Before Opening the PC
To avoid injury and equipment damage, always follow this procedure in this order before opening the PC:
1Remove any diskette or optical disc (CD or DVD) from the PC.
2Click the Start button on the taskbar. Click Turn Off Computer and then click Turn Off again.
3Disconnect the modem/telephone cable, if present.
WARNING: 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.
4Disconnect the power cord from the electrical outlet and then from the PC.
5Disconnect all other attached cables (such as the keyboard, mouse, and monitor).
6Disconnect all external devices.
CAUTION: Static electricity can damage the electronic components of the PC or optional equipment. Ensure that you are discharged of static electricity by briefly touching a grounded metal object.
After Closing the PC
To avoid injury and equipment damage, always follow this procedure in this order after closing the PC:
1Reconnect the power cord.
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 an Ethernet connector).
2Reconnect the modem/telephone cable and all other attached cables (such as the keyboard, mouse, and monitor).
3Reconnect external devices.
4Turn on the PC and all peripherals such as the monitor.
5If you installed an
Removing the Side Panel
1See “Before Opening the PC” on page 2.
2Loosen the two thumbscrews on the right side of the back panel. The first time you loosen these screws, you may need to use a Phillips screwdriver.
WARNING: Beware of sharp edges inside the chassis.
3Slide the panel back about 2.5 cm (1 inch), lift it off the PC, and set it aside.
NOTE: You do not need to remove the other side panel to replace the hardware listed in this guide.
2Upgrading and Servicing Guide
