# Cooling assembly Dell 5420 UMA with fan, OEM replacement (MPN: HX40M)

**URL:** https://aio.lv/en/product--dell-hx40m--4334940
**Data updated:** 2026-02-17 10:59 (EET)
**Category:** Other Repair Parts
**Manufacturer:** Dell
**Manufacturer code:** HX40M
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 47.49 €
**Prices and availability valid until:** 2026-08-01 23:59
**Price without VAT (21%):** 39.25 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dell-hx40m--4334940

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

Replacement cooling assembly for Dell 5420 UMA laptops, including integrated fan. Designed to cool the UMA configuration of the system, this OEM-compatible unit (MPN HX40M) helps maintain optimal operating temperatures, prevent thermal throttling and ensure stable performance during everyday use and demanding tasks. Intended for repair or maintenance of compatible Dell 5420 UMA systems.

## Long description

Replacement cooling assembly for Dell 5420 UMA laptops with an integrated fan. This OEM-compatible cooling module is designed specifically for the UMA configuration of the Dell 5420 to manage heat generated by the processor and other internal components. It helps maintain stable operating temperatures, reduce the risk of thermal throttling and support consistent performance during everyday and high-load tasks. The unit is intended for repair or maintenance of compatible Dell 5420 UMA systems and matches mounting points and airflow direction required by the laptop’s chassis.
Advantages
This cooling assembly includes a built-in fan and heat-dissipation pathways engineered for the Dell 5420 UMA layout, providing targeted cooling where thermal load is concentrated. It is supplied as an OEM-compatible replacement to ensure proper fit and reliable mechanical and thermal contact with the CPU and surrounding components. The integrated fan helps remove hot air efficiently while the assembly’s design supports stable system temperatures under sustained workloads.
Suitable for
 Repairing or replacing a faulty or noisy cooling fan in a Dell 5420 UMA laptop
 Restoring thermal performance after overheating or thermal throttling
 Routine maintenance or refurbishment of Dell 5420 UMA units
 Technical service operations where original-fit cooling components are required
Key specifications
 Compatibility: Designed for Dell 5420 UMA laptop thermal layout
 Includes: Complete cooling assembly with integrated fan and heat sink pathways
 Function: Active cooling for CPU and adjacent components in UMA configuration
 Mounting: Matches factory mounting points and airflow orientation for Dell 5420 UMA chassis
 Material: Metal heat spreader/heat sink and plastic fan housing (OEM-compatible construction)
How to use
Power down the laptop, disconnect power and remove the battery if removable. Open the service cover or bottom chassis according to Dell’s disassembly instructions for the 5420 model. Disconnect the fan cable from the motherboard and remove mounting screws that secure the old cooling assembly. Install the replacement cooling assembly by aligning it with the mounting points, fastening screws to the specified torque if available, and reconnecting the fan cable. Reassemble the chassis and perform a test boot to confirm fan operation and normal thermal behavior. If thermal paste is used between the CPU and heat spreader, clean old compound and apply a thin, even layer of new thermal paste during reinstallation.
Usage recommendations
Use only with compatible Dell 5420 UMA systems and follow manufacturer service guidelines. Ensure thermal interfaces are clean and correctly applied, and verify fan connector seating before final assembly. If you are not experienced with laptop disassembly, consider professional installation to avoid damage to internal components.

## FAQ

### How much does the Cooling assembly Dell 5420 UMA with fan cost, and is it available for purchase?

The price is 47.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 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 16.07.2026 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. 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 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/4334940/66003926_large.webp