Logic board failiure suspected, next step advice needed

I've had an iMac for about 6 years now. It's an early 2008 edition running 2.66 ghz intel core 2 duo, 2gb 800 mhz (i don't know how much of that is important, i've just copied down what I had available). I had it for a year when it suffered a hard drive failure which was subsequently replaced (i think, could have been repaired).
Lately i'd been having a few problems with it. The screen came up with a checkered green pattern which took a safe mode reboot to get rid of. A graphics card failure said the internet, but it only happened once. This probably should have made me take more notice. The mac in general has been... Off it's game so to speak. DVDs wouldn't register and would get spat out, or they would crash the player in the middle of a film. Quicktime would freeze every so often, and it would cause other programs to freeze up as a result. I took a massive amount of files off, deleting them or moving to an external drive. I was getting things tidied up enough to do a backup (which i freely admit I have never done, because i am an idiot) when waking it up from sleep resulted in a plain black screen, nothing else. I shut it down. Turning it on this morning and whilst I can hear the fan and the drive start up, there is no chime and the screen remains black.
I've tried a PRAM startup and SMC but neither have worked. I don't have an external monitor to try checking anything as suggested on some websites. So I assume I'm looking at a failed logic board. It doesn't look like it's something that can be fixed easily, so my real questions are less of what do I do now, more what are my best options?
Do I try and get the board fixed or replaced? How much is that going to cost and would the other issues i have had be related to it, or another thing that would need fixing (like the graphics card)?
I'm still operating on 10.5.8 and i'd need to buy at least one middle OS in order to upgrade to the newest version. Would I be better off buying a new imac? It's a horrible analogy, but do i "buy a new car, or try to get by replacing the engine and parts all the time". My nearest Apple store is smack bang in the middle of the christmas shopping central, so getting there is a bit of trouble right now.
Depend on the answers I get, i'll have further questions regarding selling/getting rid of an old mac.
Very much appreciate all your replies.
- Dan

You have a 7 and almost 8 year old machine, unless you can find the parts very inexpensively and you have the expertise to repair it, it likely is not worth taking to an AASP to be repaired.

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iPhone 4S                                    iOS 7.0.x
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iPod Touch 1                               iOS 3.1.3
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I have Mac OS X version 10.5.8 and so im wondering what is the next step i need to get. i have tried to get snow leopard and other things and not having any lukck . can any one help me out pls.

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Multiple Logic Board Failures... Advice?

My black MacBook is less than two years old. Starting this past January, I have had a total of three logic boards fail, along with other hardware failures, including the SuperDrive and Keyboard/Trackpad Module.
Every time the board fails, it is because of a different problem than the last time. First, a connection wire was faulty, causing the Super Drive to be replaced as well. The second time I don't know what was wrong with it, but it was replaced along with the Keyboard/Trackpad Module. This last time, the Speaker/Headphone connections were stuck, which again, caused the Geniuses to replace the Logic Board. The LCD screen was also replaced, but because of dead pixels. Also the hard drive quit working (thank god for backups). I am now on my 4th Logic Board in less than 6 months.
My computer is still covered by AppleCare for another year and a half, but the repeated servicing and re-registering programs is getting a bit ridiculous. Not to mention, if this keeps happening after the warranty runs out, it will be very expensive. I have no money to buy a new computer. The only reason I have this one is because I got it for my 18th birthday from my family.
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1) avoid giving your system (or any electronic device or component) any sort of static shock. Static electricity can easily damage solid-state devices. If in the area in which you have your computer you're regularly getting shocks when you touch metal or grounded devices, you need to take steps to reduce the static electricity buildup.
2) make sure you're properly grounded whenever you access the internals of the system, such as to remove or install RAM or hard drives, and install only quality components verified as compatible with your computer.
3) use high-quality power protection devices on the AC power to your computer and any connected devices (printers, scanners, networked devices, etc.) The $10 "hardware store special" surge protectors generally do more harm than good; get high-quality surge protectors or, better, a power conditioner or uninterruptible power supply with good power filtering.
Beyond that, it's rather the luck of the draw. But MacBooks in general have as good a track record of reliability as any laptop and better than many.
Regards.

