767 Sub Panels (FMC,Overhead, etc...)

Hi: The reason of this post is beacuse when im usingde Boeing 767 with the 767 PIC panel, i open theFMC to loadmy Flightplan,and when i want to close it it takes about 10 seconds, this problem had neverhappend to me and is anoying because the only way to solvethe problem is in options and screen resolutionbut when i want to chance weather or time of flightthe, after accepting the changes the problem begins again and well its very anoying to be chaning the resolution even after landing i love to wacht the replay so again the screen resolution needs to be change,hope you understand me and i hope i can get help so i can continued flying.Greetings from Mexico.