Lenovo ThinkBook K4 Setup Guide

Summary

Designed for professionals who require robust reliability, the ThinkBook K4 delivers advanced connectivity through Thunderbolt 4, HDMI, and dedicated Ethernet ports, alongside features like a fingerprint reader and ambient light sensor. This comprehensive manual serves as your essential guide, detailing operational functions, keyboard shortcuts, port usage, and safety protocols. It covers everything from initial setup to maintenance best practices, ensuring you utilize all advanced capabilities—including the always-on USB port—while remaining compliant with necessary safety and environmental standards.

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Lenovo Think Book K4

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Page 1 Lenovo Think Book K4

Page 2 开始使用 Get it started 特定型号可能配有墙插式交流电源适配器。产品插图可能与实际产品有所差异。 I Selected models may come with a wall-mounted ac power adapter. Product illustrations may not be exactly the same as the actual product. 适用于特定型...

Page 3 概述 Overview 摄像头盖环境光线传感器（ALS）* Camera cover Ambient light sensor (ALS)* To F 传感器麦克风 To F sensor* Microphones Touchpad Power button 特定型号的电源按钮包含嵌入式指纹读取器。环境光线传感器和 To F 传感器在部分型号上未提供。 I The power button f...

Page 4 隐藏式 USB 2.0 端口 Hidden USB 2.0 port micro SD 卡插槽 micro SD card slot USB 3.2 Gen 1 端口 USB 3.2 Gen 1 port 有线以太网端口 Wired Ethernet port * Kensington 安全锁插槽 Kensington security slot 隐藏式 USB 端口专为连接无线设备的 nano ...

Page 5 组合音频插孔 Combo audio jack Thunderbolt TM 4 端口 Thunderbolt TM 4 port HDMITM 端口 HDMITM port USB 3.2 Gen 1 端口（Always-on） USB 3.2 Gen 1 port (always-on) 电源接口（USB Type-C®） Power (USB Type-C®) connector 请阅读《用...

Page 6 Fn 快捷方式 Fn shortcuts 切换 F1–F12、Insert 和 Prt Sc 键的主要功能 Switches the primary function for keys F1–F12, Insert, and Prt Sc 在不同的操作模式间切换 Switches among different operation modes Fn + 控制键盘背光 Controls the ke...

Page 7 热键 Hotkey 快速访问 Lenovo 应用程序和服务 Quick access to Lenovo apps and services 打开 Windows 设置应用程序 Opens the Settings app of Windows 接听结束 Microsoft Teams 通话 Answers/ends a Microsoft Teams call

Page 8 危险：使用二氧化锰纽扣锂电池的产品可能含有高氯酸盐。 Lenovo 提供的用于产品的电池已经过兼容性测试，并应该仅用核准的部件进行更换。非 Lenovo 高氯酸盐材料 - 可能需要采取特殊的处理方法，请参阅指定的电池或经过拆卸或改装的电池不在保修范围之内。 https://www.dtsc.ca.gov/hazardouswaste/perchlorate 请勿挤压或刺穿电池。装有激光产品（...

Page 9 合规性信息部件名称 (Pb) (Hg) (Cd) (Cr(VI)) (PBB) (PBDE) 本节提供特定国家或地区的合规性信息。最新版本的合规性信息位于印刷电路板组件 https://www.lenovo.com/compliance 。硬盘光驱 LCD 面板本节提供特定国家或地区的回收与环境信息。 ( LED 背光源注：当产品无任何外接输入电源相连时，才能实现零能耗键盘 Leno...

Page 10 For Barcode Position Only PN: SP41H66686 Lenovo 和 Lenovo 徽标是联想的商标。Thunderbolt 是 Intel Corporation 或其子公司的商标。HDMI、第一版（2022 年 3 月） HDMI 高清晰度多媒体接口以及 HDMI 标志是 HDMI Licensing Administrator, Inc. 在美国和其他国家 ©...

Manual Details

Brand	Lenovo
Pages	10
File Size	1.54 MB
Published	June 05, 2026

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Frequently Asked Questions

What should I do if my battery is damaged?

Do not open, dismantle, or repair the battery. If damaged, stop using it immediately.

How can I optimize battery longevity?

Store rechargeable batteries at room temperature and charge them to about 30% to 50% annually to prevent over-discharge.

What is special about the hidden USB port?

The hidden USB 2.0 port is designed specifically for connecting nano receivers for wireless devices.

Which models provide an embedded fingerprint reader?

The power button on selected models includes an embedded fingerprint reader.

How do I troubleshoot using Always-on USB ports?

Always-on USB ports support power output even when the device is in sleep or powered-off state.