This is my first ever post - so excuse me if I get it wrong.My AMD 2600, ATI Radeon 9800 Pro System used to breeze along quite happily in FS2004 at 30+ fps.This has out of the blue dropped to a max of 15 fps and when taking off etc to 2 fps.I have dropped all settings to minimum levels, re-installed, closed down anti-virus and firewall software (all of which were present when things were ok) but no change.Any ideas guys?

Hi Michael, welcome to this forum. Did you also re-install the mainboard drivers? Good luck and kind regards Jaap PS: If the answer is yes, please be more specific about the hardware and software in use

Have you got force-feedback controllers? They can sometimes cause this kind of problem. If yes, turn off force feedback.Search on this and the Hardware forum.

Fantastic :-) As soon as turned off the force-feedback frame rates jumped to 35+.Selectively turning off and on each type of feedback established that the culprit was just the control surfaces.Will research a bit further on hardware forum as suggested.Thanks for the help.