HP 18-5021 All-in-One Desktop PC - Manual (Page 36)

WARNING! The equipment must be provided with a proper AC protective earth (PE) ground
connection.
Energized and moving parts may be inside the computer. Disconnect power to the equipment before
removing the enclosure. Replace and secure the enclosure before re-energizing the equipment.
Battery replacement notice
WARNING! The product may contain an internal lithium manganese dioxide, vanadium pentoxide,
or alkaline battery or battery pack. There is risk of fire and burns if the battery pack is not handled
properly. To reduce the risk of personal injury:
● Do not attempt to recharge the battery.
● Do not expose to temperatures higher than 60° C (140° F).
● Do not disassemble, crush, puncture, short external contacts, or dispose of in fire or water.
● Risk of explosion if battery is replaced by an incorrect type. Dispose of used batteries according
to the instructions.
● Replace only with the HP spare designated for this product.
For information about removing a battery, refer to your computer documentation.
Batteries, battery packs, and accumulators should not be disposed of together with the general
household waste. In order to forward them to recycling or proper disposal, please use the public
collection system or return them to HP, an authorized HP partner, or their agents.
The Taiwan EPA requires dry battery manufacturing or importing firms, in accordance with Article 15 of
the Waste Disposal Act, to indicate the recovery marks on the batteries used in sales, giveaways, or
promotions. Contact a qualified Taiwanese recycler for proper battery disposal.
Headset and earphone volume level notice
WARNING! Listening to music at high volume levels and for extended durations can damage one’s
hearing. To reduce the risk of hearing damage, lower the volume to a safe, comfortable level and
reduce the amount of time listening at high levels.
For your own safety, before using headsets or earphones, always reset the volume. Some
headphones are louder than other headphones, even if the volume control setting is the same.
Changing the default audio or equalizer settings might lead to higher volume and should only be done
with caution.
If the computer includes a headset or earphones and bears the "GS" mark, this combination is in
compliance with EN 50332-1. For your own safety, headsets or earphones used with these products
should comply with the headphone limits in EN 50332-2.
28 Chapter 4 Safety notices for desktops, thin clients and personal workstations