Can Logic Boards be Repaired?

I have a failed early 2009 24inch 3.06 GHz with ATI 4850 512 MB graphics.
The hard disk and all other parts are fine, and the machine only boots in safe mode.
Everything has been tried, plus sending to an authorised Apple support service.
I am informed that the Logic Board has failed and face a huge bill to have it replaced.
My questions are as follows.
1. What has failed?
2. Can it be repaired?
3. What is the Apple experience of this?
I have noticed I am also not alone with this problem.
Logic dictates if the Board has failed, a replacement will also fail.
So what is the real fault, and what is the real repair of it?
Or is this a fault that is too complicated for Apple to have a fix other than replace it and repeat the problem.

The logic board is a printed circuit board with hundreds capacitors resistors and similar small components soldered onto the fine copper strip.
Additionally there are sockets for RAM drives and CPUs, GPUs etc...
One of the common issues with PCBs in general is solder bleed shorting as a result of heat build up- If this happens its terminal !
Apple have diagnostics that can identify a fault and provide a reference number however frankly if the fault IS on the board (broken copper strip solder bleed or tiny resister for instant) its remains easier and more cost effective to replace the board than attempt to strip the board out - bench test find fault replace and reassemble.
Replacing PCBs is industry practice.
Those fault diagnostic results ARE analyzed by Apple for trends and to identify quality issues.
Lowluster is quite wrong in saying that Apple are secretive if there is an identified design or engineering issue.
In fact there have been such problems in their products and they HAVE had programs to replace those FREE and after normal warranties such as a problem with iBook logic boards faulty MacPro graphic cards,Macbook damaged bottom panels and battery swelling are some.

Similar Messages

Can logic board die slowly, or is it black'n white?

My Macbook Pro 15" i7 of early 2011 seems to have a major problem related to the logic board.
in a nutshell, in case you don't have time to read the details:
The computer stopped starting up after quite a few restarts, AHT, PRAM reset, safe boots, new RAM and new SSD. This all happened withing 3 days.
Apple service guys will look at it tomorrow, but they already said it's most likely logic board failure and will need replacement.
the long story:
symptoms I faced along the way:
- less than two weeks ago, screen started freezing forcing me to force-shut down.
- started repeating within hours, occasionally giving Kernel Panic message.
- within a day, frozen screens had several varieties which would either come after a few minutes of working or at startup: blue screen with vertical bars of different shade blue, or same with yellow tones, or the last seen screen with a couple inches of the of the right side of screen having shifted to the left side with a thick black bar in between the two (i could still move the mouse for a while but not able to click).
- started also having sessions where the computer would not start up at all (blue screen or gray screen with wheel turning)
- in between these steps I ran the computer on safe mode mostly successfully, did Apple Hardware Test 3 times with nothing wrong diagnosed (took 18 mins each), I did PRAM reset a few times too
- i tested these with different peripherals and power cable attached and not attached (normally i have a USB external and one or rarely two firewire drives attached for my video and photo work).
I realized that the computer would still be working after the freeze too. I use the MBPro to share internet for my iPhone and while it was frozen I still had internet.
I was following the suggestions on these forums to diagnose the problem.
Some suggested that it could be the RAM.
Coincidentally, the new 16 GB RAM that i had ordered came with the 246GB SSD just then.
As warranty ended already some months ago, I did the replacement with my dad who is an electrician and would know where to touch where not to.
The computer came back to life, super fast with the new SSD. I installed Mac OS X on it, set up the older HDD which I placed in place of the old DVD drive and started moving files around to configure my stysem.
after several hours the screen freezing came back again.
then after repeating the above steps of AHT (which took 2 hours), PRAM etc, it stopped starting up. It won't start anymore. Freezes in the early blue screen.
Just before new year's, I took it to Apple Service in a local store. They said they will have to look at it thoroughly after the 3rd (tomorrow). But the guy said the symptoms which I wrote above pretty much tell already that the logic board is dead.
Can it die in a slow manner like this?
It will cost me at least 750$ and I am not even sure if shipment and labor is included in this (I live in Cyprus). This is a very expensive price to pay for a relatively new machine for which I already paid over $2000 when I bought it 18 months ago.
I read Apple has a tendency to call all such symptoms a 'dead logic board' and just rip people off unfairly. I am aware this was mostly for 2007 and 2008 models but I worry they would still do it. I just spent my savings for the SSD and new RAM. So this is a major bummer.
What would you all suggest for me to try? How should I talk to the Apple Service guys?
is it better to just sell this 'as is' and try to get a new or properly working pre-owned one?
Message was edited by: incagraphy

