This step-by-step guide shows how to replace the LCD back cover in your Lenovo ThinkBook 15 G2 ARE and similar models. Set aside some time, work on a clean surface and check the part number first.
✅ View the replacement part: 5CB1B34808, 5CB1B34809, 5CB1H88666
Symptoms that point to this part
- The lid is cracked or dented
- The hinge mounts broke out of the cover
- The screen does not sit firmly in the lid
Compatible models
- Lenovo ThinkBook 15 G2 ARE Type 20VG
- Lenovo ThinkBook 15 G2 ITL Type 20VE
- Lenovo ThinkBook 15 G3 ACL Type 21A4
- Lenovo ThinkBook 15 G3 ITL Type 21A5
- Lenovo ThinkBook 15 G4 IAP Type 21DJ
- Lenovo ThinkBook 15 G4 ABA Type 21DL
- Lenovo ThinkBook 15 G5 IRL Type 21JD
- Lenovo ThinkBook 15 G5 ABP Type 21JF
Part number: 5CB1B34808 5CB1B34809 5CB1H88666 5CB1H88667 5CB1H88668
Laptops with the same model name can have different internal versions. Compare the part number and connector on your old part with the product photos before ordering.
⚠️ Before you start
This repair involves opening your laptop and may void any remaining manufacturer warranty. Screw positions and access differ between versions, so follow your model's service manual where it differs from this guide. Proceed only if you are comfortable working with static-sensitive electronics.
🧰 Tools and materials
- Phillips screwdriver (PH0 or PH1)
- Plastic spudger or opening pick
- Soft cloth to protect the panel
- Replacement LCD back cover: 5CB1B34808, 5CB1B34809, 5CB1H88666
- Anti-static wrist strap (recommended)
🔌 1. Power off and unplug
- Shut the laptop down completely.
- Disconnect the charger and all connected devices.
- Hold the power button for a few seconds to discharge remaining power.
📦 2. Remove the bottom cover
- Place the laptop upside down on a soft surface.
- Remove all screws from the bottom panel. Some may be hidden under rubber feet.
- Release the cover carefully with a plastic tool.
🔧 3. Disconnect the battery
- Unplug the battery connector from the motherboard.
🔧 4. Take the display apart
- Remove the screen bezel carefully with a plastic tool.
- Remove the panel screws and lay the panel on a soft cloth.
- Disconnect the display from the base as required by your model.
🔧 5. Move the parts to the new cover
- Transfer the hinges, video cable, webcam and antennas, noting how each is routed.
- Do not pinch any cable when closing the assembly.
🔧 6. Reassemble the display
- Fit the panel and bezel to the new cover and reconnect everything.
🧩 7. Reassemble the laptop
- Fit the bottom cover back and tighten all screws.
- Reconnect anything you removed.
⚙️ 8. Test the repair
- Connect the charger and power on the laptop.
- Open and close the lid several times and check the image, webcam and Wi-Fi.
Frequently asked questions
How do I know this part fits my laptop?
Match the part number printed on your old part and compare the product photos. The model name alone is not always enough.
🎉 Done!
Your Lenovo ThinkBook 15 G2 ARE and similar models should be working properly again. Need the part? Order the LCD back cover here. It comes with a 6-month warranty.