LAGS!!!LAGS!!!+SysSpecs, Please Help! PLEASE!!!!

my game lags every time i play the exhibition mode (play now).
my game doesn't lag when I play the indivadual practice mode (practice).
it's not happen in the past.
i format my computer but it's still lags.

what to do? can somebody help me?

thanks in advance

Edit:
pentium 1700 mhz
512mb ram
intel d850gb chipset motherboard
radeon 9550 256mb 128 bit
sblive! platinum 5.1
cambridge soundworks dtt 2200 5.1
lg dvd rw
seagate 40gb hd (system)
hitachi 250gb hd (slave)


i used to have a smooth game, then had some problems so re-formatted and reinsalled everything
now, the game lags again.
dont know what to do.

please help me! thanks.

Last edited by Raja19# on Sat Jun 24, 2006 10:09 pm, edited 3 times in total.

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