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Lenovo ThinkPad T420S Keyboard
Putting in a new laptop keyboard is a pretty quick job as long as you follow the instructions. Getting a new Lenovo ThinkPad T420S keyboard is easy to do online. Try to cross-check the keyboard part number before you put it in. The keyboard should work as soon as you boot it up if it is truly installed properly.
Signals of a bad laptop keyboard
- The laptop keyboard is missing letter keys
- Nothing happens when you push certain letters on the Lenovo ThinkPad T420S keyboard
- Letters show up multiple times on the display
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