After closing the computer
To avoid injury and equipment damage, always complete the following steps, in the order in which they are listed, after closing the computer:
1Reconnect the power cord.
WARNING: To reduce the risk of electrical shock, fire, or damage to the equipment, do not plug telecommunications or telephone cables into the network interface card (NIC) (labeled as an Ethernet or LAN connector).
2Reconnect all the cables (such as the keyboard, mouse, and monitor cables).
3Reconnect the external devices.
4Turn on the computer power supply by using the rocker switch on the back of the chassis.
5Turn on the computer by using the On button on the front of the chassis, and then turn on all peripherals, such as the monitor.
6If you installed an
Accessing the chassis through the access door (left side)
To upgrade or service the majority of components in the computer, you must access the chassis through the access door (left side). Complete the following steps to open the left access door, remove the door exterior inlay (when replacing it), or lift the access door off its hinges:
CAUTION: Avoid damage, when you remove the access door or the inlay, protect the inlay by placing it onto a smooth surface covered by a soft cloth.
1See “Before opening the computer” on page 2.
Upgrading and Servicing Guide 3
