Several BSODs since 9/3/2013 - Memtest and Dell diagnostics both pass.

There is no specific program or event when the bluscreen/freeze/shutdown occurs.The bluescreens and shutdowns appear to be random. The freezing only happened once. One time Microsoft Word was the only thing open, the other facebook, others just general browsing.

I tried running the Toshiba hard drive tool in Windows even though their site doesn't list Windows 7 as being compatible. I could see the drive in the list but, not select it. So, I tried the dos version. The dos version couldn't detect the drive at all. I am wondering why I even need to run this tool as it appears to do the same exact thing as what the Dell Diagnostics does. I feel like I am taxing the hard drive when I run test after test on it.

I have attached the requested screenshots.

Netman, I honestly can't say for sure, but I really doubt checking a hard drive for errors damages it. The Crystal disk info shot, does not check it. It simply reads the AMART readings given off by the drive itself. Dell uses many diffferent brands of drives and has to use a generic hard drive test. The manufacturer's test is much better. They made the drive, so should know the specifics of what to look for. One of your dumps pointed to the hard drive specifically. So, that is why I was looking at the drive. I hope that explains it a little better.

The screenshots you posted look OK. I hope you are monitoring your CPU temps. Also, please use this tutorial and fill out your system specs. It will help us to help you. System Info - See Your System Specs

All of the tests you've run so far have found no problems. Either the core temp, for CPU temps, or cupid HW monitor Koolkat linked to will show your CPU temps as well as the GPU temps. Please keep an eye on those and let us know what they are reading. How often do you have the BSODs? Have you ever used Linux before, or do you have an extra hard drive? I ask because I'd like to seperate the OS from the hardware as much as I can. You can use a live linux distro that runs from ram and the OS on your hard drive is not involved at all, but all of your hardware is. But, Linux is a lot different than Windows and many windows users find it difficult to use.

I'm sure you realize my thinkng with Linux. Running a live SO would seperate the hardware from the OS as much as is possible. If it runs without shutdown on the live ISO, it should indicate something in the windows installation or the hard drive itself. If it crashes during use, then it indicates a hardware problem. Failing that, do you have a spare hard drive you could do a clean install on?. I would try a minimal install, only what was necessary for it to be functional. See if you get a shutdown then. I'm really not familar with the Occult test. I use Furmark or run benchmarks with Mark 3D 11 or Ungine Heaven. The occult test screenshot you showed looked strange to me. Everything was jumping up and down. But, that may be the way the test is structured. If you think video, GPUZ is excellent. Create a folder on your desktop and name it whatever you want. Open GPUz and click the sensor tab. At the bottom of the page is a checkbox named log to file. As soon as you click that a dialogue box will appear. Navigate to the new folder you just created, then run a graphics intensive program or benchmark and hope it BSODs. When finished, uncheck the box in GPUz and open the folder you selected. Almost everything about the graphics will be logged there in about 1 second intervals. If it does crash, you will be able to see exactly what happened.

As I'm sure you know, you can spend weeks running down the problems and then fixing them if it is a problem with Windows or drivers. It can be much quicker to do a clean install. That's why I was asking about another hard drive. If it runs fine, you are pretty much assured it is something in the windows installation or the drive itself. It would be a much quicker test than 'chasing rabbits'. I do a lot of testing and other things on my computer and mess it up quite often. If something happens that I can't easily fix, I will do a clean install very fast. As a matter of course I usually do a clean install every couple of monthe for that reason. But, a spare hard drive with a minimal clean install would let you know a lot.

One thing that hasn't been mentioned is the power supply. That could cause exactly what I understand is happening.

netman, please keep us informed of your progress and what you have elected to do. First and foremost, I think we need to seperate a software or a hardware problem. Just keep us advised, please.

Well, maybe you could find a restore point to before the problem started and try that and there is also a repair install (Repair Install). Some people have has success with it, but I never had. I only assume it comes down to what is wrong with it. But, it could be worth a try.

I thought of System Restore. Unfortunately, it was not enabled. I also thought about a repair install but, things seem to get messed up more when doing that. Might as well just re-install.

Right now, I am waiting to see if she is going to have any more problems. If so, I'll just re-install Windows as I am tired of dealing with it.

Thank you all for your help.

Hope everything works out for you. If you need any assistance, we will be right here. Just curious why she has issues and you don't with that computer.