Introduction
Whether it is from long-term use or from excessive force, a keyboard is a component of a computer very prone to damage. Thankfully, the process of replacing the keyboard for the Inspiron 15-5551 is a relatively simple process.
As with any electrical device, there are some precautions that should be taken beforehand. Disconnect the laptop from any power sources or connected devices. You should ground yourself before touching any internal components by touching an unpainted metal surface. If you are planning on doing further work on the internals beyond the scope of this guide, then you should ground yourself periodically.
What you need
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Turn your laptop upside down.
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Slide the battery latch to unlock the battery and remove it.
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Lift the black latch to disconnect the keyboard cable and freely remove the old keyboard.
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Once the keyboard has been replaced, the battery can be reinserted into the laptop and is ready to use.