Screen goes black after installing graphic card

[Shahriz]

hi...i have install Asus Ati 5450 1gb graphic card on my pc...
3.0 ghz
dual core
2gb ddr2 ram
n asus motherboard...
after installing it when i restarts my pc the screen goes black...bt ma graphic card works on my friend's pc whose having ddr3 motherboard n i having ddr2 motherboard...cn anyone hlp me plzzzzzzzzzzzz

 

[scout_03]

what are the name and model of the other parts psu motherboard

 

[Deemo13]

Do the motherboard graphics work when you put the graphics card in?