Hardware Changes; Warnings And Cautions; Removing And Replacing The Access Panel; Removing The Access Panel - HP t628 Troubleshooting Manual

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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!
fire:
Unplug the 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 power cord grounding plug. The grounding plug is an important safety feature.
Plug the 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
and provides guidelines for posture and work habits that increase your comfort and decrease your risk of
injury. It also provides electrical and mechanical safety information. The Safety & Comfort Guide is located on
the HP website at http://www.hp.com/ergo.
WARNING!
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 briefly
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 unplug the power cord from the power source before
opening the thin client.

Removing and replacing the access panel

Removing the access panel

WARNING!
fire, ALWAYS operate the thin client with the access panel in place. In addition to enhancing safety, the access
panel may provide important instructions and identification 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 off and the power cord is disconnected
from the AC outlet.
1. Remove/disengage any security devices that prohibit opening the thin client.
2. Remove all removable media, such as USB flash drives, from the thin client.
To reduce the risk of personal injury or equipment damage from electric shock, hot surfaces, or
Energized parts inside.
To reduce the risk of personal injury or equipment damage from electric shock, hot surfaces, or
Warnings and cautions 9