Video Card : ATI Mobility Radeon HD 3650
Although my video card ATI when i check system info
Driver : VESA: M86 Experience : Fallback
i checked compiz config manager and disable all effects insipite of this windows are moving slowly.It does not for all windows,for example when i use google chrome and scrool up/down there is no effect but when i move window to another position it moves slowly but when i use pdf reader when i scrool up or down it moves slowly.How can i solve this ? i use core 2 duo intel cpu and run ubuntu 11.10.
Edit : The Solution : Upgrade kernel and then update all graphic card drivers.Now there is no problem .