# Keyboard Lenovo 5N21M39999 Backlit for ThinkPad T16 Gen 3

**URL:** https://aio.lv/en/product--lenovo-5n21m39999--11123639
**Data updated:** 2025-12-30 18:22 (EET)
**Category:** Other Repair Parts
**Manufacturer:** Lenovo
**Manufacturer code:** 5N21M39999
**EAN:** 5715063518045
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

The Lenovo 5N21M39999 is a backlit keyboard designed specifically for the ThinkPad T16 Gen 3. It offers enhanced visibility in low-light conditions, ensuring comfortable typing. This spare part is essential for maintaining the functionality of your laptop, providing a reliable and durable solution for your typing needs.

## Long description

The Lenovo 5N21M39999 is a backlit replacement keyboard designed specifically for the ThinkPad T16 Gen 3. It restores full keyboard functionality and improves typing visibility in low-light environments while matching the original fit and layout for this laptop model.
Advantages
This backlit keyboard provides consistent key illumination for work in dim conditions and is manufactured to meet Lenovo specifications for compatibility and durability. As an original-equivalent spare part, it helps maintain the laptop's ergonomic key layout and typing feel while offering long service life.
Suitable for
Replacement of a damaged or non-working ThinkPad T16 Gen 3 keyboard
Upgrading to a backlit keyboard for improved visibility in low light
Repair and refurbishment of Lenovo ThinkPad T16 Gen 3 laptops
Key specifications
Brand: Lenovo
Model / MPN: 5N21M39999
Compatibility: ThinkPad T16 Gen 3
Feature: Backlit keyboard
EAN: 5715063518045
How to use
Power off the laptop and disconnect any power sources before starting replacement. Remove the laptop bottom cover following the manufacturer service instructions, disconnect the old keyboard cable, and install the Lenovo 5N21M39999 keyboard ensuring the connector is seated correctly. Reassemble the laptop and power on to check backlight function and key responsiveness.
Usage recommendations
Handle the keyboard and ribbon cable with care during installation, avoid excessive force on connectors, and follow ESD (electrostatic discharge) precautions. If unsure about disassembly, use an authorized service center to prevent damage and ensure proper installation.

## Specifications

| Feature | Value |
|---|---|
| Type | Keyboard |
| Compatibility | ThinkPad T16 Gen 3 |
| Numeric keypad | Yes |
| Product colour | Black, Multicolour |
| Windows operating systems supported | Y |
| Brand compatibility | Lenovo |
| Keyboard backlit | Yes |
| Connector location | Bottom right |

## FAQ

### What payment options are available?

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### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Lenovo products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Lenovo service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

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