NEED HELP on CIVILIZATION 3
 

i am having problems on CIVILIZATION 3.... i already had the 1.29f patch and crack... but when i play the game... my monitor turns off and system unit seems going crazy oftenly on year 2900bc... i really wanted to play the game... can som1 help me on this???

my specs( old already )

pentium III 500Mhz 256 Ram NVIDIA TNT2 RIVA video
Windows ME

wats wrong??? tnx... in advance