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현재 버전 게시자: Dan ,

본문:

Your error implies your HDD fan has failed!
 
'''But!''' Your system doesn’t have a HDD fan only a CPU fan as you can see in this image from the iFixit teardown of the 2013 27” iMac:
 
[image|1803020]
 
So you either have a a major failure within your logic board SMC service or you have an older iMac maybe a 2011 or 2010??
 
Here’s a good write up on AHT [https://computers.tutsplus.com/tutorials/finding-hardware-faults-exploring-aht-apple-diagnostics--mac-60456?_ga=2.171342688.1738468981.1562843036-1532273299.1562512025|Finding Hardware Faults: Exploring AHT & Apple Diagnostics] jump down to Step 5.
 
=== Update (07/11/2019) ===
OK, I corrected your system info so its now correct.
 
Here’s the HD fan unit you’ll need [product|IF174-039] We don’t have a guide to get you the full way but we do have this guide [guide|7575] That will get you mostly there. Follow the guide to Step 33. From there you’ll need to finish removing the logic board disconnecting the last few cables. Once out you can gain access to the fan just behind it.
 
I’m sure your GPU is also in trouble as well here.
 
I would first see if cleaning off the old thermal paste and thermal pads and replacing both as needed, as well as clean out the dust build up within the system as a whole using a small soft paint brush and a can of can’ed air.
 
After testing things with the fixed fan and refreshed thermal paste and pads see if the GPU is still encountering issues. You may need to replace it or reflow the GPU chip (very last option here)
 
=== Update (07/16/2019) ===
Here’s the logic board connections. Make sure Cable ‘‘‘C’’’ is firmly in place
 
[image|1805881]

현황:

open

편집 작업: Dan ,

본문:

Your error implies your HDD fan has failed!
 
'''But!''' Your system doesn’t have a HDD fan only a CPU fan as you can see in this image from the iFixit teardown of the 2013 27” iMac:
 
[image|1803020]
 
So you either have a a major failure within your logic board SMC service or you have an older iMac maybe a 2011 or 2010??
 
Here’s a good write up on AHT [https://computers.tutsplus.com/tutorials/finding-hardware-faults-exploring-aht-apple-diagnostics--mac-60456?_ga=2.171342688.1738468981.1562843036-1532273299.1562512025|Finding Hardware Faults: Exploring AHT & Apple Diagnostics] jump down to Step 5.
 
=== Update (07/11/2019) ===
OK, I corrected your system info so its now correct.
 
Here’s the HD fan unit you’ll need [product|IF174-039] We don’t have a guide to get you the full way but we do have this guide [guide|7575] That will get you mostly there. Follow the guide to Step 33. From there you’ll need to finish removing the logic board disconnecting the last few cables. Once out you can gain access to the fan just behind it.
 
I’m sure your GPU is also in trouble as well here.
 
I would first see if cleaning off the old thermal paste and thermal pads and replacing both as needed, as well as clean out the dust build up within the system as a whole using a small soft paint brush and a can of can’ed air.
 
After testing things with the fixed fan and refreshed thermal paste and pads see if the GPU is still encountering issues. You may need to replace it or reflow the GPU chip (very last option here)

현황:

open

원문 게시자: Dan ,

본문:

Your error implies your HDD fan has failed!

'''But!''' Your system doesn’t have a HDD fan only a CPU fan as you can see in this image from the iFixit teardown of the 2013 27” iMac:

[image|1803020]

So you either have a a major failure within your logic board SMC service or you have an older iMac maybe a 2011 or 2010??

Here’s a good write up on AHT [https://computers.tutsplus.com/tutorials/finding-hardware-faults-exploring-aht-apple-diagnostics--mac-60456?_ga=2.171342688.1738468981.1562843036-1532273299.1562512025|Finding Hardware Faults: Exploring AHT & Apple Diagnostics] jump down to Step 5.

현황:

open