Hi everybody! I have this problem: if i disable my internal graphic chip and enable just my ati mobility radeon hd 5650 (my laptop is an acer 7745g) i have problem with my external 16:9 monitor...my graphic card detect it as a 4:3 monitor, and if a force the native resolution (1920x1080) it doesn't fix the monitor, and it show the resolution like this: how to solve it? Thanks in advance P.S. Translation: "Grosso bordo nero" = Big black corner "Risoluzione S.O. tagliata"= O.S. resolution cutted