HP ProBook 4330, 4330s, 4331s, 4430s, 4431s, 4435s, 4436s Keyboard Replacement – Genuine US Layout Black P/N 638178‑001

At Lansotech Solutions, we specialize in high‑quality HP keyboard replacements and proudly serve as Nairobi’s leading laptop repair center. If you are experiencing broken, sticky, or unresponsive keys on your HP ProBook 4330, 4330s, 4331s, 4430s, 4431s, 4435s, or 4436s, we offer genuine US Layout Black keyboards (Part Number 638178‑001) with fast professional installation.

Why Choose a Genuine HP ProBook Keyboard Replacement

A faulty keyboard slows down your workflow and affects your efficiency. By replacing it with a brand‑new HP original keyboard, you get:

• Accurate and reliable keystrokes for every task

• Durable keycaps engineered for long‑term use

• Comfortable keyboard travel ideal for developers, writers, and professionals who type for hours

• A perfect fit and ribbon connector designed for your exact HP model

Compatible HP ProBook Models

We supply and install P/N 638178‑001 US layout keyboards compatible with the following:

• HP ProBook 4330

• HP ProBook 4330s

• HP ProBook 4331s

• HP ProBook 4430s

• HP ProBook 4431s

• HP ProBook 4435s

• HP ProBook 4436s

Each replacement is black in color, QWERTY US layout, and meets HP’s strict manufacturing standards for quality and longevity.

Step‑By‑Step Professional Installation

1. Diagnosis and Preparation

Our technicians test your laptop thoroughly to ensure the keyboard is the source of the problem.

2. Safe Disassembly

We power down your laptop, remove the battery, and carefully disassemble the unit with precision tools.

3. Removing the Faulty Keyboard

The old keyboard is detached from the ribbon connector and screw mounts without disturbing internal components.

4. Installing the New Keyboard

We install a genuine HP ProBook keyboard (P/N 638178‑001), aligning it perfectly and securing it firmly for a reliable fit.

5. Final Testing

Every single key is tested—letters, numbers, function keys, and special keys—before handing the laptop back to you.

Why Nairobi Trusts Lansotech Solutions

✅ HP‑Certified Technicians with deep repair expertise
✅ Original Replacement Parts direct from trusted suppliers
✅ Same‑Day Keyboard Replacement for most ProBook models
✅ Transparent and Affordable Pricing
✅ Warranty on Parts and Labor for total peace of mind

Maintenance Tips for Your New Keyboard

• Keep your keyboard clean and dust‑free with regular light cleaning.

• Use a keyboard cover to protect against spills and debris.

• Avoid eating or drinking near your laptop.

• Type gently to extend the life of the key mechanisms.

Upgrade Your Typing Experience Today

If you own an HP ProBook 4330, 4330s, 4331s, 4430s, 4431s, 4435s, or 4436s and your keyboard is failing, visit Lansotech Solutions in Nairobi for a fast, professional keyboard replacement. Experience the smooth, precise, and comfortable keyboard that developers and power users appreciate every day.