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Mid 2009 Model A1278 / 2.26 or 2.53 GHz Core 2 Duo processor EMC 2326

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Booting to a white screen?

Hello, I have two MacBook Pro 13" 2009 that are booting to a white screen.

Both of the computers Boot, Fan Spins, I can hear the chime, and then it goes to the dreaded white screen.

One of them works with an external monitor so I have been able to use it in that manner.

The second MBP will not detect my external monitor so it seems I have two computers, both booting to white screen but with two different internal problems.

Any Ideas? Thanks a lot

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Generally if you get no image at all on an external monitor the GPU/VGC is bad.

White screens are sometimes caused by corrupt OS folders. Try booting from a different volume (R boot or Optical/USB/Target volume).

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White screens generally indicate hard drive problems. These machine also have known issues with the hard drive/ IR cables going bad and destroying the hard drives. Use the one that boots to the external monitor and use a firewire cable and Target mode to repair the hard drive or clone it. That failing, try installing the know good drive and cable in the machine that is not working.

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