Have a blown logic board...

Well i dont have it yet, but i was just wondering, how easy is it to fix blown logic boards.
From the picture i have seen it looks like a resistor near the processor.
its a g4 1.33ghz board, and the blown one is just below the "G" where it says thermal gasket.
Cheers for any help
(oh im in uk in case going to suggest people to take it to)

If you can do component-level board soldering -- or can find someone who can -- then it might be possible.
Generally bad boards are just swapped out and repaired who knows where by specialists in fixing this sort of thing.
Hope you aren't paying much for this.
Keep in mind, that if one component goes, it can easily take others with it.
IMHO it seems unlikely that it is a resistor that is blown. Usually it is capacitors that "blow".

Similar Messages

TS4088 I have changed the logic board in Apple genius bar

I have changed the logic board in Apple genius bar after updated to 10.6.8. Updated to 10.7.2 but now way BSOD never solved except after changing the logic board.
Can I update to 10.8.3 or as I read in the communities, the BSOD will return again? If it happens, I guess Apple will not change it to me again.

I am also on my forth hard drive on the same model.
When I unpacked the computer, the hard drive did not include OS X either. Actually, it was completely blank. Did not even have a partition table! I have also had random problems with the machine not charging.
I have replaced the drive myself with an SSD after figuring the Apple Certified technicians were incompetent. Now even the SSD is starting to fail
I have bought an HP laptop and setup Ubuntu on it. Hope it turns out better than my previous four various Mac models. All have had various repeating hardware issues that Apple Certified technicians have been unable or unwilling to correct.

I am looking to upgrade my macbook pro 13". I have a new logic board and have searched for the spec on this i.e. hdd size and ram. will my 2009 screen work with a updated graphics card ??

I am looking to upgrade my macbook pro 13". I have a new logic board and have searched for the spec on this i.e. hdd size and ram. will my 2009 screen work with an updated graphics card ??

Sounds just like what was happening with my Alum MB. I took it in and they replaced my battery. It seems to be ok now. I don't know what it is, but my battery was fine before 10.5.6 and the same timeframe of the firmware updates when they came out.
My battery health was jumping around but was fine before all of this happened. Unfortunately at 381 cycles I don't think you have much chance of getting the battery for free. Perhaps you can complain about the battery saying it was fine until 10.5.6 or whatever. Not sure when your computer was made, but perhaps you are eligible for this program: http://www.apple.com/support/macbook_macbookpro/batteryupdate/

I have a new logic board and fce is asking for my serial number from packaging , which has long gone- help?

final cut express
I have a new logic board and fce is asking for my serial number from packaging , which has long gone- help?

Without the serial number your FCE disc is useless and nobody here can help.
Your only chance, if you have the receipt or can prove your purchase is to contact Apple and hope they may be able to help.

PM G3 AIO Blown logic board?

Hello everyone. I have a Power Mac G3 AIO running OS 9.2 that I upgraded from 233MHz to 300 MHz Apple orginal processor by exchanging the ZIF processor and resetting the jumpers. It was working very well and I should have been happy with it. But then, I decided to upgrade it to a 400 MHz ZIF original Apple processor and also reset the jumpers for the 400. But at the same time, since I had the logic board open, I also installed a PCI USB card. I then pressed the reset button on the logic board. Then, when I powered it up, nothing! I mean there is power running through the machine but no startup chime, no monitor, just the onboard fan running. I tried resetting the PRAM, but still nothing. I tried going back to the 300 processor but nothing. I have not tried going back to the 233, should I try that? Did the logic board fry when I did both the 400 processor AND the PCI card at the same time? Please help!!! Thanks.

First step- don't panic. You don't seem to be.. that's good =]
Allen's covered most of the bases. You also might want to consider a PRAM zap (or, in this case, maybe a new PRAM battery).
First thing's first, though: Take out the USB card. Is it a Belkin? They've been known to be problematic... Allen got more specific with chipset, which I don't really know about... I guess Belkin maybe uses those, then.
Now, when you went back to the 300 MHz CPU, did you remember to reset the jumpers? If not.. well, no matter what you do, odds are you aren't going to be able to get a 300 MHz G3 to boot at 400 MHz.
A 400 MHz original ZIF would belong to a B&W G3 processor; they have a 100 MHz bus speed. I don't remember, and I seem to recall them working just fine in Beige G3s, but maybe I'm misremembering and they don't operate on a 66 MHz bus? I doubt that's the case. But perhaps.
Anyway, as Allen said, try seeing if you dont' need to reseat your "Personality Card" in its PERCH slot (the brown one on the right of the PCI slots). Recheck the ZIF's seating.. and also, don't forget to make sure you've put the heatsink on the right way.. if you put it on backwards, the piece of metal that holds it down isn't tight enough, and results in overheating.
I think you also need to hold down the reset button for at least 30 seconds (or is it 60..) for it to take effect, though I don't imagine you'd really need to.
Anyway, remove the PCI card... reseat the ZIF, making sure it's really in, make sure the jumpers are right, and make sure you didn't accidentally knock loose any cables (unlikely, but not impossible); this includes ATA and power cables.
If none of that works, try taking the PRAM battery out and putting it back in.. this effectively clears it. Or, if you don't care about your system date (don't mind resetting it.. takes a minute or so) and don't care about thinks like the total #hours your computer's ran, its manufacture date etc, just do that first thing.