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Cloning the drive works beautifully, as long as the logic board is the same. Over the years I've used 3 different startup drives on the same computer. CCC has allowed me to save the weeks of re-serializing everything all the time.
The dufus at the repair shop was lazy and told me he couldn't flash thew new logoic board. Now that I learned it is possible I will take my system back to the show and make a scene, even if I have to pay for another blank logic board.
I will contact Apple if this approach doesn't work.
I never got an answer regarding softraid mirror, but that was before I realized CCC did the trick.
I understand if it was possible for anyone to flash their logic board and change the serial number there would be mass fraud, but ironically in my case, I need to duplicate the old serial number specifically because all my apps were purchased. If I had cracks this would not be an issue because they would just work with any system;-) If the repair shop doesn't want to do it I'l have to get my money back and go to Apple. I have a few friends who had the same problem and Apple transferred the old serial number to their new logic board.
In the meanwhile I'm just losing money because I can't work. So annoying!

MacBook Pro HDD and logic board connection

Hi! Recently my 1.5 year old MacBook Pro hanged while I was watching a movie. So I had to force shutdown the machine. On restarting, I was routed to "System Utilities" and I observed that there was some issue with the hard drive. I could not repair the hard drive myself with the disk utilities system. And therefore,I took it to the Apple service center wherein on preliminary diagnosis they said that hard drive is gone. A day later they say that the connection between the hard drive and the logic board is gone and so I need to replace the hard drive and the logic board as well (cost of which is equivalent to a new non-apple notebook). I read several discussions on "apple forums" and learnt that there is a cable connection between the hard drive and the logic board. But the service guy says that there is some other "socket connection" which is gone while the cable is all fine. I am not able to understand if there are two types of connection between the hdd and the logic board. I have not come across similar problem with anyone and somehow I feel that this service guy cannot help Me. I also fail to understand that how can one access the disk utility system if the logic board (or the heart of the laptop) is gone!!!!! The notebook was always very carefully handled with no jerk and or spillage issue. It has always worked perfectly fine with the software updated to the latest available. Please help!!

@diti wrote:
Earlier I could atleast detect the HDD, now the service guys say that they cant detect the hdd. They replaced the hd with a new one but even that is not getting detected. So they r saying that the connection between logic board and hdd is not fine.
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Hello all,
I could really use some advice.
I have a MacBook Pro that I bought through the Apple Online Store roughly around September of 2010. A couple of weeks after buying it I had to take it to the Apple Store in London's White City due to a keyboard backlight issue. About a week later I collected the MBP and the following day had to take it back as the technician that worked on it had not tightened the display brackets up leaving it a bit floppy.
Now I have serious issues with it. Recently the MacBook has been suffering from freezing up, booting issues and the display randomly shutting off (going black, no pixelating or anything) to the point the machine has become unusable. 2 days ago I took the MBP along to an appointment at the Genius Bar at London's Regent Street Apple Store, I also took along a copy of an Apple knowledge base article regarding this very issue. The knowledge base suggests that on any OS below Mountain Lion a software update is required, for ML or Mavericks an appointment with a service agent is required. During the appointment the Mac Genius suggested it may be a software issue, they would wipe the system and re-install Mavericks then test the machine, I told him I had done this a few days earlier but I guess they have to follow process. He then went on to suggest the display may be faulty, I told him I had no reason to suspect that was the case and moved the screen forwards and backwards at varying speeds without a glimmer of a flicker. At this point after reading about this issue on various forums prior to the appointment I felt that the guy was trying to imply anything maybe at fault but deliberately steering clear of suggesting the logic board, this is just my gut feeling however and i'm perfectly capable of being wrong but I do not feel I am! Anyhow I then proceeded to demonstrate the issue whilst the machine was on, warmed up and right in front of him. I gently and slightly lifted the front left corner of the machine a little way off of the counter, just enough to obviously flex the logic board by a minuscule amount and immediately the display went into a frenzy of going off and on.
So I left the MBP with them for the guys to do their thing. Today I received the following email:
"We have attempted to repair your machine by erasing all the data off your machine and reinstalling the latest operating system, Mavericks. This has not resolved the issue of the screen going black when in use. The issue has occurred again for a very short and brief few times once the machine had fully turned on and after testing the issue did not appear again.
I'm sure the issue will more likely occur again, to repair the machine we would need to replace a part known as the main logic board. This repair is very expensive and will come roughly to £418.80."
£418.80 GBP, that's pretty much 25% of the original purchase price of the machine new, a Premium 'Pro' labelled machine just 3 years old at that. I cannot possibly afford to pay for the repair. I really despair.
This MBP has done no work hard enough for it to get stressed. It is used for some web surfing, online shopping, email, online flash based games but mostly for my kids homework. It has spent it's entire life on a table in our living room with the exception of it's Genius Bar trips.
I love Apple products, it's why as a family we own so many off them. Too many to list on a public forum as I don't want would be burglars inviting themselves around sometime. This issue has tainted my perception of both Apple and it's products. Not so much because of the fault, machines become faulty. No because it's a premium machine that cost me £2100 new and is little more than a paperweight at present just 3 years down the line. Some part of me if i'm honest was wishing but more than that expecting a company like Apple to say along the lines of "This has happened, it shouldn't have and will be repaired at no charge". There are many people suffering this kind of problem with this model and the existence of the knowledge base article must mean Apple knows it too. Just 3 years, £300 PCs last longer than that i'm sure. It does seem to be a very short lifespan for such a high end machine.
My apologies for droning on but I can neither afford the repair or do without the computer, my son is in his final GCSE year at school and my daughter in her pre GCSE year so a computer is critical for school homework research etc. I just do not know how to move forward, I haven't even picked the machine up yet!
This isn't a stomping Apple, one man crusade. I just need my MacBook fixed.
If anyone has had this problem and had it satisfactory resolved, knows who to speak to that may help resolve the issue please let me know.
Any other advice will be more than welcome.

