58 | 4 Upgrading your computer |
Installation precautions
Before you install any computer component, we recommend that you read the following sections. These sections contain important ESD precautions along with preinstallation and
ESD precautions
Electrostatic discharge (ESD) can damage your processor, disk drives, expansion boards, and other components. Always observe the following precautions before you install a computer component:
1Do not remove a component from its protective packaging until you are ready to install it.
2Wear a wrist grounding strap and attach it to a metal part of the computer before handling components. If a wrist strap is not available, maintain contact with the computer throughout any procedure requiring ESD protection.
Preinstallation instructions
Always observe the following before you install any component:
1Turn off your computer and all the peripherals connected to it before opening it. Then unplug all cables from the power outlets.
2Open your computer according to the instructions on page 60.
3Follow the ESD precautions described above when handling a computer component.
4Remove any expansion board(s) or peripheral(s) that block access to the DIMM sockets or other component connector.
5See the following sections for specific instructions on the component you wish to install.
Warning! Failure to turn off the computer properly before you start installing components may cause serious damage.
Do not attempt to open, upgrade and reconfigure your computer unless you are a qualified service technician.
