If you are using LR3 (not sure about older versions) have you checked your Profile, under the Camera Calibration menu in the Develop Module ? Try changing it to the other options available to see if this gives you something similar to what you see on the screen on the back of your camera.
|.....the ROYAL LOTUS 2017/08/25-NEW YORK..... by Chiwat|
from Wild flowers
|Coffee and Mango cake by clicker88|
from Another cup of coffee