Have you had logic board replaced?

Hi,
I am wondering if any folks who have sent their MacBooks in to get the logic board replaced (and received them back) could comment on the effectiveness of the replacement.
I have been reading the boards avidly (as my MacBook is off in repair-land awaiting a logic board replacement) and noticed that some folks have been speculating that the logic board replacement won't fix anything.
Could someone who has had a logic board replacement report on the effect? Did it fix the problem? (Note: my issue is/was that the macbook refused to turn on anymore after 3 weeks of problem-free use)
Thanks!

About 8 hours after receiving it, my MacBook would not turn on. Called AppleCare and was told to bring it into an authorized service depot. Diagnosed as a faulty logic board, it was replaced and it's been fine ever since. 2 weeks and counting...
MacBook 2.0 GHz Mac OS X (10.4.7)

Why is my MBP serial number and model year no longer displayed in "about this mac" (have NOT replaced logic board)?

I have not replaced or manipulated the logic board (or any other hardware) on my mid-2012 13 inch MBP. Under the "about this mac" tab, the serial number is no longer displayed (it now states "unavailable") and the model year is also no longer displayed. I understand that I can find the serial number and model year several other ways, I am seeking to determine why this happened and if it could indicate further problems.
Has anyone else experienced this?
Thank you in advance for any help or insight.
JB

Man oh man. What a day. New symptoms again!
Lets start with the MBP dying in its sleep. I closed my MBP and left it for a few hours to come back to find it completely dead. Looked into this issue and with the help of the activity monitor cleaned up some things, turned off some sharing settings, got rid of some extensions, etc. Seems to have solved this issue.
Later on, I picked up my MBP while it was on with my left hand and the same display (horizontal lines), freeze, auto shutdown happened. Out of curiosity I tried to recreate the symptom. Sure enough, pressing (with little force) on the left side of the bottom case caused it to happen again. I researched this a bit and found several possible culprits (bad logic board, metallic sticker may cause shorts, bad RAM bank, google drive). The google drive one really surprised me, I removed google drive (worked for many people) and it did not fix the issue. A buddy had some good RAM for me to use today so I swapped it out and had the same issue. Decided to test the individual RAM banks and it turns out that the deepest bank must be faulty. Running with only one 4 gig stick in the outermost bank and the freeze, shutdown, beep issue is gone!
So, it seems I have fixed the dying in sleep problem and have a temporary work-around for the bad RAM bank. The SN issue remains.
I am going to try to find out what could make a RAM bank be faulty and if there is a way to repair it.
What are the chances that all this happens as soon as I try to find out why the SN is unavailable??
Below is the thread that I found interesting and useful.
2011 Macbook Pro 3 Beeps/Freeze

Do i have a faulty logic board?

the screen on my powerbook displays bizarre patterns if it shows anything at all. If i boot the hard drive on another mac, it works fine. When the problem first occurred it happened once and then nothing for about another week. After that it would happen almost every 30 mins and gradually depleted in the time it stayed lit. At this point i started getting images like this:
http://good-times.webshots.com/photo/2700502750093507103rAwDZx
Any ideas what is worng?
ANd here is some more backgrond info
I used it all the timw, i rarley shut it down.
Model 12in powerbook g4 i got it around april 2004.
macbook powerbook Mac OS X (10.4.8)
macbook powerbook Mac OS X (10.4.8)

Welcome to the Apple discussions.
If you haven't already, you should run the Apple hardware test. Insert the first OS X DVD that came with your system (may say AHT Version x.x in small print), reboot and hold the option key down. Choose Apple hardware test and follow directions. Choose the extended test. If you have TechTool Deluxe or Pro it can do the same testing. Does it point out any issues?
If you have a video circuit issue, since the video circuit is part of the logic board, you'd be talking a logic board replacement.