seems like I wrote too long and no-one bothered to read and reply
Sometimes some posts just seem to slip through the cracks... if you're taking your machine to an Apple Authorized Service Provider, and they simply 'reconnected' the logic board and you're still having problems, it sounds as if you need to get the logic board replaced. Since you're out of warranty and you, apparently didn't purchase the AppleCare extended warranty, the repair folks will charge you for a logic board replacement.
$750 sounds a little steep, but if that's what it costs then it doesn't seem as if you've an alternative but to pay the price. I don't know about Cyprus, but I do know that in the US there is an Apple flat rate repair pricing scheme in which Apple will repair anything on the machine for less than $350. You might want to look at the article and ask one of the managers about this program and whether or not you could get the 'deal'.
Good luck - sorry that you're having such a bad experience. Just let it be a lesson to always purchase AppleCare - particularly with Apple notebooks.
Clinton

How to send in for logic board / HD repair?

Not long before my trial AppleCare expired, my MacBook Pro started doing very strange things, freezing, crashing, making grinding noises, etc. After reporting the results of Disk Utility and a hardware scan to AppleCare, they gave me a case number and said that I most likely needed both a logic board replacement and a hard drive replacement, and that if I had further trouble, to take it in for repair.
Well, the local Apple Store's Genius Bar has been entirely booked up for two days now, and as my AppleCare trial has expired (though I'm under warrantee), I can't call Apple about it.
Can I simply walk in and drop it off? Do I mail it to Apple myself? I've never had to send a machine in to Apple, but it's seemingly not as straightforward as I thought.... how long might I expect my turnaround time to be?
MacBook Pro, 2Ghz Mac OS X (10.4.7) {dying fast}

... as my AppleCare trial has expired (though I'm under warrantee), I can't call Apple about it.
There's really nothing "trial" about it, although I can see how it could be perceived that way. What expired was your 90 days of free phone support for any issue with your MBP, but since, as you know, you still have a one year hardware warranty, you still have free phone support for warranted hardware issues.
See Is phone support and warranty service free? for details.
As Kappy indicates, it's a very straightforward process. If Apple determines that you do have a hardware defect, they'll arrange for a shipper to drop off a shipping box and take it away when you've packed your MBP, and then they'll ship it back to your door when the repair is complete.

Can logic board be at failure if I can boot the machine?

My 8800GT went kaputt (screen jagged up and crashes during boot under OS X) so I replaced it with GTX285, which only worked for 2 hours and then machine shut down and didn't power up again with 285 in. But I could still power up AND boot Windows with 8800GT, even if the screen is all jagged up. (Mac OS X doesn't boot, it crashes during boot with 8800GT).
I take it to the apple store in France/Lyon and they tell me they think it's the logic board which has failed. They'll order one, and try, and if it works, I pay, if it doesn't I don't pay.
I told them that the logic board couldn't have failed since the machine boots into Windows without any issues, and I can use the machine on Windows. It recognizes both CPU's and all the RAM, I even did a Geekbench test in Windows.
What I suspected was Power Supply but they said Power Supply is fine. But checking power supply is a long procedure, almost takes an entire day to watch and record all the voltage outputs. It's not a simple task, which I highly doubt they did.
Now, my question is, Can a Mac Pro boot into Windows and be usable with a failed logic board? Have you ever heard of such a thing? I could even use that machine in Target Mode from my MBP. 99% a working Target Mode means all the I/O on the machine is working perfectly fine.
Message was edited by: iBug

Bowker, yes within limits the slot loading logic boards (350 - 500mhz) are reasonably interchangable. The 600 and 700mhz ones don't seem to fit in slower machines, due to a different shaped heat sink on the video chip. Why are you swopping? You will not notice much difference between a 400 and 500mhz, I swopped between a 350 and 500mhz and honestly there's very little difference. Three important things if you do decide to go ahead.
1 make sure that this board works before purchase
2 replace the PRAM battery while you have your iMac in bits
3 if you are going to run OSX, make sure that the new logic board has been flashed with the 4.19 firmware.
hope this helps
Andrew Platt

