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37
Opening your system
Caution: Before you proceed, make sure that you have turned
off your system and all peripherals connected to it. Read the
“Preinstallation instructions” on page 35.
Warning! DO NOT attempt the procedures in the following
sections unless you are confident of your capability to
perform them. Otherwise, ask a service technician for
assistance.
Removing the system cover
You need to open your system before you can install additional
components.
1 Turn off the power to the system unit and unplug all cables.
2 Place your system unit on a flat, steady surface.
3 Turn the thumbscrew counterclockwise with your fingers to
release the cover.
aa r500.book Page 37 Thursday, September 20, 2001 11:06 AM