Emachines T3508

I have a emachines T3508, And I Can’t turn off the onbord graphics card from any controlls inside windows and Not in Bios. its verry limited after update… i have a BFG Geforce 5500FX graphics card and when i uninstall the ATI radein x200 and install geforce driver and the graphics card. it seams the ati is still running …hences i didint disable it… well i cant… i have no options to do it in… thru hardware i cant click and disable it cuz i tryed it dose it and sez it is… but when i install the geforce ect… its not on the list notmore… and sez its not there… but i cant even open 3D app’s with out the pc laging to hell. it wont play NWN2 at all even the logo loading lags badly hardly even plays video at all takes like 10 mins to get to start screen… but with onbord it plays fine other then lagging bc its onbord and has crap FPS. ect… anywase i was wonderin if anyone could help me install this graphics card? i contacted BFG and Emachines either will help… they say its the others problem… :frowning: basicaly… x.x please help?
here are some pc specs…

Mainboard : Intel D101GGC
Chipset : ATI RS400/RC400/RC410
Processor : Intel Pentium D @ 3333 MHz
Physical Memory : 1024 MB (2 x 512 DDR-SDRAM )
Video Card : ATI RADEON XPRESS 200 Series
Hard Disk : WDC (80 GB)
DVD-Rom Drive : HL-DT-ST RW/DVD GCC-4120B
Monitor Type : COMPAQ - 16 inches
Network Card : Realtek Semiconductor RT8139 (A/B/C/810x/813x/C+) Fast Ethernet Adapter
Operating System : Microsoft Windows XP Professional 5.01.2600 Service Pack 3
DirectX : Version 9.0c (May 2008)

Manufacturer : GATEWAY
Mainboard : Intel D101GGC
Bios : Intel Corp.
Chipset : ATI RS400/RC400/RC410
Physical Memory : 1024 MB DDR-SDRAM
LPC bus : Yes
PCI Bus : Yes
AGP Bus : Yes
USB Bus : Yes
SMBus/i2c Bus : Yes
Bus HyperTransport : No
Bus CardBus : No
Bus FireWire : No

Processor : Intel Pentium D
Frequency : 3333 MHz - (current : 3334.04 MHz)
Number of Core : 2
Support : Socket 775 LGA
Data Cache L1 : 2 x 16 KB
Trace Cache L1 : 2 x 12 Kµops
Cache L2 : 2 x 512 KB
FPU Coprocessor : Present
Core 1 Activity : 4%
Core 2 Activity : 0%

Number of monitor : 1
Monitor Type : COMPAQ
Video Card : ATI RADEON XPRESS 200 Series
Current Display : 1024x768 pixels at 85 Hz in True Colors (32-bit)
OpenGL : Yes
GDI Plus : Yes

Port installed : Printer Port (LPT1)
Port installed : Communications Port (COM1)
Port installed : Standard OpenHCD USB Host Controller
Port installed : Standard OpenHCD USB Host Controller
Port installed : Standard Enhanced PCI to USB Host Controller

Power Status : Yes
Battery : No
Supply : Main supply
Active Power Scheme : Home/Office Desk
UPS : No
ACPI Tables : 7

I found this Thred… I duno if it is of any help… :confused: i Have no idea what its talkin about relly. i not that computer knowing… but maby it will adress my issue? or give some hint?..