I just INSTALLED a PNY Technologies nVidia GeForce FX 5200 8x VGA video card into my computer. I have an Athalon 1.99 gig processor; 1.5 gigs of RAM; Windows XP Pro with SP2; Syntax Motherboard sv266m with VIA ProSavage DDR KM266 chipset. I received for father's day a Gateway 19" LCD monitor with 1440 x 900 resolution. I originally got a new video card because I could not find a resolution choice in my device display that said 1440 x 900 and a helpdesk person suggested to upgrade my display adapter. Currently my computer boots up and I get the Windows XP splash screen and then it goes to black - no blue Welcom screen and no access to my computer. I tried changing BIOS settings with the help of a systems administrator friend; tried booting in safe mode; tried failsafe settings to reboot - nada. Same thing - black after Windows splash screen. I tried plugging back into the original VGA port for my onboard display adapter; same thing. Someone suggested my motherboard/chipset may not support the GeForce FX 5200, but somwhow I doubt that, but....any ideas?You may want to shut your computer down...and FOLLOW these steps depending on which graphics display you're going to use...onboard or your new one:

There are two elements to disabling an onboard graphics card and sometimes you need to do both before the system will work properly. First, get your system back to how it was without the new card installed..this includes changing your BIOS settings back to normal. Now go to the Device Manager in Windows, right-click the entry for the driver for your onboard graphics card and select 'Disable’ or 'Enable'...depending on which adapter you're going to use. Apply the changes and shut down your PC. Now insert your new graphics card into the AGP port, if you're going to use it...if not, disregard and carry on as if you were going to enable your onboard adapter.

Boot the PC and ENTER the 'Setup’ menu to access the BIOS (typically by pressing [F2] or [DEL]). Go to the 'Advanced Features’ page and select to 'Disable or Enable Onboard VGA’...again...it depends on which adapter you're going to use. The wording and location may vary according to your BIOS, but you should be able to find it. Press [F10] to save changes to the BIOS and exit. Your PC should now boot recognizing your new graphics card and prompt you to install the new drivers for it in Windows.