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Mid 2009 モデル番号A1278 / 2.26、2.53 GHz Core 2 DuoプロセッサーEMC 2326

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Compatibility of screws between A1278 2008/09 and the newer models

Hi all,

I have a macbook pro 13-inch 2008/09 on my hands, unsure exactly which, but the type where the bottom cover is split, and there is a separate latch for opening the battery/hdd compartment.

I note that the screws attached to the big base are just small screws, and not the three longer ones that should be there. Is this a problem?

I tried inserting one of the longer spare screws from the newer A1278 (14mm), but it wasn’t a good fit, and I was unsure if it was safe to leave these in. I understand the right screws should be 13.8mm but they seem nowhere to be found.

Any thoughts on this? The computer isn’t powering on (not sure if it can or not), and not sure if these ‘screw’-problems affect the ability to start… (or the safety of operating said computer)

Any input would be appreciated!

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The screws in the bottom plate normally would have no way of causing the computer not to power on. If the bottom plate is safely in position, the machine should be able to power on even with the screws fully removed. It would be a good idea for you to locate the serial number on your machine so you can determine the model. If the bottom plate is split, then you should be able to locate the serial number by removing the battery and looking for a sticker with the serial number printed on it in the battery bay. You can then enter your serial number at checkcoverage.apple.com to determine the model. Once you know the model you can try to find the screws for sale here on iFixit. My guess is these will include the screws you’re looking for.

MacBook Unibody (A1278) Screw Setの画像

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MacBook Unibody (A1278) Screw Set

$59.99

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Right. The kit you point to also looks right to me, but is out of stock.

I was wondering if me trying to force a 14mm (not 13.8mm) screw that works with the newer A1278s could have wrecked something in the machine causing it not to start..?

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Typically the answer would be no - but it's possible that depending on how the screw was inserted another component may have been damaged. Do you think the screw you inserted physically damaged another component?

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Opti さん、ありがとうございました!
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