Sourcing and fitting a logic board for my crocked ibook - any tips?

hi
like quite a few others, it seems, the logic board on my g3 ibook 14.1in has passed away. i don't have any apple care coverage, and nor am i covered by the logic board extension repair programme (though quite why, no one at mac was able to explain to me). so begins the hunt for a new or second-hand logic board which i'm (gulp) going to try to fit myself.
if any one had any tips as to where i might get a good deal on the correct logic board, i'd be very grateful. also, am i mad to try to fit one myself? my tech-literate IT genius of a brother is actually going to be wielding the scalpel, while i pace up and down beside him. and i have found a guide with pix on the net - but any encouraging words would be very welcome...
thanks
mike
G3 iBook 900mhz 14.1in Mac OS X (10.2.x) got an emac too...

hi
thanks to you both for your help. here's what happened in the end...
i phoned customer service twice to try to persuade them that my ibook ought to be repaired under the logic board extension repair programme - i was told on both occasions that it didn't qualify. so i tried a third time, for luck, and it worked - the computer was repaired for free under the programme. i'm just going to pick it up now.
seems to me that the customer service team isn't quite au fait with the qualification criteria as detailed on the programme's FAQ, so it's worth being patient with them. in my case, i think the fact that my computer was a refurbished ibook threw them - it had a serial number beginning RMxxx, not UVxxx, but it did fall within the models specified for the programme, a fact which, eventually, was acknowledged. the result is that i've saved myself at least £500.
mike

Macbook Pro mid 2010- Logic board not working

Hi,
Can logic board of Macbook pro mid 2010 damage in switch on and off or while loading OS mountain lion?
Can you give solution.
Regards
Sudesh

If you have tried a variety of devices on both USB ports, and they all work on one and not on the other then the best option is an appointment at an Apple store genius bar. The evaluation will be free regardless of warranty status.
Ciao.

We just had our logic board replaced on our G4 2005 model is this common?

I have done some looking and seems the older G3 and G4s had this problem so maybe ours was a rarity. Also in my research seems apple came up with a separate coverage so do we need this in addition to the applecare extended warrantee?

I have done some looking and seems the older G3 and
G4s had this problem so maybe ours was a rarity.
Also in my research seems apple came up with a
separate coverage so do we need this in addition to
the applecare extended warrantee?
Wow! Didn't know I would be bashed for being consise. It is a G4 ibook we bought it Oct. 2005, (this is b/c I noticed in other posts that the G4 ibook date back to 2002). Not sure how else to put it as it was in my post earlier, "we just had our logic board replaced on our G4 ibook (which is stated in the original at the bottom corner as the brilliant apple people have designed to keep these consise) 2005 model is this common," then in the message it goes on to say that I have found other posts and other sites that have people typing about having to have their logic boards replace/repaired 2-3 times, ie this example below.
RE: logic board
Posted: Nov 7, 2005 11:40 PM in response to: Douglas Oconnor by Ronda Wilson
Douglas,
Apple didn't knowingly sell faulty goods. Once the problem was identified, Apple stepped up to the plate with the iBook Logic Board Repair Extension Program (which is not a recall — they are being fixed when and if they fail, but have not been recalled), and your iBook still falls under the three-year plan.
If that is not satisfactory to you, please take the measures I outlined in my previous post to you.
Sorry to not be more specific in the first post, I figured since my search brought this issue up immediately someone out there would know about this.
And to the second response, no I don't have a clue the difference is, that is why I bought an apple, suppose to be easier for those of us who are computer challenged.

IPhone 5S 32GB Logic Board Repair

So several months ago I attempted to repair the cracked screen on my black 32 gb iphone 5S on my own. It did not work out. I ended up breaking the logic board and now the phone is basically unusable. I've been using my iPhone 4S for the past few months and it ***** so bad. I just want my 5S back but now apple won't touch it and no one offers repairs for the logic boards on the 5S that I can find. Anyone know of a solution or someone who offers the service. Because I can't stand the crap battery on the 4S and I miss my 5S I had only had it for like, 2 months.

