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Apple Computing Products:
macOS - Operating System
My MBP just shut down without warning
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<blockquote data-quote="vansmith" data-source="post: 1507530" data-attributes="member: 71075"><p>Macs have been designed in such a way to warn users and technicians of faults through chimes and blinking lights. For instance, faulty or missing RAM will cause a Mac to blink the power LED. <a href="http://support.apple.com/kb/HT2538#" target="_blank">This</a> article lists a few of these combinations for iMacs but you'll notice that in the list of affected machines is the mid 2009 15" MBP (is this yours?). If that is your machine, do any of those combinations look familiar?</p></blockquote><p></p>
[QUOTE="vansmith, post: 1507530, member: 71075"] Macs have been designed in such a way to warn users and technicians of faults through chimes and blinking lights. For instance, faulty or missing RAM will cause a Mac to blink the power LED. [URL="http://support.apple.com/kb/HT2538#"]This[/URL] article lists a few of these combinations for iMacs but you'll notice that in the list of affected machines is the mid 2009 15" MBP (is this yours?). If that is your machine, do any of those combinations look familiar? [/QUOTE]
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Apple Computing Products:
macOS - Operating System
My MBP just shut down without warning
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