Problems and Solutions
Solutions to some common issues are listed below.
Battery/Display
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                                                       The camera is on but does not respond: 
                                                      
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                                                       The viewfinder or monitor does not turn on: 
                                                      
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                                                       The viewfinder is out of focus: 
                                                      
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                                                       The display in the viewfinder or monitor turns off without warning: 
                                                      Choose longer delays for Custom Setting c3 [].  | 
                                                
Shooting
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                                                       The camera takes time to turn on: 
                                                      More time will be needed to find files if the memory card contains large numbers of files or folders.  | 
                                                
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                                                       The shutter cannot be released: 
                                                      
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                                                       The camera is slow to respond to the shutter-release button: 
                                                      Select [] for Custom Setting d4 [].  | 
                                                
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                                                       Burst shooting is unavailable: 
                                                      Burst shooting cannot be used in conjunction with HDR.  | 
                                                
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                                                       Photos are out of focus: 
                                                      
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                                                       The beep does not sound: 
                                                      
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                                                       The full range of shutter speeds is not available: 
                                                      Using a flash restricts the range of shutter speeds available. Flash sync speed can be set to values of 1/200–1/60 s using Custom Setting e1 []. When using flash units that support auto FP high-speed sync, choose [] for a full range of shutter speeds.  | 
                                                
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                                                       Focus does not lock when the shutter-release button is pressed halfway: 
                                                      When AF‑C is selected for focus mode, focus can be locked by pressing the center of the sub-selector.  | 
                                                
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                                                       Focus-point selection is not available: 
                                                      Focus-point selection is not available when auto-area AF is selected for AF-area mode.  | 
                                                
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                                                       The camera is slow to record photos: 
                                                      Is [] selected for [] in the photo shooting menu?  | 
                                                
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                                                       Photographs and movies do not appear to have the same exposure as the preview shown
                                                         in the display:
                                                       
                                                      
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                                                       Flicker or banding appears in movie mode: 
                                                      Select [] in the movie shooting menu and choose an option that matches the frequency of the local AC power supply.  | 
                                                
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                                                       Bright regions or bands appear: 
                                                      Bright regions or bands may occur if the subject is lit by a flashing sign, flash, or other light source with brief duration.  | 
                                                
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                                                       Smudges appear in photographs: 
                                                      
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                                                       Bokeh is irregular:
                                                       
                                                      With fast shutter speeds and/or fast lenses, you may notice irregularities in how bokeh is shaped. The effect can be mitigated by choosing slower shutter speeds and/or higher f‑numbers.  | 
                                                
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                                                       Pictures are affected by noticeable ghosting or flare:
                                                       
                                                      You may notice ghosting or flare in shots that include the sun or other bright light sources. These effects can be mitigated by attaching a lens hood or by composing shots with bright light sources well out of the frame. You can also try such techniques as removing lens filters, choosing a different shutter speed, or using silent photography.  | 
                                                
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                                                       Shooting ends unexpectedly or does not start: 
                                                      
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                                                       Image artifacts appear in the display during shooting: 
                                                      
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                                                       The camera cannot measure a value for preset manual white balance: 
                                                      The subject is too dark or too bright.  | 
                                                
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                                                       Certain pictures cannot be selected as sources for preset manual white balance: 
                                                      Pictures created with cameras of other types cannot serve as sources for preset manual white balance.  | 
                                                
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                                                       White balance (WB) bracketing is unavailable: 
                                                      
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                                                       The effects of [] differ from image to image:
                                                       
                                                      [] is selected for [] or as the basis for a custom Picture Control created using [], or [] (auto) is selected for [], [], or []. For consistent results over a series of photographs, choose a setting other than [] (auto).  | 
                                                
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                                                       The option selected for metering cannot be changed: 
                                                      The option selected for metering cannot be changed during exposure lock.  | 
                                                
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                                                       Exposure compensation is not available: 
                                                      Changes to exposure compensation in mode M apply only to the exposure indicator and have no effect on shutter speed or aperture.  | 
                                                
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                                                       Uneven shading may appear in long exposures: 
                                                      Uneven shading may appear in long exposures shot at shutter speeds of “Bulb” or “Time”. The effect can be mitigated by selecting [] for [] in the photo shooting menu.  | 
                                                
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                                                       The AF-assist illuminator does not light: 
                                                      
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                                                       Sound is not recorded with movies: 
                                                      
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Playback
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                                                       NEF (RAW) pictures are not visible during playback: 
                                                      The camera displays only the JPEG copies of pictures taken with [], [], [], [], [], or [] selected for [].  | 
                                                
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                                                       Pictures taken with other cameras are not displayed: 
                                                      Pictures recorded with other types of camera may not display correctly.  | 
                                                
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                                                       Not all photos are visible during playback: 
                                                      Select [] for [] in the playback menu.  | 
                                                
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                                                       “Tall” (portrait) orientation photos are displayed in “wide” (landscape) orientation: 
                                                      
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                                                       Pictures cannot be deleted: 
                                                      
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                                                       Pictures cannot be retouched: 
                                                      
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                                                       The camera displays the message, []:
                                                       
                                                      Select [] for [] in the playback menu.  | 
                                                
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                                                       NEF (RAW) pictures cannot be printed: 
                                                      
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                                                       Pictures are not displayed on HDMI devices: 
                                                      Confirm that an HDMI cable is correctly connected.  | 
                                                
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                                                       Output to HDMI devices does not function as expected: 
                                                      
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                                                       The Image Dust Off option in NX Studio does not have desired effect: 
                                                      Image sensor cleaning changes the position of dust on the image sensor and will not have the desired effect if: 
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                                                       The effects of [], [], or [] are not visible:
                                                       
                                                      In the case of NEF (RAW) pictures, the effects can only be viewed using Nikon software. View NEF (RAW) pictures using NX Studio.  | 
                                                
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                                                       Pictures cannot be copied to a computer: 
                                                      Depending on the operating system, you may be unable to upload pictures when the camera is connected to a computer. Copy pictures from the memory card to a computer using a card reader or other device.  | 
                                                
Bluetooth and Wi‑Fi (Wireless Networks)
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                                                       Smart devices do not display the camera SSID (network name): 
                                                      
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                                                       The camera cannot connect to printers and other wireless devices: 
                                                      The camera cannot establish wireless connections with devices other than smartphones, tablets, and computers.  | 
                                                
Miscellaneous
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                                                       The date of recording is not correct: 
                                                      Is the camera clock set correctly? The clock is less accurate than most watches and household clocks; check it regularly against more accurate timepieces and reset as necessary.  | 
                                                
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                                                       Menu items cannot be selected: 
                                                      Some items are not available at certain combinations of settings.  | 
                                                