Intel Imac with bad logic board.

The logic board on my 20" Intel Imac failed(according to the diagnosis form the tech at the Apple Store) and will require a $900+ dollar repair....a tad bit high considering it's age, the cost of the machine in late 2006 and the going prices of the new Imacs! Anyone know of a lower priced repair option or a way to salvage the machine, or is it now a very large paperweight?
I know that I apparently should've gotten Apple Care, but I've never had such a catastrophic Mac failure in the 12 years I've been dealing with the machines. Judging by the lines/wait for service at the Apple store maybe it's a good idea next time...although with all the problems the new machines seem to be having it seems a bit like extortion and maybe they should just raise the prices and include it.

I have a similar problem that I'll describe hoping that it will contribute to this discussion and I'll ask a couple of questions. In December 2007 I bought an iMac 24 inch maxed out for speed and RAM and with the 750 gig hard drive. I had no problems until about three weeks ago when on startup I got grey hash marks all over the screen. When I selected the entire screen the grey hash disappeared and the computer seemed to run normally. I thought the problem was software related and began the long process of trying to find the culprit. Then two days ago I connected a video camera to the iMac to test the camera for the first time. It's a loaner from my school and is five years old. It seemed to be working fine. I then turned off the camera but left it connected to the computer by the firewire cable and put the computer to sleep. THAT was probably a mistake. When I tried to wake the computer it would not respond. There was a DVD in the machine and when I pushed the power button I could hear the DVD player makes it startup sounds and could hear the CD spin. Also I could hear the fans come on but the startup BONG never sounded. I disconnected all cables, pulled out the power cord for various lengths of time from 30 seconds to ten hours but nothing changed. I called Apple this morning and was told it sounds like a blown logic board which is what I was thinking. They will pick up the iMac day after tomorrow. When I talked to the Apple person this morning it didn't occur to me to ask about my chances of getting this repair done for free since I'm still within the one-year warranty period. I'll call when they open tomorrow morning but what are my chances of getting the repair done free? I've been using Macs since the Mac Plus came out but have never had a failure within one year so have no experience with the warranty. I did not buy Apple Care for this computer and never have but I will the next time. Thanks in advance for any comments.

What's wrong with my drive? Dead Drive? ATA controller? Logic Board?

Hi!
I have had a problem with my iBook G4 1.33GHz for a while now. I've tried a few times to fix it and then have given up thinking replacement was the best option. I'll try to be brief but this saga has actually been going on for over 2 years.
The basic problem is that the computer finds the HD intermittently. The problem used to occur after the computer had booted and was on for maybe an hour. A friend of mine removed the drive and had it running in a separate enclosure for a few days. It seemed fine-all disk checkers like Disk Warrior checked it out just fine. He reinstalled the drive and gave me back the computer. Within a few days, it froze like before. Upon restart I just get the question mark folder.
That was almost 2 years ago. I've tried a few different things to see what was the problem but to no avail. Here's what I have tried:
-Booting into target disk mode-the disk does not mount.
-Booting from a CD-even if I hold down the C key, it prompts that this is going to be a new install and when I get to the screen to pick the volume, the HD does not appear.
-Tried the shim trick as indicated at:
http://coreyarnold.org/ibook/?p=20
Some earlier symptoms included video issues so this made sense.
-Took apart yesterday to make sure the drive connected well. It didn't work at first but later booted from hard drive.
-Since it booted, I restarted in Target Disk mode and ran Disk Utility from my iMac. There were some errors but DU was able to fix them all. Restarted iBook no problem.
-Ran Apple Hardware Test overnight in loop mode. After 18 rounds, nothing came up.
-Ran SMART Reporter and got green.
-Thought everything was ok so I ran Software Update. First round went fine. I ran it a second time knowing that some updates can be incremental. Upon downloading, computer froze and since then I am back to square one-no booting.
-Took apart today to see if there was any corrosion on the ATA chip as mentioned in this article:
http://discussions.apple.com/thread.jspa?threadID=2310290&tstart=0
as the thread mentioned a lot of stuff I was experiencing.
-Reassembled after finding nothing.
-Now the computer does not boot whatsoever-it tries to eject disk in optical drive and then nothing else-no sounds, no video, etc.
So what does all of this mean? I thought the earlier indicators were a dying drive but when my friend checked it out and found nothing, we were stumped. He actually suggested the ATA controller. The not wanting to boot from a CD really bothers me. What does that mean? I have never seen that in 20 years of using Macs.
Oh and if it matters, this computer was formerly fixed as it did have the dreaded logic board problem.
Any help would be greatly appreciated!
Thank you!
Brian

