HP Motherboard L21622-601 for EliteBook 840r G4 (Core i7-8550U)

HP Motherboard L21622-601 – Genuine Replacement Board for HP EliteBook 840r G4

This is a genuine, tested HP laptop motherboard, part number L21622-601, built with an onboard Intel Core i7-8550U processor. It is sourced as a working replacement for the HP EliteBook 840r G4, the reinforced/ruggedized variant of the EliteBook 840 G4 business line. Every board is pulled from a working donor unit, cleaned, and bench-tested for power-on, POST, and I/O function before it is listed for sale.

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Key Features & Benefits

• Genuine HP part number L21622-601, matching HP’s own service part listing
• Onboard Intel Core i7-8550U quad-core processor (Kaby Lake Refresh, 8th Gen)
• Bench-tested for boot, display output, USB, and charging before dispatch
• Direct drop-in fit for the HP EliteBook 840r G4 chassis
• No BIOS reprogramming or firmware transfer required in most cases
• Ideal for boards that failed to power on, won’t charge, or show no display

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Compatibility & Fitment

Compatible exclusively with the HP EliteBook 840r G4. Before ordering, check the part number printed on your existing motherboard (usually near the RAM slots or CPU socket) against L21622-601 — HP reused chassis across several sub-revisions of the 840 G4 line with different board part numbers. If you’re not sure, send us a photo of your board or your laptop’s full model/serial number and we’ll confirm fitment before you buy.

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Performance Overview

The Core i7-8550U is a 4-core/8-thread ultra-low-power processor that comfortably handles office productivity, multiple browser tabs, video calls, and light multitasking. It’s a strong choice for restoring a business laptop to daily-driver condition without the display, keyboard, or battery replacement cost of a whole new machine.

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Common Issues This Board Resolves

• Laptop does not power on or shows no LED activity at all
• No display output even with an external monitor connected
• Board damaged by a liquid spill or power surge
• Charging circuit failure — laptop won’t charge on AC power

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Why Replace Instead of Buying New?

If your EliteBook 840r G4’s screen, keyboard, and battery are still in good condition, a motherboard swap is a fraction of the cost of a replacement laptop, and keeps a familiar, already-configured machine in service.

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Frequently Asked Questions

Is this a genuine HP part? Yes — it is a genuine HP board, tested before listing.

Will this fit my laptop? Match the part number L21622-601 printed on your current board, or send us your model/serial number to confirm.

Do I need to reprogram the BIOS? In most cases no — the board is tested working as-is. We’ll advise if your specific unit needs anything extra.

Can I fit my old RAM and storage into this board? Yes, RAM and storage from your old board can typically be transferred across.

Is a warranty included? Yes — warranty included, tested and genuine, available in Kenya.

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Key Specifications

• Part Number: L21622-601
• Processor: Intel Core i7-8550U (onboard)
• Compatible Model: HP EliteBook 840r G4
• Condition: Tested, working

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What’s in the Box

1 x HP laptop motherboard (Part No. L21622-601).

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Why Buy This in Kenya?

• Available in Kenya with fast delivery
• Genuine HP part, tested before sale
• Warranty included
• Best price in Kenya

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Product Summary

The HP Motherboard L21622-601 is a genuine, tested replacement board for the HP EliteBook 840r G4 with an onboard Core i7-8550U processor. Buy in Kenya with warranty and fast delivery.