[SOLVED] new pc

oke guys my pc runs black ops fine but sometimes lagg but i think i gonna buy a new pc but my pc is fine but is it cheaper to buy a motherboard and a new procesor ore is that imposeble because my vidoe card and the rest of it is all fine can somebody mayby help me

hmm English is good to buy for starters,
lol jks,

if your lagging heaps, its maybe not every pc part you have combined together.
it may be small things, anything that is old our outdated for current games should be upgraded, maybe you joined a bad server with high ping = lag.