flicker on my graphic card?!?

[nMiraf]

after 2 month my graphic card going flickering
so i return to my original clock
but it did'nt work
now what can i do to my graphic card
buy one again or can i correct this

[cs, 3dmark 2001, warcraft III didn't run]

^-^ oh i'm so tired help me please?

 

[rubikian]

What kind of graphic card are you using? Try to get the latest driver for a fix...

 

[nMiraf]

geforce 2 mx 400 [pixel view]
this is beccause i overclock it
can i back it to at first i buy it????