HP Pro Tower ZHAN 99 G9 Desktop PC SS Maintenance and Service Guide - Page 18

Operating guidelines, Routine care, General cleaning safety precautions

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Operating guidelines This information details how to prevent overheating and to help prolong the life of the computer. ● Keep the computer away from excessive moisture, direct sunlight, and extremes of heat and cold. ● Operate the computer on a sturdy, level surface. Leave a 10.2 cm (4 inch) clearance on all vented sides of the computer and above the monitor to permit the required airflow. ● Never restrict the airflow into the computer by blocking any vents or air intakes. Do not place the keyboard, with the keyboard feet down, directly against the front of the desktop unit as this also restricts airflow. ● Occasionally clean the air vents on all vented sides of the computer. Lint, dust, and other foreign matter can block the vents and limit the airflow. Be sure to unplug the computer before cleaning the air vents. ● Never operate the computer with the cover or side panel removed. ● Do not stack computers on top of each other or place computers so near each other that they are subject to each other's recirculated or preheated air. ● If the computer is to be operated within a separate enclosure, intake and exhaust ventilation must be provided on the enclosure, and the same operating guidelines listed previously still apply. ● Keep liquids away from the computer and keyboard. ● Never cover the ventilation slots on the monitor with any type of material. ● Install or enable power management functions of the operating system or other software, including Sleep states. Routine care Use this information to properly care for your computer. General cleaning safety precautions Use this information to safely clean your computer. CAUTION: To prevent electric shock or damage to components, never clean a product while it is turned on or plugged in. ● Never use solvents or flammable solutions to clean the computer. ● Never immerse any parts in water or cleaning solutions; apply any liquids to a clean cloth and then use the cloth on the component. ● Always unplug the computer when cleaning with liquids or damp cloths. ● Always unplug the computer before cleaning the keyboard, mouse, or air vents. ● Disconnect the keyboard before cleaning it. ● Wear safety glasses equipped with side shields when cleaning the keyboard. Operating guidelines 11

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Operating guidelines
This information details how to prevent overheating and to help prolong the life of the computer.
●
Keep the computer away from excessive moisture, direct sunlight, and extremes of heat and cold.
●
Operate the computer on a sturdy, level surface. Leave a 10.2 cm (4 inch) clearance on all vented sides of
the computer and above the monitor to permit the required airflow.
●
Never restrict the airflow into the computer by blocking any vents or air intakes. Do not place the
keyboard, with the keyboard feet down, directly against the front of the desktop unit as this also restricts
airflow.
●
Occasionally clean the air vents on all vented sides of the computer. Lint, dust, and other foreign matter
can block the vents and limit the airflow. Be sure to unplug the computer before cleaning the air vents.
●
Never operate the computer with the cover or side panel removed.
●
Do not stack computers on top of each other or place computers so near each other that they are subject
to each other’s recirculated or preheated air.
●
If the computer is to be operated within a separate enclosure, intake and exhaust ventilation must be
provided on the enclosure, and the same operating guidelines listed previously still apply.
●
Keep liquids away from the computer and keyboard.
●
Never cover the ventilation slots on the monitor with any type of material.
●
Install or enable power management functions of the operating system or other software, including Sleep
states.
Routine care
Use this information to properly care for your computer.
General cleaning safety precautions
Use this information to safely clean your computer.
CAUTION:
To prevent electric shock or damage to components, never clean a product while it is turned on
or plugged in.
●
Never use solvents or flammable solutions to clean the computer.
●
Never immerse any parts in water or cleaning solutions; apply any liquids to a clean cloth and then use
the cloth on the component.
●
Always unplug the computer when cleaning with liquids or damp cloths.
●
Always unplug the computer before cleaning the keyboard, mouse, or air vents.
●
Disconnect the keyboard before cleaning it.
●
Wear safety glasses equipped with side shields when cleaning the keyboard.
Operating guidelines
11