Being a desktop, it'll be quite generic i.e if you open the case there'll be a power supply, hard and DVD drive all connected to a mainboard on which there'll be 1 or more strips of RAM, and possibly a video card if it's not built in.
Just methodically go through it all, removing the various plugs and cables, RAM strips and etc (one by one) and replacing them. Clean out all the dust which might have accumulated and retry it. Don't give up on your RAM - if that is the issue it might take several attempts to get them seated properly. Just try one at first if necessary and then another or in another slot, rebooting each time. If you get it running with one, try adding another and rebooting.
Basically, whenever I've come across BSOD errors, the fault has almost exclusively been with RAM. Usually removal, cleaning and reseating, possibly in another slot, has solved the problem.
There is some more specific help with your error code HERE
Try it and see how you get on.
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