Keyboard Lenovo 5N21M40175 Backlit for ThinkPad T16 Gen 3

The Lenovo 5N21M40175 Backlit keyboard is a replacement keyboard designed for the ThinkPad T16 Gen 3. It provides illuminated keys for improved visibility in low-light environments and restores full typing functionality for compatible laptops. The keyboard is offered in black with multicolour backlighting and is intended as an OEM replacement part.

Advantages

The keyboard features backlit keys for better legibility in dim conditions and is manufactured to match ThinkPad fit and feel. It is a high-quality replacement component with long service life designed to maintain the original keyboard layout and typing experience on the ThinkPad T16 Gen 3.

Suitable for

• ThinkPad T16 Gen 3 laptop repairs
• Replacing a faulty or worn keyboard
• Upgrading to a backlit keyboard for low-light use

Key specifications

• Manufacturer: Lenovo
• Model / MPN: 5N21M40175
• Compatible with: ThinkPad T16 Gen 3
• Colour: Black (multicolour backlighting)
• Type: Backlit laptop replacement keyboard
• EAN: 5715063703984

How to use

Power off the laptop and disconnect any power sources before installing. Remove the existing keyboard following the ThinkPad T16 Gen 3 disassembly instructions, then connect and secure the Lenovo 5N21M40175 keyboard in place. Reassemble the laptop and power it on to verify that the backlight and all keys function correctly.

Recommendations

Handle the keyboard and ribbon cable carefully during installation to avoid damage. Use a static-free workspace and appropriate tools, and consult official Lenovo service documentation or a trained technician if unsure about the replacement process.