When the keyboard makes continuous beeping sound as the laptop boots ..... please have it changed to avoid further damages to your laptop

Some keys refuse to respond when touched...... remove keyboard and dust it, then put it back. If symptoms persist, consult a qualified tech person.

Faulty keyboard can prevent your computer from booting ie makes it hang ..... remove keyboard and dust it, then put it back. Problem not solved? Replace it!

Don't eat over your laptop. Your keyboard hates food particles and liquids.