Fans Now Kick on to "Cat 5 Hurricane" Speed After Logic Board Replacement

I have been around and around with this issue with tech support/product specialists and "Geniuses" at Apple Stores, and all I seem to be getting are shoulder shrugs from one and all.
I recently had to have my logic board replaced --and since doing this, the fans come on for what I feel are "innocuous" reasons --say just watching a YouTube vid or opening a "heavy" PDF, Safari being the ONLY app open.
Did not do this before the repair --I could certainly care less since I of course want my MBP to stay at its coolest, but the amount of noise seems to feel like trying to kill a mosquito with a cannonball.
Anyone familiar with this issue?
Thanks in advance

All those steps already have pretty much been taken, S.U. --since the logic board replacement was done at an Apple Store, I immediately took it back to the same Apple Store and the "Genius" ran through all those things --I'm still having to monitor what it's doing when they kick in, but the only thing unusual I see is when Safari goes right to the top of the Activity Monitor after clicking on the CPU column when I'm on one of these "innocuous" sites.
Since then, I've gone to yet another Apple Store, left my computer NEEDLESSLY there overnight (they didn't realize they didn't have the parts till the next day --not exactly sure WHICH parts --but the "Genius" thought it'd be a good idea to replace the fans --not sure how that makes any sense --I mean, the FANS work FINE --they just come on all the time!!) --took it back yet again and the "genius" (note quotes) decided it'd be a good idea that installing the newest version of Flash Player would solve the issue --what a surprise that it didn't!.
So here I still am --in a place where just going to the Corner Bakery website sounds like a tornado is about to hit.
Then today, I had a supposed product specialist @Tech Support tell me "so what's the problem? The fans mean they're keeping your computer cool" --I s**t you not!!
CMCSK, I couldn't agree with you more and have, in fact, had to take this to Apple Consumer Relations --who basically told me it's all up to the techs/"geniuses" to fix but they'd add a notation on the case to expedite should it require another repair (cause having my MBP [only computer] in the shop for a week to replace said logic board cost me dearly!!).
BFD.
Of course, doesn't help matters that the timing of this is right at a time when you can't even get IN to the "Genius" Bar because of the whole post-holiday rush.
My AppleCare runs out in like 100 days --hope they can resolve this before then --don't laugh.
This is really screwed.

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    Hi guys,
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    In December 2006, the logic board failed, so I bought a MacBook, because I didn't have time to be offline waiting weeks for Apple to replace the iBook's logic board.
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    Almost immediately, the iBook began exhibiting a major problem, specifically that I'd be typing away, and suddenly the display would go black.
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    And then it would go black after a second or two.
    And then with another shake, it would come back on, sometimes for a couple of hours at a time.
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    I explained to Apple that I hadn't used the iBook for six months, because I had a MacBook.
    After much badgering, Apple has agreed to replace the logic board if it's faulty.
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    Apple is also insisting that I have to pay all the labor charges.
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    Which has made me notice that during the last few weeks, I've never heard the iBook's fan come on.
    I presume that an iBook has a fan ?
    Please confirm.
    Therefore, another loose cable ?
    Today, the display went black again, as usual.
    So I gave the iBook a shake.
    But this time, nothing happened.
    No display.
    No fan.
    No hard drive spinning.
    Just silent and dead.
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    Duff logic board ?
    And/or duff display ?
    And/or duff fan ?
    And/or duff cabling by the technician ?
    As far as I'm concerned, I don't see why I should have to pay for yet another repair, to correct hardware and/or workmanship which was so bad that after only three weeks of ACTUAL use since the "repair", the unit is now completely dead.
    All opinions and advice gratefully received.
    With thanks and best wishes,
    Michael
    London, England

    Hi S,
    Many thanks for your helpful and swift response.
    I agree with you regarding the likelihood that these problems would have surfaced immediately during normal usage, regardless of how much or little time had passed since the repair.
    As advised, I will inform Apple Customer Relations UK about the new developments.
    Indeed, when I resubmit the iBook, I'll include a print-out of this discussion.
    I agree with you about the fan.
    Prior to the failure of the first logic board, I ran that iBook for YEARS, without noticing any heat issue.
    Indeed, if there had been such incredible heat, then I'd have searched these discussion boards, and reported it to Apple HQ.
    Therefore, the astonishing heat is definitely a new development since the "repair."
    Consequently, I take on board your comments about the lack of a working fan since the "repair", which I shall also mention to Apple HQ.
    As for running the Apple Hardware Test, the unit is completely dead.
    The power cable is green, but the unit is now completely silent and black.
    I also note your suggestions regarding the cable which connects the display to the rest of the unit, which I shall also mention to Apple HQ.
    No repair sheet was ever given to me by the Apple Repair Centre (ARC).
    Indeed, no receipt was ever given to me when I delivered the unit to the ARC, nor was any paperwork ever given to me when I collected the unit from the ARC.
    However, Apple HQ can see on their screen that the logic board and display were both replaced for new by the ARC.
    What else was and wasn't done by the ARC is a mystery.
    I'll phone the ARC and ask for copies of any and all paperwork, so that I can submit it all to Apple HQ, which I note is your recommended option, rather than returning the unit to the ARC.
    However, the complicating factor is that with the exception of the logic board, it is my understanding that Apple is denying any liability on any part of the "repaired" unit, including the brand new display.
    If I understand Apple HQ correctly, they're now saying that all other hardware and labor costs will be mine.
    I'm sure I could buy a WORKING second-hand iBook G3 for the same price as a repair, if not cheaper.
    Therefore, perhaps I should return the unit to the ARC, and give them the opportunity to correct their previous workmanship, at their OWN cost.
    Because as far as I'm concerned, the ARC had two customers during the repair: Apple and the end-user, as evidenced by the fact that the ARC has invoiced its first customer Apple for workmanship which was clearly not up to Apple's own standards, and the ARC has then delivered the unit to its second customer, the end-user.
    In addition, regardless of Apple's 90 day warranty on repaired hardware, UK law includes the Sale of Goods Act 1979, and other relevant legislation: http://www.dti.gov.uk/consumers/fact-sheets/page38311.html
    Furthermore, if the ARC is completely unhelpful, I could jump all over them, by writing to Apple HQ, with cc's to the UK editions of MacWorld, MacFormat, and MacUser magazines.
    As advised, if the unit goes to Apple HQ, I will suggest that the unit is looked at carefully during disassembly, to see if errors were made during the ARC "repair."
    I'm always polite when on the phone to Apple, because I love the company so much.
    Indeed, even though during the last twelve months, I've been having very bad luck with the iBook, as well as with a MacBook which has exhibited so many problems that Apple has now agreed to replace old for new, I still love my Mac.
    And joy, sweet joy, I've just seen on the TNT courier's tracker website, that my replacement MacBook, built by Apple in Singapore, then flown to Arnhem in Germany, then flown to Northampton UK, then delivered to Heathrow UK, left the Heathrow depot 30 minutes ago, for delivery to the customer.
    And the sun is shining.
    Thank you again for all your kind and wise advice.
    With best wishes,
    Michael
    London, England

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