LaptopRepairYork.co.uk. Laptop repair in York & North Yorkshire by xSphere Computer Solutions. Telephone 01904 500141 LaptopRepairYork.co.uk. Laptop repair in York & North Yorkshire by xSphere Computer Solutions. Telephone 01904 500141

Laptop Keyboard Repair

A typical laptop keyboard (front side)
A typical laptop keyboard (front side)

About Laptop Keyboards

Laptop keyboards usually consist of a single module connected to the laptop mainboard via a ribbon cable hidden underneath the keyboard. Common keyboard problems include keys falling off, dust and dirt working its way under the keys, and drinks being spilled on the keyboard.

Symptoms of a Faulty Laptop Keyboard

Symptoms of a faulty laptop keyboard can include:

  • The keyboard does not work at all: no key presses are recognised
  • Certain keys repeat randomly, even if they have not been pressed
  • Certain keys are never recognised
  • Some keys are stuck down and cannot be pressed
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Diagnosing Laptop Keyboard Problems

The easiest way to check if your laptop's keyboard is faulty is to connect an external USB keyboard. If this works correctly when the built-in keyboard does not, it's probably the laptop keyboard which is at fault. There are a couple of other simple things to check:

  1. If certain keys on the right side of the keyboard (usually U I O P J K L) produce numbers instead of letters, check that NumLock has not been left on
  2. If certain keys do not produce the letter or symbol you expect, check that the input language is set correctly. (For example, if you have a UK keyboard but Windows or MacOS is set to a US English keyboard layout, the @ symbol will produce a double quote and vice versa.)
A typical laptop keyboard (rear side)
A typical laptop keyboard (rear side)

Replacing A Laptop Keyboard

Replacing a laptop keyboard is usually fairly straightforward. Occasionally it will be necessary to disassemble the laptop to access the keyboard, but often the keyboard is secured by a number of screws on the bottom of the laptop. In this case, the basic replacement procedure is as follows:

  1. Disconnect the power and remove the laptop battery
  2. Undo and remove the keyboard screws from the bottom of the laptop
  3. With a flat screwdriver, gently push down any clips securing the keyboard to the laptop chassis
  4. Gently lift the keyboard away from the laptop, remembering that the ribbon cable is still connected
  5. Carefully disconnect the keyboard ribbon cable from its connector
  6. Reverse the steps above to install the new replacement laptop keyboard

A Word Of Caution

The instructions above are only a brief outline of a possible repair procedure. If you are in any way unsure, please don't attempt to disassemble or repair your laptop yourself. We cannot accept any responsibility for damaged caused by attempts to follow these instructions.

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