This compounded with the Ubuntu check has led me to the diagnosis of a corrupt boot sector.
The computer had been running Vista Home Premium without issue until a few months before this corrupt boot sector problem. In these months, the OS would run as normally for an hour or so and then crash with a the error of "IRQL not less or equal". The only corrective measures I took at the time were to install the latest video card drivers.
I'm guessing the easiest way to fix the boot sector would be using the installation disk. However, the one I currently have in my possession in not an official installation. It is a customized version that has been optimized to a size of 700MB. The custom install can be found by searching for "Vista Ultimate SP1 Lite". A full, official disk in the process of reaching me, but in the mean time I would like to try using this one.
The above KB article says to click Repair Computer at the installation window, but no such option is present. The steps I take are the usual selecting of keyboard settings and entering product key, but I am stumped after all that. From that point on I am to choose the drive or partition and an action, but as there is no partition table the installation is listing it as blank/unformated.
At the moment I am running Memtest to check for RAM errors with Ubuntu Live on the machine.
Edited by Darlyn, 12 August 2009 - 06:54 PM.