Logicboard replacement fails after 2 weeks

Hi all
I finally got the logicboard in my G4 ibook replaced. because I have already bought a new powerbook I intended to sell the unit. After using it a handful of times I posted it for sale and left it (turned off) for a week. Now I have tried to boot it and it failed. The symptoms are exactly the same as they were before I had the logiboard replced.
This really ****** me off because I did pay for the labour to get it fixed and it was when I was trying to demo it for a buyer that it stopped working.
I was wondering if anyone else has had the logicboard replaced only to have it blow out right away? Could the power unit be shorting it out or something?
Thanks!

My G4 ibook went wrong after a year. The screen goes blank. A restart usually results in nothing but the fan coming on. Repeated attempts at restart sometimes get the thing to running again. however it only runs for a few minutes before the screen goes blank again. The machine was exhibiting strange video problems for months before it finally packed up. i wish I had been more assertive with the shop I brought it from and got the machine replaced. I am now left with £850 worth of junk. I beleive the machine has a manufacturing fault. The repair shop I took it too had had a lot in with the same problem. I suggested to Apple they sell me a new logic board at cost price and I would pay for the fitting. They refused. I cannot beleive a Logic board costs Apple £500 which is price I was quoted. A very poor show indeed. This is not the way to treat loyal customers.

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You appear to have empty catch blocks. Which means you don't get the error message that would tell you what is failing.
Put in code that logs the exception and the stack trace of the exception. If you can't figure out the error message, post it here.
You should be closing streams in finally statements. Otherwise they might not get closed when there is an error -> you leak descriptors -> you run out of descriptors -> every stream open will fail -> more errors -> more descriptors get leaked -> etc -> everything stops working. Always do it like this:
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Slow computer after logicboard replacement/ any way to retrieve 18 month old receipts

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I purchased a Macbook Pro in August of 2008 and have been generally pleased with it. About a month ago it stopped turning on so I brought it in to the Apple store. They claimed that the video card was fried and that they would need to replace the entire logic board. The computer has been out of warranty for a little while now so I was seriously debating shelling out the $330 to replace the logic board. The genius guy assured me that it would run like new once it was replaced so I went ahead and did it. When I got it back, I soon noticed that everything was running slower. Over the last month, the computer has gotten so slow its almost unusable, so I started snooping into the computer a little bit. I noticed that I had 2 gb of memory. I think I originally installed 4 gb of memory but I cant be sure. I checked for the receipt but its nowhere to be found. Not too surprising considering how long its been sicne I originally bought the computer. I looked up the standard specs on everymac.com and found that 2 gb was the baseline. I am pretty sure Ive upgraded the memory on every computer I've ever gotten which further deepens my suspicion. Now, I dont know for sure if I actually had 4 gb of memory and I dont want to start ranting and raving at the apple store about how the evil repairmen stole 2 gb of memory from me if I am not sure. Does anyone know of a way to check what was originally in my computer? If it turns out im simply forgetful, does anyone have any ideas about the slow computer following logicboard replacement? A quick google search let me know that I am not the only one with this problem but didnt turn up much in the way of help. Thanks so much.

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Just thought I'd chime in here as well a little.
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my system:
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Today a dark streak showed up on my display right in the middle. It is shaped like a zebra stripe but is dark grey and wont go away.
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Message Edited by Frato on 12-16-2008 06:02 AM

Hi
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Logicboard replacement fails after 2 weeks

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