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Apple Computing Products:
macOS - Notebook Hardware
MBP mid 2010 random power cut offs after adding SSD
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<blockquote data-quote="lclev" data-source="post: 1577525" data-attributes="member: 307555"><p>the DVD drive only draws power when it is in use. The hard drive would draw power when the system mounted it, when it was accessed, when the system did background utilities on it, when programs accessed it. Most DVD drives spend more time idle and therefore not drawing power. It was just a thought that the added draw of having two drives might be testing a weak power supply. I have seen it many times in systems where the power supply has been hit with electrical spikes and eventually they weaken. So when an additional draw is made on them they just shut down.</p><p></p><p>It was just a suggestion.</p><p></p><p>Lisa</p></blockquote><p></p>
[QUOTE="lclev, post: 1577525, member: 307555"] the DVD drive only draws power when it is in use. The hard drive would draw power when the system mounted it, when it was accessed, when the system did background utilities on it, when programs accessed it. Most DVD drives spend more time idle and therefore not drawing power. It was just a thought that the added draw of having two drives might be testing a weak power supply. I have seen it many times in systems where the power supply has been hit with electrical spikes and eventually they weaken. So when an additional draw is made on them they just shut down. It was just a suggestion. Lisa [/QUOTE]
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Apple Computing Products:
macOS - Notebook Hardware
MBP mid 2010 random power cut offs after adding SSD
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