That's called a warranty issue and shouldn't make you work hard as you call it in for it to be repaired.
i just bought a new computer,it is a windows xp system, howeverm the thing is that whenever i log on something goes wrong. what happens is that whenever i click something everything else on the desktop just vanishes. i tried many things to fix the problem but nothing has worked. now i have use alt. ctrl. and del. click on run a file do actually do anything usefull. what should i do to try and fix this problem?