I know of 2 services that repair logic board damage depending on your issue and your location in the U.S. One is eDigitalNY which is on the east coast and offers their repair services on eBay in addition to their website. They guarantee their repair work. Just ship them the logic board (shipping to and from is included in the repair cost) and they will fix it. If for some reason your board is "toast" and can't be fixed, they will refund your money. The second option on the west coast is The Repair Stop. Like eDNY, all repair work is guaranteed. TRS is a bit pricier but they are the go to guys for water damage repair, an area of repair from which many others shy away.

Where can i buy a NEW logic board for my macbook pro 2012?

My video card has recently failed, in this model video card is sticked to logic board.
Does anyone know where i can buy a NEW logic board? Its a Mid 2012 MacBook Pro

"Where" questions are more easily answered if you give your approximate location. Especially important if you live in the US because there is a low-cost repair option for which you can ask.
If you are out of warranty and you live in the US, the most cost-effective solution is a depot repair. Instead of fixing the computer in an Apple Store, it is sent to a central refurbishment center and they fix anything that's wrong (other than damage to the case and/or display) for a flat fee of around US$325. It takes about a working week but it is worth it. All the posts here from people who have availed themselves fo this option were glowing.

Can you tell if it is a display problem or logic board problem

I have a 17 inch aluminum mac book pro. I bought it from a reseller on ebay in February. Recently I have been having some display issues. It has taken it longer and longer for screen to come back on from sleeping and the other day it did not come back on at all. I thought it could be a faulty graphics card because it is one of the models that has the faulty card in it but when I took it to my local mac authorized dealer they said that because there was damage to the hinges of screen, they thought it was a display issue and suggested I get a new screen for upwards of 900 dollars. While testing it they plugged it into an external display and the screen turned on for a few seconds. When they closed it, it did not come back on. Back at home I did a similar test and plugged in an external monitor and it worked for a while but as soon as i turned i closed the lid the display went off again and now I cant get it to display even when connected to external monitor. WHen i turn it on i can hear the chime and i can control the volume and keyboard brightness. My question is whether this is a simple display issue, a faulty graphics card issue, or a logic board issue? Please help me. I am going to fix the computer either way I would jsut like to know if it is a screen issue that I could replace myself.

If the Macbook Pro was made between 2007 and 2008 it maybe the Nvidia issue.
I suggest you take it to an Apple center and have them run the test.
The damaged hinge should not affect the test, I would think.
Be warned though, just because you have exactly the same symptoms does not mean it will fail the test or more importantly, if the test does not generate a fault code, Apple will not repair.
Did this start after the 10.5.7 update and more importantly did you run the SMC 1.3 update as well?
If you can get the machine to start properly, deleting the /var/vm/sleepimage seems to eliminate the symptoms of not waking. Before you delete is take note of it's size.
It's my opinion that this file also caused the machine to hang after the SMC 1.3 update when the lid was closed the first or second time. The machine then continued to run generating lots of heat. You may not have noticed and just found the machine with a flat battery one day.
If that is the case, damage is done and the symptoms are the same as the Nvidia extend warranty issue except not covered!

My Powerbook G4 died of logic board failure can you help or advise me ?

On Christmas eve I was working on my 2 year old 12" Powerbook G4, I got a notification that the battery was low so I thought lets save my work and drain the battery. It was a good idea at the time because I've heard its sometimes good practice to completely drain the battery and give it a fresh charge ? so the machine finally quit and before going to bed I plugged it into the mains to charge, immediately I noticed the power cord connection to my mac turned green and not the amber I expected. This powerbook has travelled the world with me over the past 2 years so its been a little buddy and I was alarmed to see this happen ? I waited 20 minutes guessing that there would be sufficient charge to wake the machine. After hitting the power button there was nothing !!! no click, chime or indication that he machine was in any way operational.
I tried cleaning the battery and touch points in the machine, I even tried my spare battery in the machine and everything I could to wake the machine. Nothing worked. I was pretty annoyed to be honest, its in perfect condition, no dents scrapes and it was always maintained and well ventilated etc.
On December 27th I flew to Irelands official Mac repair centre here in Galway as I needed it fixed ASAP and I was very concerned about loosing all my work and the physical machine itself. Five days later I called to see if there was a update, the representative explained to me that it was the logic board in my machine and that it was damaged and I would require a new logic board if the machine was to ever successfully boot again. The bill in total would be €670 inc. parts and labour and unfortunately Apple will only guarantee the new logic board for 3 months and after that I'm on my own. Sadly when I bought my machine (in Australia)I didn't take out the extended cover on the machine because it seemed quite expensive at the time and I knew I'd take good care to maintain and upgrade the machine as necessary.
The update I received from the official Apple repair centre was that there was no evidence of any water damage, dust or physical damage and there was no clear explanation as to why the part "just gave up"! The representative was very helpful and removed the hard drive for me, placed it in a external (USB)enclosure and sent it back to me so I did manage to save my work but still Imp very disappointed with Apple that I only got 2 years out of a machine that's become a daily tool to me.
I wanted to post and see what other people have done in this instance, luckily I'm fortunate enough to be able to purchase a new Macbook 2.0ghz to replace my machine but that's now costing me €1519 just because the Apple hardware was well quite frankly crap ! What I would like to know is - does this happen often, is there recourse to go back to Apple and is there a cheaper way to fix my poor Powerbook http://www.flickr.com/photos/bfitzsimons/215516415/ ?
Many thanks in advance for any advice you can give me
Brian H Fitzsimons
Dublin
Ireland

