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Released in April 2011, the D5100 replaces the D5000 as one of Nikon's popular consumer DSLR cameras. It features a replaceable Nikon F-mount lens.

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autoexposure error message in window

camera was dropped and now displays "autoexposure error" message and will not work in auto mode. What can be done?

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Sadly, It sounds like the lens or the lens mount got damaged so the electrical signals to the iris controls is not functioning. If you can try a second lens does it fail with it as well? If so your issue is within the body if it works then you may want to think about a new lens Vs repairing as the cost of fixing maybe close to the replacement price.

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Youtube your issue and there are a couple videos that show a very easy fix. It requires adjusting a couple of the hex screws just inside the mirror if I remember correctly. There is a specific way to turn the wrench and it worked for my Nikon 5100. I also was told that many experience this and dropping it was not the cause of their camera error. It is most likely something Nikon should look at under manufacturer defect. Hope that helps.

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Hello, can you please send me the links of these videos that show how to fix this autoexposure error issue?

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I have the same issue and can't seem to find any videos regarding this issue. Please help and post link of video thanks.

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By the way my d5100 only works on manual mode.

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**GO HERE FOR AN IN DETAIL FIX**

https://www.youtube.com/watch?v=Lkqozcap...

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I had a smilar experience 2 years ago. The best option is to setthe dail to Manual (M) it should work

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thank you! :)

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If the camera was dropped do the following which only requires a moderate skill level.

  1. Remove the battery and SD card
  2. Remove all small screws from the bottom housing cover including the hidden one within the battery compartment.
  3. Remove the bottom plastic cover. Underneath is a metal support bracket. Carefully inspect the corners of this bracket. Any impact can bend this bracket which will pinch the FPC ribbon cable which connects to the rear LCD. The damaged FPC cable will give you the “auto exposure error".
  4. This cable can be purchased online for as little as $6.

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I had the auto exposure issue on my D5100, following the in depth tear down https://fr.ifixit.com/Tutoriel/Nikon+D51...

to detach the back cover (with the lcd), I could indeed find that it was just one of the zero force insertion ribbon that had its lid opened thus the contact was wrong. Closing the small lid did the trick - that’s what the guy in the uTube video was also saying, and it’s true - however I would not recommend using the video but rather the cristal cleat iFixit manual.

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