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Apple Computing Products:
macOS - Notebook Hardware
Macbook air a1370 won't run on battery or charge
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<blockquote data-quote="pigoo3" data-source="post: 1574260" data-attributes="member: 56379"><p>I can't say 100% exactly what all the Mag-Safe board controls. </p><p></p><p>Obviously it's the interface between the power supply & the computer...and the other ports that are on the card. Maybe the card sends some sort of signal to the computer when the power supply is disconnected...to then switch over to battery power.</p><p></p><p>Given what's already been tried...the Mag-Safe board and logic board are pretty much all that is left. The Mag-Safe board costs about $50...the logic board costs about $300. </p><p></p><p>I think that if I was going to try one of these...I would go with the lower cost part first ($50 Mag-Safe card). Not only because it cost less...but it is also a part that is directly related to power. </p><p></p><p>If the problem is the logic board ($300)...it's probably not worth it financially to replace it. $300 for the replacement + what was paid for the computer = probably is the same or more than the cost of a 100% working unit.</p><p></p><p>So basically my strategy would be...try replacing the Mag-Safe board. If this doesn't fix the problem...then it's time for e-Bay!<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink ;)" loading="lazy" data-shortname=";)" /> The only other possibility is...the cable that goes to/from the battery may be damaged.</p><p></p><p>- Nick</p></blockquote><p></p>
[QUOTE="pigoo3, post: 1574260, member: 56379"] I can't say 100% exactly what all the Mag-Safe board controls. Obviously it's the interface between the power supply & the computer...and the other ports that are on the card. Maybe the card sends some sort of signal to the computer when the power supply is disconnected...to then switch over to battery power. Given what's already been tried...the Mag-Safe board and logic board are pretty much all that is left. The Mag-Safe board costs about $50...the logic board costs about $300. I think that if I was going to try one of these...I would go with the lower cost part first ($50 Mag-Safe card). Not only because it cost less...but it is also a part that is directly related to power. If the problem is the logic board ($300)...it's probably not worth it financially to replace it. $300 for the replacement + what was paid for the computer = probably is the same or more than the cost of a 100% working unit. So basically my strategy would be...try replacing the Mag-Safe board. If this doesn't fix the problem...then it's time for e-Bay!;) The only other possibility is...the cable that goes to/from the battery may be damaged. - Nick [/QUOTE]
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Apple Computing Products:
macOS - Notebook Hardware
Macbook air a1370 won't run on battery or charge
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