i'm not getting an error message at all. right after the initial load happens a screen pops up for a split second but you can't read anything on it. like i said before it's sideways and squiggly. nothing was wrong with this computer before i took out my old hdds and put in this other one. video card, mobo, power supply, cpu all fine. again last week i booted it up without a problem. one could take that info and say it's the hdd that's the problem. if that's the case i should be able to get into bios or boot setup. it won't let me into bios. i hit F12 non stop when it first comes one and it just beeps every time i hit it. then just goes to a black screen and does nothing and then POST eventually gives 2 beeps and that's it. the make of the computer is a dell d/4600. no the CMOS cell hasn't been changed