Greetings, I'm using FracInt for Windows version 20.99.8 in Windows 10. Here I seem to be limited to a max display size (though not a render size) of 800 x 600 pixels. My Fractint.cfg file is currently as follows: ; FRACTINT.CFG File ; Don't use TABs when editing this file. ; The driver field is required or the mode will be skipped. ; If the driver rejects the mode, it won't be added to the mode list. ;key name of adapter/mode | AX | BX | CX | DX |mode| x | y |clr| comments | driver ;========================================================================================= F2 ,Win32 GDI Video , 0, 0, 0, 0, 19, 320, 240,256,,gdi F3 ,Win32 GDI Video , 0, 0, 0, 0, 19, 400, 300,256,,gdi F4 ,Win32 GDI Video , 0, 0, 0, 0, 19, 600, 450,256,,gdi F5 ,Win32 GDI Video , 0, 0, 0, 0, 19, 640, 480,256,,gdi F6 ,Win32 GDI Video , 0, 0, 0, 0, 19, 800, 600,256,,gdi F7 ,Win32 GDI Video , 0, 0, 0, 0, 19, 1024, 768,256,,gdi F8 ,Win32 GDI Video , 0, 0, 0, 0, 19, 1200, 900,256,,gdi F9 ,Win32 GDI Video , 0, 0, 0, 0, 19, 1280, 960,256,,gdi SF2 ,Win32 Disk Video , 0, 0, 0, 0, 19, 8192, 8192,256,,disk SF3 ,Win32 Disk Video , 0, 0, 0, 0, 19,16304,16304,256,,disk SF4 ,Win32 Disk Video , 0, 0, 0, 0, 19,30000,30000,256,,disk SF5 ,Win32 Disk Video , 0, 0, 0, 0, 19, 640, 400,256,,disk SF6 ,Win32 Disk Video , 0, 0, 0, 0, 19, 640, 480,256,,disk SF7 ,Win32 Disk Video , 0, 0, 0, 0, 19, 800, 600,256,,disk SF8 ,Win32 Disk Video , 0, 0, 0, 0, 19, 1024, 768,256,,disk SF9 ,Win32 Disk Video , 0, 0, 0, 0, 19, 1280, 1024,256,,disk CF1 ,Win32 Disk Video , 0, 0, 0, 0, 19, 8000, 8000,256,,disk CF2 ,Win32 Disk Video , 0, 0, 0, 0, 19,30000,22500,256,,disk CF3 ,Win32 Disk Video , 0, 0, 0, 0, 19,16304,12228,256,,disk CF4 ,Win32 Disk Video , 0, 0, 0, 0, 19,32608,24456,256,,disk CF5 ,Win32 Disk Video , 0, 0, 0, 0, 19, 8192, 6144,256,,disk But nothing past that 800 x 600 shows up in available video modes in FractInt. Any help, please? Many thanks, Tony Hanmer