I recently purchased a Dell inspiron 6400 notebook about 3 weeks ago (actually i bought it over a month ago but it was a christmas present so i didn't start using it till christmas). And earlier this week, i got a disk read error. I ran the diagnostic tools and i got an error code 0142. The weird part it, it will boot if i leave it running for a while, almost like it needs to warm up first. The longer it has been running, the faster it will load up. After its been running for a while, i can turn it off for an hour or so and it will load fine. But after i leave it off for an extended period of time, i get the disk read error. I assume the hard drive is failing? But its only been in use 3 weeks, its kind of disappointing it would fail so soon. Will the hard drive eventually not boot up at all? Or what is the problem. I would assume if the hard drive is defective, it wouldn't load at all. Any ideas what is wrong?

Again, error code 0142.

Thanks