Lenovo ThinkBook 14 Gen 4+ ThinkBook 16 Gen 4+ User Guide
- June 3, 2024
- Lenovo
Table of Contents
Lenovo ThinkBook 14 Gen 4+ ThinkBook 16 Gen 4+
Get it started
Selected models may come with a wall-mounted ac power adapter. Power plugs vary by country or region. Product illustrations may not be exactly the same as the actual product.
Overview
- Camera cover
- Microphones
- IR LED*
- Ambient light sensor (ALS)*
- ToF sensor*
- Power button
The power button for selected models includes an embedded fingerprint reader. The ambient light sensor and the ToF sensor are not available on all models.
- Hidden USB 2.0 port
- SD/microSD card slot
- USB 3.2 Gen 1 port
- Wired Ethernet port*
- Kensington security slot
The hidden USB port is designed for connecting nano receivers for wireless
devices. The 14-inch models feature a microSD card slot while the 16-inch
models an SD card slot.
- Combo audio jack
- ThunderboltTM 4/Multi-function USB port
- HDMITM port
- USB 3.2 Gen 1 port (always-on)
- Power (USB Type-C®) connector
Scan the User Guide QR code and read the statement on USB transfer rates.
Always-on USB port supports power output in sleep or powered-off state
.
Fn shortcuts
Switches the primary function for keys F1–F12, Insert, and PrtSc
Switches among different operation modes
Controls the keyboard backlight
Enables/disables the touchpad
For selected models, you may need to connect to the Internet and complete
system update for Fn + M shortcut function to take effect.
Hotkey
Quick access to Lenovo apps and services
Quick access to Lenovo Help and Support
Answers/ends a Microsoft Teams call
Specific absorption rate (SAR)
| Item | Body-worn SAR | Limb SAR |
|---|---|---|
| 10g SAR limit | 2 W/kg | 4 W/kg |
| 0.214 W/kg (ThinkBook 14 G4+ IAP, | ||
| Maximum SAR with 0 mm separation distance | 0.214 W/kg | ThinkBook 14 G4+ ARA) |
0.239 W/kg (ThinkBook 16 G4+ IAP)
| | 0.256 W/kg (ThinkBook 16 G4+ ARA)
For more information about SAR, refer to the Safety and Warranty Guide that came with your device.
European Union (EU)/United Kingdom (UK)—radio frequency and power
This radio equipment operates with the following frequency bands and maximum
radio frequency power.
Technology| Frequency band [MHz]| Maximum transmit
power
---|---|---
WLAN 802.11b/g/n/ax| 2400–2483.5| < 20 dBm
WLAN 802.11a/n/ac/ax| 5150–5725| < 23 dBm
WLAN 802.11a/n/ac/ax| 5725–5875| < 13.98 dBm
WLAN 802.11ax| 5945–6425| < 23 dBm
Bluetooth BR/EDR/LE| 2400–2483.5| < 20 dBm
Note: Not all wireless bands may be enabled depending on your product
configuration. Usage of this device is limited to indoor locations in the
bands 5150–5350 MHz and 5945–6425 MHz.
For Barcode Position Only
Printed in China
PN: SP41J35216
Lenovo and the Lenovo logo are trademarks of Lenovo. Thunderbolt is a
trademark of Intel Corporation or its subsidiaries. The terms HDMI and HDMI
High-Definition Multimedia Interface, and the HDMI logo are trademarks or
registered trademarks of HDMI Licensing Administrator, Inc. in the United
States and other countries. USB Type-C is a registered trademark of USB
Implementers Forum. All other trademarks are the property of their respective
owners.
LIMITED AND RESTRICTED RIGHTS NOTICE:
If data or software is delivered pursuant to a General Services Administration
“GSA” contract, use, reproduction, or disclosure is subject to restrictions
set forth in Contract No. GS-35F-05925.
First Edition (March 2022)
© Copyright Lenovo 2022.