HP TouchSmart IQ775 Desktop PC - Manual (Page 50)

46 HP TouchSmart PC User Guide
3 It is recommended that you use an antistatic wrist strap and a conductive foam pad when working on
the system.
Before opening the HP TouchSmart PC
To avoid injury and equipment damage, always follow this procedure in this order before opening the
HP TouchSmart PC.
1 Remove any media (CD, DVD, memory cards, USB devices, external hard disk drives) from the
HP TouchSmart PC.
2 Click the Windows Start Button, and then click Shut Down.
3 Disconnect the power cord from the electrical outlet and then from the HP TouchSmart PC.
4 Disconnect all other attached cables from the rear of the HP TouchSmart PC.
5 Disconnect all external devices.
After closing the HP TouchSmart PC
To avoid injury and equipment damage, always follow this procedure in this order after closing the
HP TouchSmart PC.
1 Reconnect the power cord.
2 Reconnect all other cables.
3 Reconnect external devices.
4 Turn on the HP TouchSmart PC and all peripherals such as the monitor.
WARNING: Always disconnect the HP TouchSmart PC from the power source before removing
the rear or vertical cover of the HP TouchSmart PC. Failure to do so before you open the
HP TouchSmart PC or do any procedures can result in personal injury or equipment damage.
CAUTION: To reduce the risk of personal injury from electrical shock or hot surfaces,
disconnect the power cord from the wall outlet, and allow the internal system components to
cool before touching.
CAUTION: Static electricity can damage the electronic components of the HP TouchSmart PC or
optional equipment. Ensure that you are discharged of static electricity by briefly touching a
grounded metal object.
WARNING: To reduce the risk of electrical shock, fire, or damage to the equipment, do not
plug telecommunications or telephone connectors into the network interface card (NIC)
(labeled as LAN).