Ive repaired 1000s of laptops over the years (translate: diagnose and replace parts).
Its not that old, Ive owned 100s of laptops (most were free) ....some I still have are nearly 13 years old and still perfect, ....some extremely expensive ones died in under a year.
other than becoming obsolete at some point, there isnt really any "will spoil on" data like Milk for solid state computer parts, ....alas.
You can have a $5000 laptop die in 4 months, and a junker one keep kicking after 10 years.... Ive seen that firsthand countless times.
Common logic dictates that "very expensive = long life" in computers,..... but all the repair people will tell you just the opposite.
I know you have a gripe, I get that all too well honestly .

I'm going next week to the usa(I'm from Brazil) and i need the logic board for Apple MacBook Pro 15" A1286 where can i get it?, I'm going next week to the usa(I'm from Brazil) and i need the logic board for Apple MacBook Pro 15" A1286 where can i get it?

I need to buy a logic board for
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Our 17" iMac won't power on and I suspect it's the power supply (I tried different outlets and power cords). What should my next steps be? For example, while browsing I saw mention of LED indicators inside the unit. Is that the next logical step?
I don't necessarily want to continue using the iMac since I have a much newer MacBook Pro that I can use instead. However, I would like to get all my iTunes files off the iMac (I have a backup that's two months old, but I've purchased a lot of music/apps/videos since then). So if it's easier/cheaper, I'd be open to suggestions other than fixing the iMac. For example, can I pull the hard drive from the iMac and get some sort of external enclosure so that I can plug it into my MacBook Pro to copy the files off? If so, what sort of enclosure would I need for the iMac's hard drive (links?)
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Good old Apple forums. My iMac wouldn't start up and the first post on the list this past Thursday was this thread!
The machine had powered itself down twice and the last time I couldn't start it up. I did do a backup the night before.
I did the LED test all the way thru. Nice to learn that one. After #12 indicated my logic board needed to be replaced, I made a Genius appointment for two days later. There, Andrew at the Walnut Creek, CA store opened up the machine, saw that the condensers were fine and sent the machine upstairs for a new power supply. He said that sometimes the LED test will indicate the logic board, but most of the time it's the power supply. $85 each for the part and labor = $170. Much cheaper than the alternative.
Now that was one of my better Apple Store experiences.

Logic board failiure suspected, next step advice needed

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