Tutorial: How to Replace the DC Power Input Jack with Cable in Dell Latitude 14, 15 (Intel UMA Graphics Only) (Latitude 3410 3510) – 7DM5H 07DM5H 450.0KD0C.0021, 450.0KD0C.0031 WISTRON MKB L15 DC-IN CABLE

Tutorial: How to Replace the DC Power Input Jack with Cable in Dell Latitude 14, 15 (Intel UMA Graphics Only) (Latitude 3410 3510) – 7DM5H 07DM5H 450.0KD0C.0021, 450.0KD0C.0031 WISTRON MKB L15 DC-IN CABLE

Here’s a step-by-step tutorial on how to replace the DC power input jack with cable in Dell Latitude 14, 15 (Intel UMA Graphics Only) using compatible part numbers like:

✅Part Number: 7DM5H, 07DM5H
✅Model: WISTRON MKB L15 DC-IN CABLE (UMA), 450.0KD0C.0021, 450.0KD0C.0031, 450.0KD0C.0041

🔧 How to Replace the DC Power Input Jack with Cable in Dell Latitude 14, 15 (Intel UMA Graphics Only) (Latitude 3410 3510)
⚠️ Disclaimer

This repair involves opening your laptop and handling delicate connectors. Proceed carefully, and do not pull on the cables forcefully, as it may damage the motherboard or socket.

🧰 Tools and Materials Needed

Phillips screwdriver (PH0 or PH1)

Plastic spudger or pry tool (optional)

Replacement DC power input jack with cable: 7DM5H 07DM5H 450.0KD0C.0021, 450.0KD0C.0031 WISTRON MKB L15 DC-IN CABLE

Anti-static wrist strap (recommended)

🔌 1. Power Off and Unplug

Shut down the laptop completely.

Disconnect the charger and all external devices.

Hold the power button for 5–10 seconds to discharge any remaining power.

📦 2. Remove the Bottom Cover

Place the laptop upside down on a soft surface.

Remove all screws securing the bottom panel.

Carefully lift off the bottom cover.

🔋 3. Disconnect the Battery

Locate the internal battery connector on the motherboard.

Carefully disconnect it to avoid short-circuits.

⚡ 4. Locate the DC Power Input Jack

The DC power jack is usually found on the side of the laptop where the charger plugs in.

It is attached to the chassis and connected to the motherboard with a cable.

🔌 5. Remove the Old DC Jack with Cable

Trace the DC jack cable to the motherboard.

Gently disconnect the cable connector from the motherboard.

Remove any screws or clips securing the jack in place.

Carefully lift out the old jack with its cable.


🔁 6. Install the New DC Jack with Cable

Place the replacement jack into the same position in the chassis.

Secure it with screws or clips if required.

Connect the new jack’s cable firmly into the motherboard socket.

🧩 7. Reassemble the Laptop

Reconnect the battery.

Reattach the bottom cover and secure it with screws.

⚙️ 8. Test the System

Plug in the charger.

Check if the charging light turns on.

Power on the laptop to confirm the repair was successful.

🎉 Done!

You’ve successfully replaced the DC power input jack with cable in your Dell Latitude 14, 15 (Intel UMA Graphics Only). This repair should resolve charging issues caused by a faulty jack or damaged connection.

 

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