Keyboard; Display - HP Compaq Series Hardware And Software Manual

Keyboard

Clean the keyboard regularly to prevent keys from sticking and to
remove dust, lint, and particles that can become trapped beneath
the keys. Ideally, use a can of compressed air with a straw
extension to blow air under and around the keys.
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CAUTION: To prevent damage, do not clean the keyboard with liquids
of any kind. Do not use a regular vacuum cleaner to clean the keyboard,
because you may deposit normal household debris on the surfaces,
rather than remove it.

Display

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CAUTION: To prevent damage to your notebook, never spray water,
cleaning fluids, or chemicals on the screen.
To remove smudges and lint, frequently clean your display with
a soft, damp, lint-free cloth. If the screen requires additional
cleaning, use an antistatic screen cleaner or premoistened
antistatic wipes.
Hardware and Software Guide
Notebook Care
15–3