Alors voila comme on me la signaler je n'ai pas besoin de changer ma configuration mais de plutot configurer FSX:
ma config:
Radeon HD6870 OC 1Go
Intel Core i5 2400 @3.4GHz
MSI B75A-G43
Alim 550W
Boitier Zalma z9  ;D
Bn je ne sais pas trop comment mi prendre avec fsx.cfg enfin ce qui faut changer si quelqu'un pourrai m'aider svp
Ps: j'ai deja utiliser le tweak 
Voila le fichier:
[GRAPHICS]
ALLOW_SHADER_30=1
D3D10=0
TEXTURE_MAX_LOAD=1024
NUM_LIGHTS=8
AIRCRAFT_SHADOWS=1
AIRCRAFT_REFLECTIONS=1
COCKPIT_HIGH_LOD=1
LANDING_LIGHTS=1
AC_SELF_SHADOW=0
EFFECTS_QUALITY=2
GROUND_SHADOWS=0
TEXTURE_QUALITY=3
IMAGE_QUALITY=0
See_Self=1
Text_Scroll=1
[SOUND]
AmbientUIMusicVolume=-6.000000
PrimaryDevice={DEF00000-9C6D-47ED-AAF1-4DDA8F2B5C03}
VoiceDevice={DEF00002-9C6D-47ED-AAF1-4DDA8F2B5C03}
SOUND=1
SOUND_QUALITY=2
SOUND_LOD=0
UISound=1
AmbientUI=0
SOUND_FADER1=0.500000
SOUND_FADER2=0.500000
SOUND_FADER3=0.500000
SOUND_FADER4=0.500000
AmbientUIMusic=FSX07
[Display]
ChangeTime=4.000000
TransitionTime=4.000000
ActiveWindowTitleTextColor=255,255,255
ActiveWindowTitleBackGroundColor=0,28,140,64
NonActiveWindowTitleTextColor=255,255,255
NonActiveWindowTitleBackGroundColor=24,33,87,64
InfoUpperRightTextColor=255,0,0
InfoUpperRightBackGroundColor=0,0,0,0
InfoLowerLeftTextColor=255,255,255
InfoLowerLeftBackGroundColor=255,0,0,128
InfoLowerRightTextColor=255,255,255
InfoLowerRightBackGroundColor=255,0,0,128
InfoBrakesEnable=True
InfoParkingBrakesEnable=True
InfoPauseEnable=True
InfoSlewEnable=True
InfoStallEnable=True
InfoOverspeedEnable=True
BLOOM_EFFECTS=0
SKINNED_ANIMATIONS=1
TEXTURE_BANDWIDTH_MULT=40
UPPER_FRAMERATE_LIMIT=0
WideViewAspect=False
[Main]
User Objects=Airplane, Helicopter
SimObjectPaths.0=SimObjects\Airplanes
SimObjectPaths.1=SimObjects\Rotorcraft
SimObjectPaths.2=SimObjects\GroundVehicles
SimObjectPaths.3=SimObjects\Boats
SimObjectPaths.4=SimObjects\Animals
SimObjectPaths.5=SimObjects\Misc
Maximized=1
Location=200,61,1240,839,\\.\DISPLAY1
HideMenuNormal=1
HideMenuFullscreen=1
[PANELS]
IMAGE_QUALITY=1
DEFAULT_VIEW=0
QUICKTIPS=1
PANEL_OPACITY=100
PANEL_MASKING=1
PANEL_STRETCHING=1
UNITS_OF_MEASURE=0
[Weather]
WindshieldPrecipitationEffects=1
MinGustTime=10
MaxGustTime=500
MinGustRampSpeed=1
MaxGustRampSpeed=200
MinVarTime=5
MaxVarTime=50
MinVarRampSpeed=10
MaxVarRampSpeed=75
TurbulenceScale=1.000000
WeatherServerAddress=fs2k.zone.com
WeatherServerPort=80
WeatherGraphDataInDialog=0
AdjustForMagVarInDialog=1
DynamicWeather=1
DownloadWindsAloft=0
DisableTurbulence=0
CLOUD_DRAW_DISTANCE=3
DETAILED_CLOUDS=1
CLOUD_COVERAGE_DENSITY=7
THERMAL_VISUALS=0
[DISPLAY.Device.AMD Radeon HD 6800 Series.0]
Mode=1024x768x32
AntiAlias=1
[CONTROLS]
Controls_Default=Standard
Controls_Current=Standard
KBDAIL=64
KBDELEV=64
KBDRUD=64
[TextInfo.1]
Latitude=1,1
Longitude=1,2
Altitude=1,3
Heading=1,4
AirSpeed=1,5
WindDirectionAndSpeed=1,6
[TextInfo.2]
FrameRate=1,1
LockedFrameRate=1,2
GForce=1,3
FuelPercentage=1,4
[TextInfo.3]
Latitude=1,1
Longitude=1,2
Altitude=1,3
Heading=1,4
AirSpeed=1,5
WindDirectionAndSpeed=1,6
