Cleaning Procedures; Cleaning The Display; Cleaning The Sides And Cover; Cleaning The Touchpad And Keyboard - HP ProBook 4440s User Manual

Cleaning procedures

Follow the procedures in this section to safely clean your computer or tablet PC.
WARNING!
computer or tablet PC while it is turned on:
Turn off the computer or tablet PC.
Disconnect external power.
Disconnect all powered external devices.
CAUTION:
Liquids dripped on the surface can permanently damage internal components.

Cleaning the display

Gently wipe the display using a soft, lint-free cloth moistened with an alcohol-free glass cleaner. Be
sure that the display is dry before closing the display.

Cleaning the sides and cover

To clean and disinfect the sides and cover, use a soft microfiber cloth or chamois moistened with one
of the cleaning solutions listed previously or use an acceptable germicidal disposable wipe.
NOTE: When cleaning the cover of the computer, use a circular motion to aid in removing dirt and
debris.

Cleaning the TouchPad and keyboard

CAUTION:
This can permanently damage internal components.
●
To clean and disinfect the TouchPad and keyboard, use a soft microfiber cloth or chamois
moistened with one of the cleaning solutions listed previously or use an acceptable germicidal
disposable wipe.
●
To prevent keys from sticking and to remove dust, lint, and particles from the keyboard, use a
can of compressed air with a straw extension.
WARNING!
a vacuum cleaner attachment to clean the keyboard. A vacuum cleaner can deposit household
debris on the keyboard surface.
To prevent electric shock or damage to components, do not attempt to clean your
Do not spray cleaning agents or liquids directly on any computer or tablet PC surface.
When cleaning the TouchPad and keyboard, do not let liquids drip between the keys.
To reduce the risk of electric shock or damage to internal components, do not use
Cleaning procedures 93