# Keyboard Lenovo B5400 B5400A with frame KB312771 — laptop replacement keyboard for Lenovo B5400 series

**URL:** https://aio.lv/en/product--lenovo-kb312771--4113019
**Data updated:** 2025-12-29 15:39 (EET)
**Category:** Replacement Keyboards
**Manufacturer:** Lenovo
**Manufacturer code:** KB312771
**EAN:** 9990000312771
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 27.99 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 23.13 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lenovo-kb312771--4113019

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.89 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

Replacement laptop keyboard Lenovo B5400 B5400A with frame (MPN KB312771). Designed as a direct replacement for compatible Lenovo B5400 series notebooks, it includes the mounting frame for straightforward installation. Suited for repairing or refurbishing devices, it restores full keyboard functionality and original layout without extra adapters or modifications.

## Long description

Replacement laptop keyboard for Lenovo B5400 and B5400A models, delivered with the mounting frame. This keyboard (MPN KB312771) is designed as a direct OEM-style replacement to restore full keyboard functionality and the original US layout without the need for adapters or modifications. The product is black and intended for use in compatible Lenovo B5400 series notebooks; the list of compatible models may be incomplete.
Advantages
The keyboard includes the mounting frame for easier installation and aligns with the original key layout to preserve typing feel and functionality. It uses the US layout and comes in a black finish. A six-month warranty covers manufacturing defects.
Suitable for
Repairing Lenovo B5400 and B5400A notebooks
Refurbishment of laptops in the Lenovo B5400 series
Replacing a damaged, worn or non-functional keyboard
Key specifications
Brand: Lenovo
Manufacturer Part Number (MPN): KB312771
Compatible models: Lenovo B5400, B5400A (list may be incomplete)
Layout: US
Color: Black
Includes: Keyboard with mounting frame
Warranty: 6 months
EAN: 9990000312771
How to use
Power off the notebook and remove the battery if possible before beginning. Remove the damaged keyboard and detach any connectors carefully. Position the replacement keyboard with the included frame, reconnect the ribbon cable securely, and reinstall mounting screws or clips. Reinsert the battery and power on the laptop to verify that all keys and functions work correctly.
Usage recommendations
Before installation, compare the part numbers and physical shape with the original keyboard to ensure compatibility. Handle the ribbon cable and connectors gently to avoid damage. If unsure, seek assistance from a qualified technician.

## FAQ

### How much does the Lenovo B5400 B5400A keyboard with frame KB312771 cost, and is it available for purchase?

The price is 27.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 02.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### 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

https://aio.lv/img/cache/product/4113019/10509472_large.webp