FrameRate=2,1
LockedFrameRate=2,2
GForce=2,3
FuelPercentage=2,4
[TextInfo.4]
WindDirectionAndSpeed=1,1
[SlewTextInfo.1]
Latitude=1,1
Longitude=1,2
Altitude=1,3
Heading=1,4
AirSpeed=1,5
[SlewTextInfo.2]
FrameRate=1,1
LockedFrameRate=1,2
[SlewTextInfo.3]
Latitude=1,1
Longitude=1,2
Altitude=1,3
Heading=1,4
AirSpeed=1,5
FrameRate=2,1
LockedFrameRate=2,2
[Trusted]
C:\Program Files\Microsoft Games\Microsoft Flight Simulator X\ORBX\FTX_AU\FTXAA_YBCS\scenery\ObjectFlow_YBCS.dll.uqkwwiobnruacbbkntnnuaqicaieuniklwwuowqi=1
C:\Program Files\Microsoft Games\Microsoft Flight Simulator X\FsPassengers\bin\fspassengersx.dll.cwrahceeklzahlkccibolwwiwqtcroqewlcukrah=1
C:\Program Files\Microsoft Games\Microsoft Flight Simulator X\PMDG\DLLs\PMDG_HUD_interface.dll.ctkkrqaikttohbabkrkuzobatlhunzoncrzzubal=1
C:\Program Files\Microsoft Games\Microsoft Flight Simulator X\VistaMare\ViMaCoreX.dll.wwahqlaubwanwhkneqalinwarkzzeelhcztzztqh=1
C:\Program Files\Microsoft Games\Microsoft Flight Simulator X\Modules\FSUIPC4.dll.ocncrhawbicarenzwnqkoqhaetrluitohkanlecb=1
C:\Program Files\FS Recorder for FSX\FSRecorder_FSX.dll.ioqbaluiwenttnirzbkiikblcckhaellbwaectwk=1
C:\Program Files\Microsoft Games\Microsoft Flight Simulator X\GAUGES\PMDG_737NGX.DLL.ekcclzatoclznqaclqintqqlkloacubtltewabhc=2
C:\Program Files\Microsoft Games\Microsoft Flight Simulator X\GAUGES\PMDG_737NGX_3.DLL.krthatkulqnzqibblozhotoaaqwkzobtbbeuatko=2
C:\Program Files\Microsoft Games\Microsoft Flight Simulator X\Aerosoft\Flight Recorder\AS-FlightRecorder.dll.wllkekbwrhncqzwahizazzenbothqrhaerqbqaah=1
C:\Program Files\Microsoft Games\Microsoft Flight Simulator X\RAASPRO\RAASPRO.dll.ahznubtolanoeoqellzazeeatqekloqhhbubucwt=1
C:\Program Files\Microsoft Games\Microsoft Flight Simulator X\GAUGES\../SimObjects/Airplanes/Aerosoft Airbus X Extended Base/Panel_Fallback/DLLs/FMGS.DLL.zaictqnkqehccthqlzhrkoiuchcabkocnkhuwzio=2
C:\Program Files\Microsoft Games\Microsoft Flight Simulator X\SimObjects\Airplanes\Aerosoft Airbus X A321 Extended CFM\panel\ASC.DLL.eeuikzraobrlnnzeanzrnzhhenahknehtnhhnqon=2
C:\Program Files\Microsoft Games\Microsoft Flight Simulator X\GAUGES\../SimObjects/Airplanes/Aerosoft Airbus X Extended Base/Panel_Fallback/ND/AB_ND_GDI.DLL.ueuuwiozlhralelrkbceuourlrlhhrraatkkwbkw=2
C:\Program Files\Microsoft Games\Microsoft Flight Simulator X\GAUGES\../SimObjects/Airplanes/Aerosoft Airbus X Extended Base/Panel_Fallback/DLLs/AsInput.DLL.noethbwkelokklakqaacntlcierioorqkitnehnb=2
C:\Program Files\Microsoft Games\Microsoft Flight Simulator X\GAUGES\../SimObjects/Airplanes/Aerosoft Airbus X Extended Base/Panel_Fallback/DLLs/FBW.DLL.bznbbwniiitrwqiorazwaekbozuilqhwiqzihblc=2
C:\Program Files\Microsoft Games\Microsoft Flight Simulator X\GAUGES\CLS_FSX_SOUND.DLL.wtaiilnbcwrcbtkanwztwhzhkrrularqhhczteoe=2
C:\Program Files\Microsoft Games\Microsoft Flight Simulator X\GAUGES\CLS_FSX_TCAS.DLL.llrucwrabitwttazutzuioiuliakzwhckcatenoa=2
C:\Program Files\Microsoft Games\Microsoft Flight Simulator X\GAUGES\CLS_767.GAU.etqbileloquanoziletebhhaqqikiuetqeznzkho=2
