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A1418 | EMC 2889 | Late 2015 | 1.6 GHz dual-core Intel Core i5 또는 2.8 GHz quad-core Intel Core i5. 2015년 10월 13일 출시.

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No Display back light only - can't see icons wont display externally

Does anyone know if the GPU is upgradeable or replaceable? on the iFixit teardown, I cannot see where the GPU is on the logic board or whether it’s a replaceable part?

The issue is Currently, the iMac turns on and chimes and but no display, just backlight glow and can’t see any icons using a torch. It also won’t display externally using an external display port.

Any ideas?

Thank you

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Sorry, the last replaceable GPU MXM board model was in the 2011 models.

This model does not offer a dedicated GPU, it only offers the Intel HD Graphics 6000 or Intel Iris Pro Graphics 6200 which is within the CPU chip.

You’ll need a to replace the logic board. iMac Intel 21.5" EMC 2889 Logic Board Replacement

You’ll also need these tools:

  • Plastic Cards you should get two sets
  • iMac Opening Wheel or if you get the [연계 제품이 누락 또는 비활성화 됨: IF173-005] you’ll get the tool with it.
Plastic Cards 이미지

상품

Plastic Cards

$2.99

iMac Opening Wheel 이미지

상품

iMac Opening Wheel

$7.99

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Thanks Dan, this is what I was thinking.

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