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Apple Computing Products:
macOS - Notebook Hardware
Upgraded 2gb to 4gb RAM, blank screen on startup
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<blockquote data-quote="chscag" data-source="post: 921443" data-attributes="member: 46727"><p>What do you mean "it works some times"? Do you mean inserting the 2 x 2 GB modules will work sometimes and sometimes not?</p><p></p><p>Your machine can very definitely utilize 4 GB of memory. (2 x 2 GB modules)</p><p>If it will work OK with both 1 GB modules or 1 x 1 GB module and either 1 x 2 GB module, then we know that the memory slots are OK. </p><p></p><p>It sounds like the 2 GB modules are not matched and won't work together. That's about the only thing I can think of.</p><p></p><p>Regards.</p></blockquote><p></p>
[QUOTE="chscag, post: 921443, member: 46727"] What do you mean "it works some times"? Do you mean inserting the 2 x 2 GB modules will work sometimes and sometimes not? Your machine can very definitely utilize 4 GB of memory. (2 x 2 GB modules) If it will work OK with both 1 GB modules or 1 x 1 GB module and either 1 x 2 GB module, then we know that the memory slots are OK. It sounds like the 2 GB modules are not matched and won't work together. That's about the only thing I can think of. Regards. [/QUOTE]
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Apple Computing Products:
macOS - Notebook Hardware
Upgraded 2gb to 4gb RAM, blank screen on startup
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