Lenovo ThinkPad W540 parts — FRU numbers

Q: Do parts from the ThinkPad T540p or W541 fit the W540?

Partly. The W540 shares its keyboard, display cable and some antennas with the T540p (same Haswell generation) and is nearly a twin of the W541 (the next update of the same line). Match the motherboard and graphics-specific parts strictly by FRU number — despite the similarity, these are separate designs.

Q: Which LCD display cable should I choose for the W540?

The W540 came with a Full HD panel and a rarer 3K (2880x1620) panel - each type has its own cable with a different FRU number (shared with the T540p/W541). An incompatible cable means no image. First determine your display type, then choose an item from the Display, cables and hinges section.

Q: Which keyboard fits the W540?

The W540 shares its keyboard with the whole T540p / W540 / W541 / L540 / T550 / W550s family - choose a variant matching your language layout (e.g. QWERTY US/UK) from the Palmrest, keyboard, touchpad section.

Q: What charger does the W540 use?

The W540 charges with a high-power rectangular (Slim Tip) adapter - usually 170 W, because it is a workstation with dedicated graphics. Do not permanently use a weaker 65 W / 90 W adapter.

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In short: in a Lenovo ThinkPad W540 - a mobile workstation - you can replace virtually every component: keyboard, cables and the display, WiFi/WWAN antennas, cases and electronics. The most reliable way to match the right part is the FRU / Part Number printed on the original component. We confirm model compatibility against the official Lenovo Hardware Maintenance Manual and the laptop's As-Built number, so each part lists verified compatible models and replacement numbers. Below is the full list of W540 parts grouped by component — click to go to the offer.

W540 spare parts — full list with FRU numbers

Original Lenovo parts compatible with the ThinkPad W540. Many chassis and display components are shared with the T540p (same generation, shared keyboard and display cable) and W541 (a twin update of the same line). Click a part to go to the offer.

Frequently asked questions about W540 parts

Do parts from the ThinkPad T540p or W541 fit the W540?

Partly. The W540 shares its keyboard, display cable and some antennas with the T540p (same Haswell generation) and is nearly a twin of the W541 (the next update of the same line). Match the motherboard and graphics-specific parts strictly by FRU number — despite the similarity, these are separate designs.

What battery does the W540 have and which one to choose?

We currently do not stock a main cell for the W540 - ask us if you need one. A CMOS battery backing up the BIOS settings is available (the CMOS batteries section above, if in stock) - choose it by FRU number.

Which LCD display cable should I choose for the W540?

The W540 came with a Full HD panel and a rarer 3K (2880x1620) panel - each type has its own cable with a different FRU number (shared with the T540p/W541). An incompatible cable means no image. First determine your display type, then choose an item from the Display, cables and hinges section.

Which keyboard fits the W540?

The W540 shares its keyboard with the whole T540p / W540 / W541 / L540 / T550 / W550s family - choose a variant matching your language layout (e.g. QWERTY US/UK) from the Palmrest, keyboard, touchpad section.

Which motherboard fits the W540?

The W540 is a workstation with Intel 4th generation processors (Haswell) and a dedicated NVIDIA Quadro card (K1100M / K2100M). The motherboard is matched strictly by FRU number - check the marking of your current board or give us your configuration.

What charger does the W540 use?

The W540 charges with a high-power rectangular (Slim Tip) adapter - usually 170 W, because it is a workstation with dedicated graphics. Do not permanently use a weaker 65 W / 90 W adapter.

How do I check the FRU number of a W540 part?

The FRU number (Part Number) is printed on the component itself - on the keyboard, cable or board. It is the most reliable way to choose. We described how to read it in our guide How to read a Lenovo FRU number.

Which W540 parts are replaced most often?

The most frequently replaced are the keyboard, the display cable, the WiFi/WWAN antennas and the optical drive / caddy adapter. You will find all these items in the list above with their FRU numbers.

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W540 spare parts — full list with FRU numbers

CMOS batteries (BIOS backup)

Palmrest, keyboard, touchpad

Display, cables and hinges

Cases and bezels

Motherboard and electronics

Docks and power

Other small parts