Hi Brian.
In the UK we have some degree of consumer protection (Sale of Goods Act) for situations not too far from yours. Basically we, as consumers, have a right to expect goods that we purchase to be of a certain standard of quality/reliability. The SOGA provides up to six years of protection, unlike the standard one year warranty many manufacturers offer - which, to some degree, renders extended warranties unecessary.
However each case is different, and consumers will get different mileage depending on their individual circumstances but it is not uncommon for consumers to have successfully obtained repairs, replacements, or refunds using the SOGA - although they will have had to be prepared to argue their case.
Perhaps you might want to check out what kind of consumer protection the Republic of Ireland offers. At the very least, there is probably an EU equivalent of the SOGA which will cover the ROI as well.
NB: I've just re-read your post and realised that you bought the PowerBook in Australia - which probably disqualifies you from any EU or ROI consumer protection. That said, it may still be worth your while to find out what kind of consumer protection is available to you for future reference.
2.0GHz MacBook, 15" 1.25GHz/12" 1GHz PBs, 2xPPC Mac minis, 12" iBook G4, Mac OS X (10.4.8) Cube, 2xTAMs, iPod 4G & nano 2G, 1G & 2G iPs, AEBS, AX

Can a faulty logic board kill a hard drive?

Could Apple's faulty Logic Board be the cause of my iBook's HD demise?
I have an iBook G3, Power PC 750 @ 800 MHz, running Mac OS X 10.2.1. A year or so ago I had to send it back to Apple to get the logic board replaced because the one they originally put in was faulty. Since getting it back, the iBook's not been the same -- frequent crashes, failed start ups, Desktop folders displaced upon start up, etc., ad nauseam. Disk Utility showed no problems when I'd run the repair procedure. The Hardware Test CD that shipped with the iBook showed no problems either.
Last week the iBook nose dived. Desktop folders were scattered, software programs weren't functioning correctly, and I couldn't move and/or trash folders. I ran Disk Utility again which now reported "Invalid Node Structure." It began rebuilding "B-Tree Catalog," subsequently reporting the disk was repaired.
Upon restart, the symptoms worsened, and within an hour my hard drive no longer mounted. Using the install CD at start up (holding the "C" key, of course), I'd get the flashing question mark, then the screen would flash, then I'd get the prohibatory sign, then after a little bit the CD would start.
Under Disk Utility my HD showed up as a generic Media, ATA, internal, Master something (whereas before it was a Sony something or other with one volume listed beneath). Nor could I re-install the OS X software because my HD didn't show as a destination disk.
I performed all the start up key commands offered as solutions in these forums and elsewhere (pram, nvram, power unit reset, safe mode, single user mode, verbose mode, open firmware ala mode). Open Firmware would not show my HD when using the command to list the directories. I even got creative but to no avail (BTW, "fix-this-expensive-piece-of-junk" is not a valid Open Firmware command). I even took out the additional RAM chip that shipped with the computer. The problem persisted.
Then I drove 2.5 hours and dropped $100 for DiskWarrior. Another 2.5 hours later DW was a "No go". Starting from the the DWarrior CD (holding the "C" key, of course), I didn't get beyond the "prohibatory sign." Alsoft's tech support Rep was very responsive, and offered various suggestions (thanks Marc!), and he finally concluded that there is an obvious hardware problem with my computer.
I have no other FireWire computer running Mac OS X to use as a host to target my iBook (I have an iMac maxed out running 9.2.2 -- had to resurrect it from the dead as well - whole 'nuther dilemna!). So, I bought an external FW drive, installed the 10.2.1 software that shipped with my iBook, and ran DiskWarrior from there to fix my internal HD. Nothing. The HD doesn't show as a repairable drive. Obviously it's toast - burned, baby, burned.
So I figured I could at least use the external drive to run the iBook. I then installed all the software from the "restore" CDs, rebooted, only to enjoy screens full of fine gray lines, and frozen screens, and screens of green and red and blue and purple and yellow lines. YUM!. This is the same junk that Apple supposedly fixed by replacing my logic board last year.
My iBook is again useless, and six months beyond Apple's Logic Board Replacement Program's "3-year from date-of-purchase" criteria. Frustrated beyond explanation, I'm beginning to regret my decision to "Think Different."
I apologize if this post comes across as a rant. That's not my intention. I'm very disappointed, and I wanted to detail my predicament thoroughly as to eliminate the "did you hold the 'xyz' key" responses. Trust me, I read and tried them all.
All this said, I iterate my question. Could Apple's obviously faulty Logic Board be the cause of my iBook's HD demise?
Also, is a Logic Board something I can purchase and replace myself?
Thanks for your time.

