help with win xp

[halo]

hi all, i just but in a new graphics card and it worked with a problem for a few days but then all of a sudden a memory dump occured and now everytime the pc starts up i get an error say my system has recovered from a serious error and is linked to a file called minidump in my windows folder. what do think the problem is? ( the system still runs fine)

[RuadRauFlessa]

Start at a point and clear your system logs from the Event Viewer and restart your system. See what it does and report back and we can propably take it from there.