2 Hardware changes
Warnings and cautions
Before performing upgrades be sure to carefully read all of the applicable instructions, cautions, and
warnings in this guide.
WARNING! To reduce the risk of personal injury or equipment damage from electric shock, hot surfaces, or
re:
Disconnect the AC power cord from the AC outlet and allow the internal system components to cool before
you touch them.
Do not plug telecommunications or telephone connectors into the network interface controller (NIC)
receptacles.
Do not disable the AC power cord grounding plug. The grounding plug is an important safety feature.
Plug the AC power cord into a grounded (earthed) AC outlet that is easily accessible at all times.
To reduce the risk of serious injury, read the Safety & Comfort Guide. It describes proper workstation setup,
posture, and health and work habits for computer users, and provides important electrical and mechanical
safety information. The Safety & Comfort Guide is located on the HP website at http://www.hp.com/ergo.
WARNING! Energized parts inside.
Disconnect power to the equipment before removing the enclosure.
Replace and secure the enclosure before re-energizing the equipment.
CAUTION: Static electricity can damage the electrical components of the thin client or optional equipment.
Before beginning the following procedures, be sure that you are discharged of static electricity by briey
touching a grounded metal object.
When the thin client is plugged into an AC power source, voltage is always applied to the system board. To
prevent damage to internal components, you must disconnect the AC power cord from the power source
before opening the thin client.
Removing and replacing the access panel
Removing the access panel
WARNING! To reduce the risk of personal injury or equipment damage from electric shock, hot surfaces, or
re, ALWAYS operate the thin client with the access panel in place. In addition to enhancing safety, the access
panel may provide important instructions and identication information, which may be lost if the access
panel is not used. DO NOT use any access panel except the one that is provided by HP for use with this thin
client.
Before removing the access panel, be sure that the thin client is turned o and the AC power cord is
disconnected from the AC outlet.
To remove the access panel:
1. Remove/disengage any security devices that prohibit opening the thin client.
2. Remove all removable media, such as USB ash drives, from the thin client.
Warnings and cautions 5
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