
Setup Guide
Initial Setup

Overview

1. Power button
2. Serial connectors (2)
3. USB-C™ (3.2 Gen 2) connector
4. USB 2.0 connector
5. USB 3.2 connector Gen 2
6. Headset connector
7. Power adapter connector
8. DisplayPort® 1.2 out connector
9. USB 3.2 connector Gen 2
10. USB-C (3.2 Gen 2) connector
11. USB 2.0 connector
12. Ethernet connector
13. Security-lock slot
* 14. Wi-Fi® antenna slot
Read the statement on USB transfer rate in the User Guide. Refer to the Safety and Warranty Guide for accessing the User Guide.
Customer Replaceable Units (CRUs)
• Bottom cover
* • DIN rail bracket kit
* • I/O box (for fanless models)
* • Keyboard
• M.2 solid-state drive
* • Mouse
* • Power adapter
* • Power adapter bracket kit
* • Power cord
* • Rear Wi-Fi antenna
* • VESA mount bracket kit
* • Heat sink cover (for fanless
models)
* • Wi-Fi card
Additional information
European Union — compliance with the Radio Equipment Directive
Hereby, Lenovo (Singapore) Pte. Ltd., declares that the radio equipment type ThinkCentre M75n is in compliance with Directive 2014/53/EU.
The full text of the system EU declaration of conformity is available at the following Internet address: https://www.lenovo.com/us/en/compliance/eu-doc
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 | 2400 – 2483.5 | < 20 dBm |
| WLAN 802.11a/n/ac | 5150 – 5725 | < 23 dBm |
| WLAN 802.11a/n/ac | 5725 – 5875 | < 13.98 dBm |
| Bluetooth BR/EDR/LE | 2400 – 2483.5 | < 20 dBm |
Usage of all the radio devices is limited to indoor in the band 5150 MHz to 5350 MHz (channels 36, 40, 44, 48, 52, 56, 60, 64).
* For selected models
More Accessories

https://support.lenovo.com/solutions/nanofeaturevideo

E-manual

https://support.lenovo.com/docs/m75n_1_fan
First Edition (May 2020)
© Copyright Lenovo 2020.
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.
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