Hi again!
So this is with the new board? Was there sectoring of the lines?
If so that's the graphics chip most likely.
Yes. However, since this has gone on for a while and I never finished taking care of it, I can't remember all the details like sectoring of the lines.
The problem used to occur after the computer had booted and was on for maybe an hour.
So it freezes? That does sound like a GPU problem esp as it happens after an hour or so. (thermal flex causing separation of BGA)
Normally, yes. I have also gotten the kernel panic screen (You must restart your computer now). When it froze this morning, I had started to download a System Update. The clock ran, but I couldn't force-quit anything. What about the fact that the drive doesn't mount in Target Disk Mode?
You could pull the board and send it for reball.
I've also found a few boards on eBay that so far are less than the reball, but unless it was already reballed, then I run the risk of this happening again in the future, right?
Thanks again for your help!
Brian

Power Mac G5 DP1.8GHz - Bad Logic Board or Power Management Issue?

I have a Power Mac G5 DP1.8GHz/1.5GB/80GB which I bought non-working. It has not yet been disassembled or examined by a certified tech. This is it's issue (which replicates): the computer powers on. It makes a single warning tone, then the LED flashed at least 15 times (too fast to count). Then the posting chord is heard. Hard drive spins up. Then nothing (no video). Won’t boot from any disk. I have changed the RAM and tested the RAM banks with known-to-be-good RAM from another DP1.8GHz G5. The warning tone stopped once or twice after this switch, but then it didn’t chime. I changed the PRAM battery, but not with as new one. However, after installing the used one and then resetting the PMU, it displayed video briefly for the first time. While installed in the other 1.8GHz G5, the hard drive was formatted, given a clean install of OS X 10.4.11, and then moved into this computer where is never mounts. The computer is not accessible through TDM.
Do I have a bad logic board? Bad CPUs? A power managment issue? A RAM issue?

Through my own trial and error troubleshooting, I have found the CPUs to be in good working order and the logic board passes the Apple Service Diagnostic every time. Despite the installation of numerous pairs of modules that worked in another DP1.8GHz, the computer has a RAM issue-it gives the "no good RAM" tone most of the time when it powers up (after a PMU reset it does not). Also the computer boots from disk or into Open Firmware but the disk utility can't see either hard drive so I may have a bad SATA controller.

Macbook logic board, restart, exchange

hi everyone, as of last weekend, i became a happy owner of a black macbook....that is until when the weekend ended. that's when i discovered these forums.
unfortunately, i became a part of a 'growing minority' of ppl who have the random restarting problem, vertical lines, and sudden shutdowns. i spent all of last night researching this issue and found out two words that have become the kryptonite of macusers....logic board.
today i stumbled across some pretty interesting information about the logic boards. not sure about the source of the information but it's food for thought nonetheless. i had my macbook for 3 days until the random restarting started happening. prior to that, i had no problems with any whining, mooing or heating issues commonly associated to the early release of the macbook. i came across this http://news.softpedia.com/news/Apple-Acknowledges-MacBook-Whine-And-Offers-Logic -Board-Replacements-31384.shtml
which states: Apple is now providing logic board replacements for the whining MacBooks with the expected time for repair being ten days after the machine has arrived at an Apple certified repair center.
i'm not sure if these mooing machines had the restarting problem but if they didn't, the 'new' logic boards are in need of change once again. i think this is important b/c if this is the case, all macbooks in production will sooner or later experience the same problem that is plaguing the rather large minority of macbook owners.
so, i'm left with the dilemma of exchanging my macbook for a new one or just get a refund altogether. i've read that ppl who have got new logic boards were left with the same problem only a short time after words meaning the logic boards they are using to replace the 'faulty' ones are the same ones being used in production.
i'm not sure if this is a case of lemons or if every macbook is a ticking time bomb. if i'm not mistaken, it was only released in may.
i have a week 27 black macbook. failed after 3 days of normal use. i just don't want my second machine to crap out on me on the 15th day and have to worry about repairing it indefinately. thoughts?

