How to Find Your Laptop Keyboard Part Number

Why the model name alone is not enough

One laptop model is usually sold in many configurations. The same model name can cover keyboards with different language layouts (US, UK, German, Korean and more), with or without backlight, in different colours, and sometimes with a different ribbon-cable position. Two keyboards that both "fit a ProBook 450" can therefore be different parts - and only one of them will match your machine.

The part number removes the guesswork. It identifies the exact keyboard variant the manufacturer fitted, so a replacement with the same number matches in layout, backlight, connector and mounting. That is why our product pages ask you to cross-check the part number on your old unit whenever one is printed.

What a part number looks like

On the label it is usually marked P/N, FRU, DP/N, CP or Model No., depending on the brand. Typical formats:

• HP: six digits, a dash, three digits - for example 814342-001
• Lenovo: an alphanumeric FRU / part code - for example 5CB0Z69144
• Fujitsu: a code starting with CP - for example CP767116-01
• Dell: a short DP/N code starting with 0, printed after "DP/N" on the label

Ignore barcodes and serial numbers of the whole laptop for this purpose - you want the number printed on the keyboard's own label. If the label shows several numbers, photograph all of them; we can identify the right one from the photo.

Method 1: read the label on the keyboard

The part number is printed on a label on the underside of the keyboard. How much opening-up this takes depends on the design:

• Top-mounted keyboards (many older and business models): the keyboard lifts out after releasing clips or a few screws under the bottom cover - the label is then visible without removing anything else.
• Palmrest-integrated keyboards (most slim models): the keyboard is part of the top case. The bottom cover comes off and the label can often be seen from inside, next to the ribbon cable.

Work with the power off and the charger unplugged, and take a clear photo of the label before you disconnect anything. The photo is also your reference for how the ribbon cable was routed.

Method 2: identify it without opening the laptop

If you would rather not open the machine before ordering, combine these two checks:

• Exact model: read the full model from the sticker on the bottom cover, or in Windows under Settings → System → About / msinfo32. Search that exact model on our homepage - it returns only the parts listed for it.
• Serial number lookup: most manufacturers let you enter the laptop's serial number on their support site and see the original parts list, which includes the keyboard part number fitted at the factory.

Then confirm the four physical details below against the listing's photos before you order.

Four things to check besides the number

• Layout and Enter key: a tall, inverted-L Enter key means a UK/European layout; a wide, flat Enter key means a US layout. The symbols printed on the number row differ by language too.
• Backlight: if your keys light up, the replacement must be a backlit version - the connector and cable differ.
• Ribbon connector: compare the cable's position and width with the listing photos; this is the most common reason a "same model" keyboard does not fit.
• Colour and frame: some keyboards are supplied as a bare unit, others already fitted in the palmrest (top case). Order the form your machine needs.

Still not sure? Send us photos

Email us via the contact page with three photos: the label on the old keyboard, the full keyboard from above, and a close-up of the ribbon connector. Tell us the laptop's exact model as well. We confirm which part fits before you order - it is quicker than a return for either of us.

Ready to look? Search by model or part number, or browse all parts by brand.