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Helpful answers
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Aug 19, 2012 8:45 PM in response to woman1by BDAqua,Hello,
One loud beep usually means Hard Drive failure, common enough.
Can you count the beeps or flashes?
1 beep = no RAM installed
2 beeps = incompatible RAM types
3 beeps = no good banks
4 beeps = no good boot images in the boot ROM (and/or bad sys config block)
5 beeps = processor is not usable
In addition to the beeps, on some computers the power LED will flash a corresponding number of times plus one. The LED will repeat the sequence after approximately a 5-second pause. The tones are only played once.
Note: In this case, a flash is considered to be 1/4 second or 250 ms or greater in length.
http://support.apple.com/kb/HT1547
If you don't know the model, find the Serial# & use it on one of these sites, but don't post the Serial# here...
http://www.chipmunk.nl/klantenservice/applemodel.html
http://www.appleserialnumberinfo.com/Desktop/index.php
How to find the serial number of your Apple hardware product...
http://support.apple.com/kb/HT1349
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Aug 20, 2012 9:13 AM in response to BDAquaby woman1,my model is 2008 a1181. it was usually 3 beeps; what does no available banks mean? also thank you for the support links but I still can't figure out what's wrong
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Aug 20, 2012 9:43 AM in response to woman1by BDAqua,Banks are twin sets of RAM slots/modules, so either you have a bad Ram stick or two, or a logic board problem around the RAM slots.
Might try re-seating the RAM...
http://eshop.macsales.com/installvideos/macbook_13_mem_hd/
Or if you want to try replacing the RAM...