Keyboard Lenovo ThinkPad T16 Gen 3 Backlit 5N21M39976

The Lenovo 5N21M39976 is a replacement backlit keyboard for the ThinkPad T16 Gen 3. It is designed to restore or upgrade the laptop's input interface, improving key visibility in low-light environments while maintaining the layout and feel expected from a ThinkPad keyboard. The part is intended for use with compatible Lenovo laptops and matches the original equipment specifications for fit and function.

Advantages

This backlit keyboard offers improved visibility in dim conditions, consistent key spacing and tactile feedback typical of ThinkPad keyboards, and compatibility with the ThinkPad T16 Gen 3 for straightforward installation. The component is manufactured to meet Lenovo quality standards and is available in black with multicolour backlighting.

Suitable for

• Replacing a damaged or worn keyboard on a ThinkPad T16 Gen 3
• Upgrading a non-backlit keyboard to a backlit model
• Repairing laptops in service or maintenance workflows

Key specifications

• Manufacturer: Lenovo
• Model / MPN: 5N21M39976
• Compatible model: ThinkPad T16 Gen 3
• Feature: Backlit keyboard
• Colour: Black with multicolour backlighting
• EAN: 5715063861325

How to use

Power off the laptop and disconnect any power sources before starting. Remove the laptop's bottom cover following the manufacturer's service manual, disconnect the existing keyboard ribbon cable, and install the replacement keyboard by aligning and securing its connectors. Reassemble the laptop, power it on, and verify keyboard operation and backlight functionality in system settings.

Recommendations

Handle the keyboard and internal connectors with care to avoid static discharge or physical damage. Use only compatible parts for the ThinkPad T16 Gen 3 and follow Lenovo service documentation for disassembly and reassembly procedures.