My Nikon D5100 shutter sound is weird?

I dropped my camera a few days ago and a common problem is that the mirror would get lodged or stuck because of the two prongs,screws,whatever they are called. So i then go it out and it moves freely. But another problem happened after is that my shutter sound is completely different. It sounds more whiny and not normal. Please help!

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Which one of the following DSLRs should I go for and why? (Price doesn't matter)?

1) Nikon D3200
2) Nikon D3300
3) Nikon D5200
4) Nikon D5300
5) Canon EOS 1200D
6) Canon EOS 1300D
7) Canon EOS 700D

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Will Nikon clean my viewfinder?

Will Nikon (or reputable third party) clean dust that has gotten into my viewfinder? I see a dot in the finder above a grid line and I've tried blowing and the bunch, but it won't come out. Also, I can't see it on the fresnel when I peer in. Will Nikon or whomever take the focusing screen out to clean it if I give it to them? Will I have to specify? Anyways, thanks.
Added (1). Just to clarify, the dust doesn't affect my image obviously. But, it does show up completely black. I do not think it is a scratch in the focusing screen. It has the same kind of black color as the frame lines and focus selection.
Added (2). also, will they take a look at it when I send it in just for a general cleaning once in a good while?

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How to avoid loud lens-focussing noise when i film?

I am trying to get into making youtube videos, filming using a nikon d3200, found a way to make it auto-focus during video which is great, but it makes a loud sound when the lens is adjusting that gets picked up in the video. Looking for a practical, effective, inexpensive answer, i suspect some kind of mic? Looking for suggestions that i know will work:)

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Do you have Nikon D40?

What on Shuttle speed number i need put on when i take a night picture still learning of it like take picture at night when ever i go back Nyc & Vegas Strip and all lights wont be blury

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Recommendations on a really camera?

Hi,
I'm wanting to buy a really good camera.
I was thinking a DSLR camera. Because I heard it's the best! But I was wondering If it's good in bad lighting and is water proof?
If not can you recommend me to a camera that is similar to a DSLR but has everything I need in a camera? I need at least 16 gb. Or even more… I even need a camera that offers a great resolution and HD. Also is great in all types of lighting and weather. Thank you and Looking forward to hearing back from someone.
Have nice day! :)

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Is it worth buying the Fujifilm S9800 when I already own a Nikon D40?

Is it worth buying the Fujifilm S9800 when I already own a Nikon D40?

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Good camera under 500 dollars Canadian? - 1

What is a good interchangeable lens camera that is under 500 dollars Canadian? My basic requirements are WiFi, and good low light performance,

I was thinking of things like the Canon t5i, and the Nikon d3300

My previous camera was a sony a5000 which someone stole:-(

if you can leave links for amazon or something, please make it Canadian

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Do i install NKLD0213 with firmware udates for nikon d5200 dslr camera?

Do i install NKLD0213 with firmware udates for nikon d5200 dslr camera?

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How to fix the focus on the camera?

I should know how to do this, having done photography since 2010 with D-SLRs, but I'm not yet accustomed to my newest lens which is a 50mm Nikkor lens. I use a Nikon D3100, so the auto-focus feature isn't available. I manually focus and I have done enough practice to understand that when a green light comes on in the corner, it's focused on part of the subject.

Well, last night it wouldn't work. That green light was flashing on and off and I looked it up. I fixed it, or so I thought. It doesn't flash on and off now and flashes when the viewfinder focuses; the picture would look sharp and exactly the way I'd want it.

Then I take the picture and it comes out blurry…
Added (1). I forgot to mention that for right now, I'm shooting on Auto. I shoot Manual, too, but for now I'm shooting on Auto.

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