Hi, and welcome to Apple Discussions. I'm so sorry to hear of your troubles.
Truthfully, I would question whether the iBook with both a dead hard drive and another bad logic board is worth the cost of repair.
My hard drive acted up when my iBook G3 800 Mhz came back from its second logic board repair. I invested in DiskWarrior, and it brought it back a couple of times, but, ultimately, I had to do an Archive and Install to regain use of my computer. That was in July of 2004, and it's still working fine (knocking vigorously on wood).
It is my belief that sometimes the trip to and from the repair facility for the logic board repair involves too much jostling for the hard drive to tolerate it well.
If you really want to get it fixed instead of buying a newer portable, I would recommend that you check out DT & T Computer Services in Fremont, California. They do free diagnostics and will do the repair on the logic board for about the same amount you would have to pay to just buy one. They also do hard drive replacements/upgrades (scroll down on the page). I would ask for a little bit of a break on the installation fee for the hard drive if they have it open to repair the logic board, anyway. DT & T also gives a six-month warranty on the repairs.
Good luck!.

IMac G5 (2004) logic board and the repair extension program

Hi,
I know that there are tons of topics about logic board/power supply troubles witht the first generation G5s, and I'm sorry to start yet another new thread, but I still have some questions about this issue.
I have a first generation iMac G5. Long story short...when I first got it the computer would shut itself off sometimes after I had put it to sleep. When I would try to restart nothing would happen, but usually letting it sit unplugged a while would solve the problem (occasionally when I'd restart a different start up noise would sound and the white light would flash quickly). It happened so randomly, that I just lived with it, blaming the problem on my dorm network, or a power failure. A few days ago I tried to start the computer up and nothing happened (just a VERY faint sound like a clicking or ticking or intermitant humming...definatly electrical sounding). I unplugged it overnight, but the next day still nothing. I decided to go through the troubleshooting steps Apple lists online. The internal power button could not start it up and the second LED does not flash, which according to Apple means the logic board needs replacing. Luckily my serial # is covered by the Repair Extension Program, and I'm bringing my computer in tomorrow morning to be fixed (just in time for back to school).
I have become concerned, while browsing the discussion topics, that this fix may not be permenant. I've read a few posts that claim that they are on their third Logic Boards, and this kind of scares me. My parents bought me the computer (our family's first ever Mac) and did not purchase the AppleCare extended warranty (they had heard how reliable Macs were...hmmm.) I didn't even know that I could purchase AppleCare after-the-fact until it was several months after my 1yr warranty expired. I do appreciate the fact that Apple recognized what seems to be a common problem with this generation of iMacs, but I wonder why they did not contact the owners of these machines to let them know that the problem and repair extension even existed.
So I guess my real question is...Does anyone know if, after this repair Apple will replace the logic board if it dies again? Is there a limit to the number of qualified repairs you can get through this Repair Extension program? Also is there any other Extended warranty type thing I can purchase after my 1yr. warranty is up.
Sorry the post is so long...I'm just scared about the fate of my beloved Mac.
iMac G5 (2004) Mac OS X (10.3.9)

