Acer Aspire 3300, Service Manual

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Chapter 2
Chapter 2 21
System Utilities
Most systems are already configured by the manufacturer or the dealer. There
is no need to run Setup when starting the computer unless you get a Run Setup
message.
The Setup program loads configuration values into the battery-backed
nonvolatile memory called CMOS RAM. This memory area is not part of the
system RAM.
NOTE If you repeatedly receive Run Setup messages, the battery may be bad.
In this case, the system cannot retain configuration values in CMOS.
Ask a qualified technician for assistance.
Before you run Setup, make sure that you have saved all open files. The
system reboots immediately after you exit Setup.