touchpad is closed, the indicator light is orange. I hope the above reply can help you. If the above information can't solve your problem, you can log on to www.hp.com.cn/chat,, the online chat room of HP Network, and ask an online engineer to help you solve the problem further. More product information is available in www.hp.com.cn/800..