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You are here: MacNN Forums > Hardware - Troubleshooting and Discussion > Mac Notebooks > Replaced bottom cover of late 2009 uMBP 17" now serial is gone & it won't turn on!

Replaced bottom cover of late 2009 uMBP 17" now serial is gone & it won't turn on!
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Mar 24, 2010, 05:25 PM
 
The subject line says it all...

The issue is that the late 2009 17" macbook pro unibody will not power on and the bottom case cover has been replaced, meaning it does not have the original serial number that was laser etched in. I am trying to locate the serial number of the machine, but again, it does not turn on so I cannot just go to "About This Mac." So my question is: is there anywhere on the logic board I can look for the serial number? I have some good eyes so i don't mind looking for any of the small characters on the board. The numbers on the RAM casing on the late 2008 model was the actual serial number. But the numbers now on the late 2009 ram case are not the serial number. I tried typing it into Apple's support site for warranty verification, but it is not correct. It looks like the actual serial because it starts with a W8921...but the numbers after those characters make it an invalid serial number.

And incase you are wondering, I bought it used and it was working fine when I bought it. The back cover was already replaced when I purchased it, so it never had the serial. But I do recall seeing the serial in "About This Mac," only thing is that I never bothered to write it down. Now that the computer won't turn on, this big investment of mine is just a heavy paperweight! =(

Any assistance would be appreciated...Thank you!
     
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Mar 24, 2010, 07:04 PM
 
The technician replacing the bottom case would have been instructed to use a sharpie and write it on the inside of the new bottom case. If they failed to do that, you're pretty much hosed.
     
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Mar 24, 2010, 07:26 PM
 
what are the numbers on the ram casing?
     
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Mar 24, 2010, 07:50 PM
 
Apple Menu -> About This Mac -> More Info -> Hardware -> Look for the SN on the screen.

Of course, this only works if it boots.

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Mar 24, 2010, 07:52 PM
 
It doesnt turn on...
     
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Mar 24, 2010, 08:06 PM
 
genius bar, or call apple...
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And that is what you all are: inverted Nothings...with potential" (Sun Ra)
     
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Mar 24, 2010, 08:23 PM
 
If it was working when you got it, what happened to it? Did you try an smc reset?
     
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Mar 24, 2010, 09:05 PM
 
If it's late 2009, why don't you just take it into Apple before fooling around with non-user replaceable parts?
     
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Mar 24, 2010, 11:07 PM
 
i bought it used from someone that had it repaired BY APPLE. when the bottom case is damaged, apple puts a case without a laser etched serial number on it. when i got it, computer worked fine. i saw the serial number in 'about this mac' but never cared to write it down. i took it to apple and they verified it was under warranty by looking at the serial number under 'about this mac.' now the computer will not turn on, therefore, i don't have access to the serial number. apple won't take it in for repair without having a 'valid serial number.' they said they need it BEFORE beginning work on it. and yes, i've already tried telling them that it has to be under warranty since it's a mid 2009 computer, but they were pretty strict about needing a serial. it's out of my hands and they don't understand!
     
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Mar 25, 2010, 12:29 AM
 
Originally Posted by macboywonder View Post
i bought it used from someone that had it repaired BY APPLE. when the bottom case is damaged, apple puts a case without a laser etched serial number on it.
IF it was repaired by Apple they would have written the serial number on the INSIDE of the bottom case. If it's not there you're probably hosed. (Like I stated earlier.)

Apple MAY be able to track down the serial number of the machine based on the serial number from the logic board, but only Apple can answer that.
     
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Mar 25, 2010, 06:21 AM
 
If you just had the cover replaced, doesn't the tech remember you? Can't they fix it or pull the work order for the repair?

Re-seat the RAM. Reset the SMC. Disconnect the battery, reconnect, try bootting with no battery and just the power cable, etc. Try everything.

Do you have the original box? Receipt? Email from Apple? Something has to prove it's still in warranty. Don't give up.

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Mar 27, 2010, 01:16 AM
 
The serial number is also on the box that it came in as well as the original receipt.

It should also be on file with apple under the previous owner's name. If it was ordered through the apple online store by the previous owner, he may be able to log in and get that number for you. It should also be on the work order for the repair stuff.
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