Lenovo T470 / T480 / A475 / A485 Keyboard Replacement – Complete Technical Guide
At Lansotech Solutions, we are renowned for providing professional Lenovo keyboard replacement services in Nairobi. Whether you own a Lenovo ThinkPad T470, T480, A475, or A485, our certified technicians ensure a precise replacement using genuine Lenovo Field Replaceable Units (FRUs) to maintain the legendary ThinkPad typing experience. Below is a detailed technical procedure that reflects our expertise.
Technical Specifications for These Models
All these ThinkPad models share a similar keyboard assembly design with slight FRU variations depending on region and features (backlit or non‑backlit).
-
Keyboard Type: 6‑row classic ThinkPad chiclet layout with TrackPoint and integrated buttons.
-
Key Travel: Approx. 1.8 mm with scissor‑switch mechanism.
-
Backlight Options: Available in backlit or non‑backlit variants.
-
Interface: Flat Flexible Cable (FFC) with ZIF connectors to system board.
-
Mounting Method: Secured from the underside with screws and retention tabs.
-
Spill Resistance: Multi‑layer membrane for protection.
Common FRU part numbers:
-
T470/T480 backlit: 01HX505, 01HX530
-
T470/T480 non‑backlit: 01HX490, 01HX495
-
A475/A485 series follow similar part numbers, always verify by serial.
Required Tools and Parts
-
Precision screwdrivers: Phillips #0/#00 and Torx T6
-
Plastic prying tools or nylon spudgers
-
Tweezers for ribbon cable handling
-
ESD strap and antistatic mat
-
Magnetic screw tray
-
Genuine Lenovo ThinkPad keyboard FRU for your exact model
Step‑by‑Step Keyboard Replacement Procedure
1. Power Down and Isolate Power
-
Shut down the laptop completely.
-
Unplug all cables and peripherals.
-
Press and hold the power button for 10 seconds.
2. Remove External Battery (if applicable)
-
Slide the latches and remove the removable battery pack.
3. Remove the Bottom Base Assembly
-
Unscrew all Torx T6 screws on the bottom cover.
-
Use a plastic pry tool to carefully release all clips around the edges.
-
Lift off the cover to expose internal components.
4. Disconnect Internal Battery
-
Locate the internal battery connector on the motherboard and unplug it to prevent short circuits during service.
5. Locate Keyboard Screws
-
Identify screws with a keyboard icon embossed on the chassis.
-
Remove these screws completely; they secure the keyboard from underneath.
6. Release the Keyboard
-
Turn the laptop over and open the lid to about 90°.
-
Use a plastic spudger along the top edge of the keyboard (near F1–F12 keys) to gently lift it.
-
Tilt the keyboard toward the palm rest area.
7. Detach Ribbon Cables
-
Locate the main keyboard FFC and TrackPoint FFC.
-
Unlock the ZIF connectors by lifting the locking bar.
-
Gently remove the cables.
8. Install the New Keyboard
-
Align the new Lenovo T470/T480/A475/A485 keyboard into the frame.
-
Insert both ribbon cables into their respective ZIF connectors and secure the locks.
-
Press the keyboard back into place ensuring tabs click in properly.
9. Reassemble the Chassis
-
Reinstall the keyboard screws from the underside.
-
Reconnect the internal battery and refit the bottom cover.
-
Reattach the external battery if applicable.
10. Perform Functional Testing
-
Power on the laptop.
-
Test all alphanumeric keys, function keys, and TrackPoint buttons.
-
Check backlight operation if using a backlit keyboard.
Post‑Service Checks at Lansotech Solutions
Our service process includes:
-
Full key matrix scan to confirm every key’s functionality.
-
TrackPoint calibration and test for accuracy.
-
Mechanical inspection ensuring the keyboard is seated evenly with no flex or protrusion.
Why Trust Lansotech Solutions for ThinkPad Keyboard Replacement
-
OEM parts with warranty ensuring long‑lasting performance.
-
Certified technicians trained on Lenovo hardware maintenance.
-
Fast turnaround with same‑day service options.
-
Comprehensive support for additional components like batteries, screens, or system boards.












ASUS
