HEY SAM HERE I BOUGHT A NEW ASPIRE ACER 5920 AND WHEN I DOWNLOADED A GAME CALL "CALL OF DUTY 4" IT STARTED REPLYING THAT YOUR VGA IS NOT SUPPORTED, AS PER I HAVE A INTEL MOBILITY CARD, WHICH ONLY TAKE THE DRIVER OF INTEL MOBILITY, I JUST WANT TO KNOW CAN I CHANGE MY VGA MOBILITY CARD TO NVIDIA GO 8600m WHICH IS SEEMS TO BE DEDICATED TO MY LAPTOP. SO I CAN RUN HIGH DEFINISSION GAME PLZ HELP AS PER MY LAPTOP IS Acer Aspire 5920 NWLMi Notebook PC Features Intel Core 2 Duo Processor T5450, 1.66 GHz 2-MB L2 cache, 800 MHz FSB Mobile Intel PM965 Express Chipset 2048-MB (2-GB) DDR2 667 MHz SDRAM ( Maximum 4 GB) 160-GB Serial-ATA hard disk drive, 5400 rpm 8x DVD-Super Multi double-layer drive DVD Writer 15.4-inch (39.11 cm) WXGA Acer CrystalBrite TFT LCD, 1280 x 800 pixel resolution Intel PRO/Wireless 3945BG network connection, 802.11b/g Wireless LAN technology Integrated Bluetooth 2.0 + EDR (Enhanced Data Rate) Acer OrbiCam integrated VGA resolution 640 x 480 pixels CMOS camera Dolby surround sound system with two built-in Acer 3DSonic stereo speakers plus one subwoofer Built-in microphone 5-in-1 card reader, supporting Secure Digital (SD), MultiMediaCard (MMC), Memory Stick (MS), Memory Stick PRO (MS PRO), xD-Picture Card (xD) 10/100 mbps Ethernet LAN Connection 56 kbps v.92 fax/modem 1 x Type II PC Card slot AC/MC 97 soundcard and modem 3 USB 2.0 ports, S-Video TV Out 44.6W 4000 mAh 6-cell Li-ion battery, 2.5 hours life Dimension: WxDxH - 364 x 270.2 x 30.8 mm Weight: 2.99 kgs Oprating System:Linux WARRANTY : ONE YEAR MFG. WARRANTY