The keyboard is broken:There might also be a chance that your keyboard/typ cover is broken.

This could break communication between the two modules.

Keyboard/keypad connectors:The connectors (where the keyboard connects to the surface) may have dust or material between the contacts.

If it's not up to date, your keyboard won't work. Surface Pro has an additional driver to provide keyboard support (type covers).

Surface Keyboard Cover Filter Device Driver:Windows uses drivers for all the hardware components that it uses.Running the update again might resolve the issue. Firmware not updated:If you have updated your Windows without connecting the keyboard, the keyboard firmware will not be updated.Simply turning it on and off correctly fixes the problems.

Surface in error state:Microsoft Surface Pro is known to get into error states quite frequently and cause strange issues.Here are some of the reasons why these problems can occur: Although the idea seems simple, the keyboard has a separate firmware that is used in parallel with the laptop detection software on the computer. The Surface Pro 4's keyboard is more prone to issues than other mainstream laptop counterparts because it can be detached. Free shipping offers only apply to the continental US.What causes the Surface Pro 4 keyboard not to work? Fixed or free shipping offer does not apply to items shipped on pallets, please call for rates on those items.All products are shipped and delivered on business days.If you have a rush order, or need an item delivered on Saturday please call to request faster shipping. Products usually ship within two business days after payment.The purchaser is responsible for all shipping costs and insurance.Item(s) should be securely packed for safe return.Item(s) must be received in original condition preferably in the same packing materials.Item(s) must be returned within 30 days from invoice date.If you need assistance finding a different product our awesome staff is ready to help. Whether you want something different or just a credit, we have you covered! This policy goes hand in hand with our company culture of delivering outstanding customer satisfaction. Rest assured, if you order the wrong items, don't like the model, or just don't need it anymore we accept returns with NO restocking fees. No Hassle Return Policy & PC Certified Guarantee

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