Updating Programs And Drivers; Cleaning Your Computer; Cleaning Products; Cleaning Procedures - HP ProBook 4445s Getting Started Manual

Updating programs and drivers

HP recommends that you update your programs and drivers on a regular basis with the latest
versions. Go to
receive automatic update notifications when they become available.

Cleaning your computer

Cleaning products

Use the following products to safely clean and disinfect your computer:
●
Dimethyl benzyl ammonium chloride 0.3 percent maximum concentration (For example:
germicidal disposable wipes. These wipes come in a variety of brand names.)
●
Alcohol-free glass cleaning fluid
●
Water with mild soap solution
●
Dry microfiber cleaning cloth or a chamois (static-free cloth without oil)
●
Static-free cloth wipes
CAUTION:
Strong solvents, such as alcohol, acetone, ammonium chloride, methylene chloride, and
hydrocarbons, which can permanently damage the surface of the computer.
Fibrous materials, such as paper towels, which can scratch the computer. Over time, dirt particles
and cleaning agents can get trapped in the scratches.

Cleaning procedures

Follow the procedures in this section to safely clean your computer.
WARNING!
notebook or tablet PC while it is turned on:
Turn off the computer.
Disconnect external power.
Disconnect all powered external devices.
CAUTION:
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 door, 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 notebook, use a circular motion to aid in removing dirt and
debris.
38 Chapter 5 Maintenance
http://www.hp.com/support
Avoid the following cleaning products:
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 surface. Liquids
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