Sony A6300 - The Flash Takes too Long to Recharge; Images Cannot be Played Back

[338] Troubleshooting Troubleshooting Shooting still images/movies
The flash takes too long to recharge.
The flash has been fired in succession in a short period. When the flash has been fired in
succession, the recharging process may take longer than usual to avoid overheating of
the camera.
[339] Troubleshooting Troubleshooting Shooting still images/movies
The control dial or control wheel does not work.
[Dial / Wheel Lock] is on. Hold down the Fn button until the lock is released, or set the
[Dial / Wheel Lock] to [Unlock].
[340] Troubleshooting Troubleshooting Shooting still images/movies
Sound is not recorded properly.
If you turn down the [Audio Rec Level] to the lowest sound level, audio will not be
recorded.
If you turn up the [Audio Rec Level] to the highest sound level, there will likely be sound
clipping.
[341] Troubleshooting Troubleshooting Viewing images
Images cannot be played back.
Make sure that the memory card is fully inserted into the product.
The folder/file name has been changed on your computer.
When an image file has been processed by a computer or when the image file was
recorded using a model other than this product, playback on this product is not
guaranteed.