I have what I can only describe as a lemon. It discolored, trackpad button broke, and whining started within a month of owning it. After 3 weeks in repair, it came back without having the logic board replaced, which was supposedly the reason it was on hold for 2 of the 3 weeks.
At this point, I called AppleCare, talked with a guy, and ended up going into an Apple store 2 hours away from my home, and instead of fixing it on the spot like the AppleCare tech said they would, the "Genius Bar" techs kept it for a week, waiting for a logic board that they would actually PUT IN the unit this time around.
It just came back yesterday, and had the same whining problem. Apparently, replacing the board did nothing at all. I just decided to go with QuietMBP at the expense of some battery life to keep things quiet (10% false bottom on CPU activity at all times)... Chuggin' along just fine for a day, then just a few hours ago, it started to randomly shut off. I turned it back on a few times, but it would turn itself right off again. The unit was **** hot, too.
I ran a diagnostic and it turns out a fan failed on the logic board. Hence the auto-shutting-off due to high temperatures. Fantastic.
To summarize: I had the MacBook for 1 month, sent it back for repairs for 3 weeks, got it back (w/o a whine fix) for 2 days, left it at an Apple Store for 1 week, got it back (w/o a whine fix) for 2 days, and now a fan is dead. To top it all off, one of the Geniuses at the Apple Store said I failed their memory test, so my 3rd party RAM is bad as well.
Suffice to say, I am going to attempt to get a replacement, since a refund isn't do-able as I already spent more than $500 in software liscenses for Mac-only software...
You're not alone in your woes.

Where to find info on Logic Board Ext. Warranty!!! Imac G5

Hello--I own an early IMac G5 and have had the logic board fixed twice using the ext. warranty for power/board issues, now my computer is unusable again showing same signs, and I can't find information directly from Apple now showing this warranty info including serial no. ranges. Without that info, the repair store had no idea my computer was still under warranty and I'm sure they'll need proof of it again. Problem is I believe warranty extended to a max of 3 yrs. from purchase date which is end of this year 2007--any help in directing me to page for info or even posting info here would be greatly appreciated. Thanks in advance and happy holidays,
James
Boise

You have found the correct information, but make sure that you call quickly and get a case number. The repairs themselves will be guaranteed for 90 days, which in effect, extends the warranty by that much. If this is the third occurrence of the problem, I would ask for a new computer - be polite but firm, explain what you have been through, and see if you can be passed up the chain till you find someone with enough authority to authorize a new machine.
Let us know how you make out,

New Logic Boards are eating up my eligable computers

I need some help, I have had two logic boards fail on my laptop, both replaced by apple under warranty, so that is all fine, but each time that has happened it has used up one of my eligible computers for my iPhone. Any way around this. Thanks guys.

Copied from iTunes Help.
If you forgot to deauthorize a computer you no longer own, you can deauthorize all your authorized computers at once. You can use this method once a year.
Choose Store > View My Account, and then click Deauthorize All. If you don’t see this option, it’s because you don’t have five authorized computers.
You can't do this until you reach 5 authorized computers and there is no reason to be concerned about this until you do.

G5 Logic Boards

Hey guys. Long story short here. A while back, I had my logic board replaced in my G5 iMac with what turned out to be a defective logic board. After one issue after another, it's out of warranty.
Around the time I purchased my iMac, a recall was put out on logic boards and power supplies, which can be found here http://www.apple.com/support/imac/repairextensionprogram/
Although I purchased it in the given time frame, the serial number on my iMac does not fall in the given range. No issue there, since it doesn't have its origianl logic board. What I'm wondering is if its possible a defective logic board from that range was inserted into my iMac. I had it repaired at a certified repair facility, although not an actual Apple store. Has anything like this ever happened and if so, is there a recall on the boards specifically? The reason I wonder is my iMac was suffering from similar power issues. Obviously, I would rather avoid having to pay for defective board that was meant to replace my broken one. Thanks.
G5 iMac Mac OS X (10.4)

I too have had the same issues (see my rant yesterday). I am getting ready to throw in the towel. The best part is that many software vendors, mindful of the fact that folks will swap out ocmponents such as hard drives, peg their authorization to the motherboards (serial numbers). So the fun only just begins ......
When I get my mac back with a new logic board, I will then have to "reauthorize" all of those programs and "deauthorize them first on the old logic board. If I am not mistaken, you should deauthorize your iTunes music as well or it may be counted as multiple machines.
Question is - when do you throw in the towel and call it a paperweight. I had a Dell - I couldn't kill it - crappy Windowz OS and Software but rock solid.
This is my first experience with a mac - more lemon than apple frankly. Apple has probably lost a significant amount of the original profits they made on this series , so they have an incentive to fix it moving forward. Let's hope so. This is the worst QC experience in all my years of computing. Even my old Gateway 2000 didn't act like this. I love this machine, but at the end of the day - I just need the thing to work. Looks nice, sleek sexy design and all - but if I can't use it.
BTW - going on third power supply. It's the late 2004 / 2005 first generation iMac's. Now I have learned. Wait ..... just like in software ...don't but 1.0 of anything - lesson learned - the hard way

Have a blown logic board...

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