Oh man, am I actually relieved reading this thread. Just took my baby (iMac G5 first generation) in for repairs today, not knowing what was wrong with it. Luckily my serial numbers are in the range, so I'm crossing my fingers that they're going to cover this.
Brief synopsis of what happened, in case it differs from anyone else's
About a month ago, my iMac started to not wake up from sleep mode. Instead of waking up, it would just shut itself off. This continued for about 2 months, with me thinking nothing of it. Then, instead of shutting itself off, the computer would restart when I attempted to put it to sleep.
Then, last night, I was surfing the net and all of a sudden the power just failed. No noise, no "grey screen", we're talking like a millisecond later the screen was black. I treid unplugging the machine and then plugging it back in while simultaneously holding the power button to reset the PSU and still nothing. At that point it was about 1:30 in the morning, so I just went to bed not wanting to deal with it until the next day. By the time I woke up, there was a distinct smell of electrical components burning (in grade 8 shop class we used to hook up resistors to the voltage generator and crank the juice up until they fried when teach wasn't around, so I distinctly remembered the acrid stench :P)
I opened the back up and did the LED check, and #2 wouldn't even blink. So I took it in and they said they'd have to get back to me and that's where I stand now.
The thing that concerns me is that if some of the components fried that there may be possible damage to the motherboard etc. Luckily I'm not too worried about the hard drive because it did still boot up and all. People that have experience with this, what usually happens with files on your HD after a logic board replacement? Are they usually fine?
The other thing that concerns me is that apple has made no effort to contact me, and it will be 2 years after the purchasing date come November 1, 2006. I'm lucky that I caught this now before it was too late.

Can I buy a new Logic Board for an iBook G3 700 12"?

The Logic Board in my iBook G3 700 12" just died. My local reseller says it doesn't qualify for the replacement program.
Anyone know where can I get a NEW Logic Board for my iBook?
I don't like the thought of buying a used on on eBay and having the same problem 6 months from now.
Thanks!
Awfers

Hi, and welcome to Apple Discussions.
Yes, but the best place I know actually installs it for less money than they charge you for buying one outright:
http://www.dttservice.com/ibookg3.html#ibookrepair
They offer a six-month warranty, which is better than most places (including Apple's own 90-day warranty on repairs).

Where can I purchase a Logic Board for a 24" Apple Cinema Display?

My 24" Cinema Display started to flicker and black out shortly after I purchased my most recent MacBook Pro. Apple felt that the issue was the MacBook Pro so they replaced it. The problem continued so they suggested I take the Cinema Display to the Genius Bar. The display was out of warranty and the Apple Genius felt the issue was a bad display even after I told him I smelt silicon burning just before it went out completely. He said that he could "depot" the unit and have it repaired for ~$600. Due to the high cost of repair, I chose to purchase a new Thunderbolt Display instead. Recently, I opened the old Cinema Display and found that the Logic Board is fried. I have ordered a new board from 2 different Web retailers. Both accepted the purchase as "in stock" but then stated they could not get the board from Apple. Where can I purchase the Logic Board for a 24" Apple Cinema Display?
Many thanks!

I was very interested to read this document. I think there is a problem with the Cinema Display and that it is frying the computer.
My husband bought each of us a macbook pro. His was hooked up to the cinema display. After about a year, his MBP started to suffer intermittent failures where it would suddenly shut off and have to be hard rebooted. After 2 years, the power or logic board on his MBP completely failed. He bought a new MBP and a Thunderbolt display, and I inherited his Cinema Display for use with my original MBP.
After one month of use with the cinema display, my MBP started to have the same problems. It has to be hard rebooted almost every time I disconnect or reconnect with the cinema display. I went to the Genius bar, and they confirmed that my MBP logic board needs to be replaced; I'm just holding out until spring break to take it back in, as they say it may take a week. Fortunately, I have AppleCare for my MBP.
Our cinema display is 3-4 years old, but it looks like, even though it appears to be working, I should probably get rid of it. I can't keep frying computers!
I'm posting this because I'm wondering how many others are experiencing this problem.

Can Logic Boards be Repaired?

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