[newbe]

I have just purchased an off-lease computer from an online warehouse company. The computer is a Dell Inspiron 530, with integrated graphics and 2gb DDR2 Samsung RAM. Once my computer has been running for about half an hour or so, it will lock up for...

I have just purchased an off-lease computer from an online warehouse company. The computer is a Dell Inspiron 530, with integrated graphics and 2gb DDR2 Samsung RAM. Once my computer has been running for about half an hour or so, it will lock up for about 7 seconds, then unlock for a bit, repeating this process. A reset will fix this problem temporarily. In between lockups, I managed to get into the task manager and under the "Performance" tab, every time it locked up, the usage of my first core would skyrocket to 100%, the second core showed no jump in usage. I could not pinpoint the process which is causing this because each time a lockup would occur, under the "Processes" tab, it would read no spikes in CPU usage.

I have removed one of the sticks of RAM to see if it was the culprit. If the lockup occurs again, I will try to replace the stick I left in with the on that I removed. I am actually using the computer on which this problem occurs, running with only 1 RAM stick. It seems to be working for now. But I have a feeling that a lockup will occur again shortly. Any help or info would be appreciated.

I have uploaded a screen shot of Task Manager at the time of a series of lockups. Here is the link: http://i223.photobucket.com/albums/d...relyt/asdf.jpg