C:\Program Files\Microsoft Games\Microsoft Flight Simulator X\FsPassengers\bin\FsPassengersMini.DLL.lqiullqheonhccihlizzttcbnethkhbnhboilehc=2
[DynamicHeadMovement]
LonAccelOnHeadLon=-0.020000
LonAccelOnHeadPitch=-0.010000
RollAccelOnHeadLat=0.010000
YawAccelOnHeadLat=-0.100000
RollAccelOnHeadRoll=0.100000
MaxHeadAngle=5.000000
MaxHeadOffset=0.300000
HeadMoveTimeConstant=1.000000
[VirtualCopilot]
VirtualCopilotActive=0
[USERINTERFACE]
ShowAllACPaintSchemes=1
SelectAircraftManufacturer=Tous
SelectAircraftPublisher=Tous
SelectAircraftType=Tous
PageID=6
OpenATCOnCreate=1
SHOW_MISSION_CAPTIONS=1
PAUSE_ON_LOST_FOCUS=0
PROMPT_ON_EXIT=0
SITUATION=FLIGHTS\OTHER\FLTSIM
Map_Orientation=2
[RWW_WEATHER_MAP]
SHOW_AIRPORTS=0
SHOW_VORS=0
SHOW_NDBS=0
SHOW_APPROACHES=0
SHOW_INTERSECTIONS=0
SHOW_VICTOR=0
SHOW_JET=0
SHOW_AIRSPACE=0
SHOW_FLIGHTPLAN=1
SHOW_WEATHERSTATIONS=1
SHOW_WEATHERSYSTEMS=1
SHOW_DATATAGS=1
SHOW_TERRAIN=1
[ATC]
ShowATCText=1
COMM_MSG_NONE_COLOR=FFFFFFFF
COMM_MSG_ATC_USER_COLOR=FFB6FFB6
COMM_MSG_USER_ATC_COLOR=FFFFD21B
COMM_MSG_ATC_AI_COLOR=FF00FF00
COMM_MSG_AI_ATC_COLOR=FFFF7840
AutoOpenAirTrafficWindow=1
UsePilotVoice=1
PilotVoice=0
[PointOfInterestSystem]
CycleSetting=0
[SCENERY]
LENSFLARE=1
DAWN_DUSK_SMOOTHING=1
IMAGE_COMPLEXITY=5
[TrafficManager]
AirlineDensity=0
GADensity=0
FreewayDensity=20
ShipsAndFerriesDensity=21
LeisureBoatsDensity=14
IFROnly=0
AIRPORT_SCENERY_DENSITY=1
[TERRAIN]
LOD_RADIUS=4.500000
MESH_COMPLEXITY=80
MESH_RESOLUTION=22
TEXTURE_RESOLUTION=25
AUTOGEN_DENSITY=3
DETAIL_TEXTURE=1
WATER_EFFECTS=6
TERRAIN_MAX_AUTOGEN_TREES_PER_CELL=1000
TERRAIN_MAX_AUTOGEN_BUILDINGS_PER_CELL=3000
[AContain]
ShowLabels=1
ShowUserLabel=0
ShowLabelManufacturer=0
ShowLabelModel=1
ShowLabelTailNumber=1
ShowLabelDistance=1
ShowLabelAltitude=1
ShowLabelAirline=0
ShowLabelAirlineAndFlightNumber=0
ShowLabelFlightPlan=0
ShowLabelContainerId=0
ShowLabelAirspeed=0
ShowLabelHeading=0
LabelDelay=1000
LabelColor=FFFF0000
[INTERNATIONAL]
ASLAT=2
ASLON=0
MEASURE=0
[REALISM]
PFactor=1.000000
Torque=1.000000
GyroEffect=1.000000
CrashTolerance=1.000000
General=1.000000
UnlimitedFuel=False
TrueAirspeed=False
AutoCoord=False
RealMixture=False
StressDamage=False
GEffect=True
ManualLights=True
GyroDrift=False
CrashWithDyn=False
CrashDetection=False
AutoTrim=False
[SIM]
SYSCLOCK=0
[STARTUP]
DEMO=0
SHOW_OPENING_SCREEN=1
STARTUP_DEMO=
LoadWindow=1
[FACILITIES]
COUNTRY=
STATE=
CITY=
GTL_BUTTON=1304
[Misc]
Com_Rate=7
[MAPVIEW_MAP]
SHOW_AIRPORTS=1
SHOW_VORS=1
SHOW_NDBS=1
SHOW_APPROACHES=1
SHOW_INTERSECTIONS=0
SHOW_VICTOR=0
SHOW_JET=0
SHOW_AIRSPACE=1
SHOW_FLIGHTPLAN=1
SHOW_WEATHERSTATIONS=1
SHOW_WEATHERSYSTEMS=1
SHOW_DATATAGS=1
SHOW_TERRAIN=1
show_flight_history=1
[BUFFERPOOLS]
poolsize=0
[DISPLAY.Device.AMD Radeon HD 6800 Series.0.0]
Mode=1024x768x32
TriLinear=1
AntiAlias=1
[MULTIPLAYER]
AccountLogin=0
condAccoutPassword=0
LanUsername=Millet Hugo
IP1=46
IP2=9
IP3=84
IP4=95

Desoler c'est long  ::)
Je remercie d'avance car je sais que c'est pas top a regarder  :-\
cordialement