Samsung crt monitor issues it spreading colors at corners

[riyaznriyaz]

I have a Samsung CRT Monitor, It worked well, but now it spreading colors at upper and lower side of screen. Kindly Please help me to solve thois problem.

 

[Pyree]

Change colour setting back to 32 bit true colour.

 

[WyomingKnott]

Deleted Poster:

Please post in English. Google Translate is your friend, although the translation of this makes no more sense than the original.