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2.2, 2.4, 2.5, or 2.6 GHz Core 2 Duo processor

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Dies immediately on startup

Hi,

When I start up my MacBook the light in the front turns on, I can hear the CD start but then it dies. Since I have another identical one I've tried replacing the battery, memory, hard drive and even unplugged the CD but still no luck, the light in front comes on and then it power off almost instantly.

When I plug in the power adapter it will lit up so I'm guessing it's not the left I/O board.

So what to you think? Is the motherboard gone? Can you recommend anything that I could try out?

Thanks in advance,

Indridi

Answer this question I have this problem too

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Let's start off by properly identifying your MBP. what are the last four digits of your computers serial number? that will help us to find the proper computer and the proper hardware used.

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Thanks for you reply,

The last four digits of the serial number are YYJZ.

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2.4 GHz Core 2 Duo (T8300)

Intro Date: February 26, 2008 Disc Date: October 14, 2008

Order No: MB133LL/A Model No: A1260 (EMC 2198)

Subfamily: Early 2008 Model ID: MacBookPro4,1

Std RAM: 2 GB Std VRAM: 256 MB

Std Storage: 200 GB (5400 RPM) Std Optical: 8X DL "SuperDrive"

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Indrid, start here. System shuts down almost immediately after startup:

Disconnect all external peripherals and eject any ExpressCard.1.

Make sure a known-good battery is fully inserted. Check battery charge and make sure that 2. at least two LED charge indicators light up; otherwise connect the adapter. The adapter LED should light when plugged in. If not, consult the MagSafe power adapter section for further troubleshooting.

After charging for a while, if the battery does not seem to charge, or if it is charged up but 3. quickly discharges, replace the battery. Verify with a known-good battery.

Check battery connection to logic board, and check wire attachment to connectors.4.

If just before the system shuts down, the sleep LED briefly comes on, check the three thermal 5. sensor connections to the main logic board. They should be fully seated with no damage to the wiring. If any thermal sensor is damaged, replace it.

If a known-good battery does not charge, replace the left I/O board.6.

Replace the logic board.

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Any missing history - when did the problem first occur? Was the machine dropped or wet? OS update or other install?

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Hook it up to an external monitor. If the monitor fails, Yolo is correct. This machine has the nVidia GeForce 8600 GPU. It is a very well known issue and had an Apple recall for 4 years from the date of purchase (after a class action law suit. There are several companies on eBay that do the re-work for about $150. The GPU can also be replace for a little more.

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It's the gpu. Reflow or reball/replace.

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Thanks for the comments. Tried reflowing. Stripped down the logic board and put it in the oven at 197C for 8 minutes, let it cool down over the night. Installed and it started up perfectly, passed the Apple Hardware Test. Hope this will last for some time.

Thanks,

Indridi.

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