HP 303B Maintenance & Service Guide: HP 303B Microtower Business PC - Page 77

Routine Care, General Cleaning Safety Precautions, Cleaning the Computer Case, Cleaning the Keyboard

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Page 77 highlights

Routine Care General Cleaning Safety Precautions 1. Never use solvents or flammable solutions to clean the computer. 2. Never immerse any parts in water or cleaning solutions; apply any liquids to a clean cloth and then use the cloth on the component. 3. Always unplug the computer when cleaning with liquids or damp cloths. 4. Always unplug the computer before cleaning the keyboard, mouse, or air vents. 5. Disconnect the keyboard before cleaning it. 6. Wear safety glasses equipped with side shields when cleaning the keyboard. Cleaning the Computer Case Follow all safety precautions in General Cleaning Safety Precautions on page 69 before cleaning the computer. To clean the computer case, follow the procedures described below: ● To remove light stains or dirt, use plain water with a clean, lint-free cloth or swab. ● For stronger stains, use a mild dishwashing liquid diluted with water. Rinse well by wiping it with a cloth or swab dampened with clear water. ● For stubborn stains, use isopropyl (rubbing) alcohol. No rinsing is needed as the alcohol will evaporate quickly and not leave a residue. ● After cleaning, always wipe the unit with a clean, lint-free cloth. ● Occasionally clean the air vents on the computer. Lint and other foreign matter can block the vents and limit the airflow. Cleaning the Keyboard Follow all safety precautions in General Cleaning Safety Precautions on page 69 before cleaning the keyboard. To clean the tops of the keys or the keyboard body, follow the procedures described in Cleaning the Computer Case on page 69. When cleaning debris from under the keys, review all rules in General Cleaning Safety Precautions on page 69 before following these procedures: Routine Care 69

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Routine Care
General Cleaning Safety Precautions
1.
Never use solvents or flammable solutions to clean the computer.
2.
Never immerse any parts in water or cleaning solutions; apply any liquids to a clean cloth and
then use the cloth on the component.
3.
Always unplug the computer when cleaning with liquids or damp cloths.
4.
Always unplug the computer before cleaning the keyboard, mouse, or air vents.
5.
Disconnect the keyboard before cleaning it.
6.
Wear safety glasses equipped with side shields when cleaning the keyboard.
Cleaning the Computer Case
Follow all safety precautions in
General Cleaning Safety Precautions
on page
69
before cleaning the
computer.
To clean the computer case, follow the procedures described below:
●
To remove light stains or dirt, use plain water with a clean, lint-free cloth or swab.
●
For stronger stains, use a mild dishwashing liquid diluted with water. Rinse well by wiping it with
a cloth or swab dampened with clear water.
●
For stubborn stains, use isopropyl (rubbing) alcohol. No rinsing is needed as the alcohol will
evaporate quickly and not leave a residue.
●
After cleaning, always wipe the unit with a clean, lint-free cloth.
●
Occasionally clean the air vents on the computer. Lint and other foreign matter can block the
vents and limit the airflow.
Cleaning the Keyboard
Follow all safety precautions in
General Cleaning Safety Precautions
on page
69
before cleaning the
keyboard.
To clean the tops of the keys or the keyboard body, follow the procedures described in
Cleaning the
Computer Case
on page
69
.
When cleaning debris from under the keys, review all rules in
General Cleaning Safety Precautions
on page
69
before following these procedures:
Routine Care
69