# Monitor interface board for Dell U4919DW — replacement main board (MPN W125974130)

**URL:** https://aio.lv/en/product--dell-w125974130--12102319
**Data updated:** 2026-03-17 20:27 (EET)
**Category:** Printer & Copier Parts
**Manufacturer:** Dell
**Manufacturer code:** W125974130
**EAN:** 5704174561903
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 111.99 €
**Prices and availability valid until:** 2026-07-30 23:59
**Price without VAT (21%):** 92.55 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dell-w125974130--12102319

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 22.07.2026 | free |
| Pickup points | 27.07.2026 | 1.89 EUR |
| Courier delivery to door | 27.07.2026 | 4.99 EUR |

## Summary description

Replacement monitor interface board designed for the Dell U4919DW ultra-wide monitor. This main/interface board (MPN W125974130) handles signal input and on-screen control interfaces, enabling video connectivity and display functions. Suitable for repair or refurbishment of compatible U4919DW units to restore functionality of ports and controls.

## Long description

Replacement monitor interface board designed for the Dell U4919DW ultra‑wide monitor. This main board restores signal input handling, on‑screen control operation and connectivity functions for compatible U4919DW units. It is intended for use in repair and refurbishment to recover video signal routing and front‑panel interaction without replacing the entire display assembly.
Advantages
The interface board provides direct replacement of the original signal and control electronics, enabling restoration of HDMI, DisplayPort and USB‑related input handling when those circuits fail. Using a compatible main board reduces repair time and cost by avoiding full monitor replacement while preserving the factory image processing and feature set. The board is designed to match pinouts and mounting points of the original Dell U4919DW interface board to simplify installation.
Suitable for
 Repairing a Dell U4919DW with malfunctioning input ports or on‑screen controls
 Refurbishment projects to return U4919DW monitors to working condition
 Technicians replacing a defective main/interface board while retaining the original panel and power supply
Key specifications
 Function: monitor main/interface board handling video signal input and OSD control
 Compatibility: compatible with Dell U4919DW monitor models
 Connectivity support: handles DisplayPort and HDMI input signal routing and associated control interfaces
 Form factor: designed to match original board mounting points and connector locations for direct replacement
 Electrical: interfaces with the monitor’s existing power supply and panel signaling circuitry
How to use
Install the replacement board by powering off and unplugging the monitor, removing the back cover and disconnecting cables from the existing main board. Transfer any required cables and brackets from the old board to the replacement, align the board with the original mounting points and secure it using the original fasteners. Reconnect display, USB and control cabling, reassemble the monitor housing and power on the unit to verify signal input and on‑screen menu operation. Follow static safety procedures and consult service documentation for torque and connector details.
Usage recommendations
Use this board only in compatible Dell U4919DW units. Verify board revision and connector compatibility with the specific monitor serial configuration before installation. If uncertain, consult the monitor’s service manual or a qualified technician to ensure correct fitment and avoid damage to panel or power components.

## FAQ

### How much does the Monitor interface board Dell U4919DW cost, and is it available for purchase?

The price is 111.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 9 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 22.07.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can Monitor interface board Dell U4919DW be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 Dell 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 Dell 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/12102319/67634036_large.webp