>>>I tried both and the only change I saw when I change the Windows color scheme to various possibilities. But, in all case, I was still having a darkground. I was however capable of seeing the font color to white. It is still unsolved.
>>
>>Try deleting Normal.dot file. It will not harm your MS Word installation, because words creates a new one if do not find it. However you will loose all your specific default settings (font, style, etc.). Make an archived copy on Normal.dot to make all things safer.
>
>I remove the Normal.dot file and it doesn't change anything. So, it's not related to that.

Check Tools|Options|View->Field Shading (it is combo) Choose "When Selected"

HTH