Go to Flightsim.com. Go to "Go To Main Menu" at bottom of page.Go to "FS2004 Forum".Go to "Message Area".Go to "Message Forums Top Level (Entrance to all forums)".Go to "PC Hardware and Audio Help".The first topic is "Driver Installation Guide" by noell.Has'nt failed me yet!

>Yeah, well...>>I had everything running so dam* smoothly with old 81.33>drivers on my 6800 and whoosh! Now that's history.>>With the WHQL-cert. 91.47 drivers, I'm now at a whopping 6fps>in FSX (formerly solid 24-25) and 12fps in FS9 (formerly>astronomically high and smooth).>>Needless to say, I'm ######.!@#. I would be too. I had that happen in FS2004 once. The problem was two display device entries in the FS9.CFG file. You might see if you have two device entries in your FSX.CFG.If not, I would follow the uninstall, reinstall procedure for nvidia drivers that is alluded to in this thread. I think it is Noel's procedure and it's in the hardware forum. It has always worked for me, too. I'd definitely switch back to your 81.33 driver.RhettAMD 3700+ (@2.5 ghz), eVGA 7800GT 256 (94.47), ASUS A8N-E, PC Power 510 SLI, 2 GB Corsair XMS 3-3-3-8, WD 250 gig 7200 rpm SATA2, CoolerMaster Praetorian