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Chapter 4 Explore iMac 43
10 After you’ve installed all the memory modules, push the memory cage levers down into the
compartment until they click back into place.
11 Replace the memory compartment door, then press it rmly.
12 Hold your iMac by its sides and return it to a standing position. Reconnect the cables and
power cord.
13 Press the power button on the back of your iMac to turn it on.
Make sure iMac recognizes the new memory
After you install memory, check that your iMac recognizes the new memory.
1 Start up your iMac.
2 When you see the OS X desktop, choose Apple menu > About This Mac.
You’ll see the total amount of memory installed in your iMac. For a detailed view of the amount
of memory installed, click System Report, then click Memory on the left under Hardware.
If the memory you installed doesn’t meet specications, your iMac will sound three tones every
ve seconds. If this happens, shut down your iMac and check the installation instructions again
to make sure that the memory is compatible and installed correctly. If you still have problems,
remove the memory and consult the support information that came with the memory or contact
the vendor who provided the memory.
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