Bonjour, j'ai un petit problème consernant mon jeu Battlefield Bad Company 2 : le jeu ram alors qu'avant ça Ramait pas 
voilà ma config
Système d'exploitation
Windows 7 Edition Familiale Premium (x64) (build 7600)
Navigateur web par défaut: Pale Moon project
Client e-mail par défaut:
WinSAT
Note Générale 4.1 (Processeur: 4.1, Mémoire vive: 5.9, Graphiques: 7.6, Graphiques de jeu: 7.6, Disque dur principal: 5.9 )
Carte mère
SMBios version 2.5
ASUSTeK Computer INC. M4A79XTD EVO Rev X.0X
Bios: American Megatrends Inc. 0704 11/25/2009 taille: 1024Kb
Chipset
Northbridge: AMD 790X
Southbridge: AMD SB700
Processeur
AMD Phenom II X6 1055T Thuban Socket AM3 (938) (@45 nm) 800 Mhz ( L1I: 6 x 64 Ko, L1D: 6 x 64 Ko, L2: 6 x 512 Ko, L3: 6144 Ko )
Mémoire
Mémoire physique totale: 4096 Mo, Type: DDR3, @666.6MHz, 9.0-9-9-24-2T
DDR3 Corsair CMD4GX3M2A1600C8 2048 Mo PC3-10700H (667 Mhz)
DDR3 Corsair CMD4GX3M2A1600C8 2048 Mo PC3-10700H (667 Mhz)
Carte Graphique
Radeon HD 5870 (RV870,,1024 Mo)
Lecteurs CD/DVD
Optiarc DVD RW AD-7243S 1.03 (DVD+R/DL Recorder)
BOBYBOP XIBCXMZCL 1.03
Disque dur
WDC WD64 01AALS-00L3B2 SCSI Disk Device
Cartes PCI/AGP
Stockage
ATI Technologies Inc:SB700/SB800 SATA Controller [IDE mode]:
ATI Technologies Inc:SB700/SB800 IDE Controller:
Marvell Technology Group Ltd.:88SE6121 SATA II Controller:
Réseau
Realtek Semiconductor Co., Ltd.:RTL8111/8168B PCI Express Gigabit Ethernet controller: M4A785TD Motherboard
Affichage
ATI Technologies Inc:Radeon HD 5870 (Cypress):
Multimedia
ATI Technologies Inc:SBx00 Azalia (Intel HDA): M4A785TD Motherboard
ATI Technologies Inc:Cypress HDMI Audio [Radeon HD 5800 Series]:
Ponts
ATI Technologies Inc:RD780 Northbridge only dual slot PCI-e_GFX and HT1 K8 part:
ATI Technologies Inc:RD790 PCI to PCI bridge (external gfx0 port A)
ATI Technologies Inc:RD790 PCI to PCI bridge (PCI express gpp port C)
ATI Technologies Inc:RD790 PCI to PCI bridge (PCI express gpp port D)
ATI Technologies Inc:RD790 PCI to PCI bridge (PCI express gpp port E)
ATI Technologies Inc:SB700/SB800 LPC host controller:
ATI Technologies Inc:SBx00 PCI to PCI Bridge
Advanced Micro Devices [AMD]:Family 10h Processor HyperTransport Configuration
Advanced Micro Devices [AMD]:Family 10h Processor Address Map
Advanced Micro Devices [AMD]:Family 10h Processor DRAM Controller
Advanced Micro Devices [AMD]:Family 10h Processor Miscellaneous Control
Advanced Micro Devices [AMD]:Family 10h Processor Link Control
Bus Series
ATI Technologies Inc:SB700/SB800 USB OHCI0 Controller:
ATI Technologies Inc:SB700 USB OHCI1 Controller:
ATI Technologies Inc:SB700/SB800 USB EHCI Controller:
ATI Technologies Inc:SB700/SB800 USB OHCI0 Controller:
ATI Technologies Inc:SB700 USB OHCI1 Controller:
ATI Technologies Inc:SB700/SB800 USB EHCI Controller:
ATI Technologies Inc:SBx00 SMBus Controller:
ATI Technologies Inc:SB700/SB800 USB OHCI2 Controller:
VIA Technologies, Inc.:VT6315 Series Firewire Controller:
Périphérique USB
Microsoft Corp. LifeCam VX-3000 (Périphérique USB composite)
Microsoft Corp. LifeCam VX-3000 (Microsoft LifeCam VX-3000)
Microsoft Corp. LifeCam VX-3000 (Périphérique audio USB)
Logitech, Inc. G500 Laser Mouse (Périphérique USB composite)
Logitech, Inc. G500 Laser Mouse (Périphérique dentrée USB)
Logitech, Inc. G500 Laser Mouse (Périphérique dentrée USB)
Logitech, Inc. G11/G15 Keyboard / Keyboard (Périphérique USB composite)
Logitech, Inc. G11/G15 Keyboard / Keyboard (Périphérique dentrée USB)
Logitech, Inc. G11/G15 Keyboard / Keyboard (Périphérique dentrée USB)
Logitech, Inc. G11/G15 Keyboard / USB Hub (Generic USB Hub)
Logitech, Inc. G11/G15 Keyboard / G keys (Périphérique dentrée USB)
Clavier
Périphérique clavier PIH
Périphérique clavier PIH
Périphérique clavier PIH
Souris
Logitech HID-compliant G500 Gaming Mouse
Ecran(s)
Moniteur Plug-and-Play générique(Samsung SyncMaster)
Ps: je mets au maximum mes graphismes (avant ça ramait pas comme je l'ai dis avant )
