cant play games after downgrading windows 8.1 to windows 7 home prem

[GuarDian00]

HP 2000 NOTEBOOK PC 2000-2D70DX
#AMD QUAD-CORE A6-5200 ACCELERATED PROSSOR
#750GB HARD DRIVE
#4096MB DDR3 SDRAM

after downgrading I cant play elite cabal
its start but it closed 0.001 seconds

what should I do
and I realize something look athere

 

[B3ShO]

did u download all support programs after downgrading ?

 

[GuarDian00]

nope

 

[GuarDian00]

by the way tnx 😀 I download AMD catalyst control center and its work....now I can play cabal