Today I'll be walking you through the process of fixing your BSOD's. This tutorial will be primarily concerned with software causing BSOD's, but it will include basic steps to solve hardware caused BSOD's.

Beginners:
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Install it and run it, then click the big analyze button, it'll give you a nice reading of what most likely caused your crash! However, it's not always 100%, but it does give a nice layout.

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Advanced:
Part 1: BSOD's when you can get back into Windows

So if you can boot back into Windows you'll want to look here. First you'll need a bit of software called Debugging Tools for Windows, this will allow us to look at the dump files Windows makes. You can download it [ Register or Signin to view external links. ] ( [ Register or Signin to view external links. ] ).

Once you have that installed you'll want to go ahead and launch it. Go to File--> Open Crash Dump...

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Next Navigate to C:\Windows\Minidump and open the most recent dump.

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You'll be presented with a new screen with a lot of text. Scroll down all the way down to the bottom and you'll see a line that reads: Probably caused by:, followed by a filename. This is the problem file. You'll want to look into this file/program and see if there is a new updated version, or just uninstall it.

This isn't always 100% accurate, if the drivers are also a problem, this could take you in the wrong direction. So two suggestions, always keep your drivers updated, and even if it is your drivers, just Google what's causing the BSOD and there is a good chance someone else has already had the problem, and hopefully also already found a solution.

Part 2: BSOD's when you cannot get back into Windows

When you get a BSOD, there will be a STOP error that is this:
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This means you need to see the blue screen and read the details from it. Unfortunately Windows will automatically reboot when a STOP error occurs. This way Windows can recover from the BSOD error.

1. Go to Start menu and open the Control Panel.
   
2. Go to System and Maintenance.
   
3. Then, select System.
   
4. Now click Advanced system settings in the task panel on the left-hand side.
   
5. In the System Properties dialog box, under Startup and Recovery, click the Settings button.
   
6. In the Startup and Recovery dialog box, clear the checkbox named Automatic restart under the System failure heading.
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7. Click OK twice to close the dialog boxes and then close the Control Panel.
   

Now Windows won't longer restart when a STOP error happens, so you can see and analyze the STOP error being shown on the BSOD.

Here's a list of all stop errors:

Go ahead and google, the cause of the problem because of the STOP error, and hopefully you can then fix it. (For me it was once a SATA cord was kinked)

Part 3 : The OverClockers BSOD code list

BSOD codes for overclocking
0x101 = increase vcore
0x124 = increase/decrease vcore or QPI/VTT...have to test to see which one it is
0x0A = unstable RAM/IMC, increase QPI first, if that doesn't work increase vcore
0x1E = increase vcore
0x3B = increase vcore
0x3D = increase vcore
0xD1 = QPI/VTT, increase/decrease as necessary, can also be unstable Ram, raise Ram voltage
0x9C = QPI/VTT most likely, but increasing vcore has helped in some instances
0x50 = RAM timings/Frequency or uncore multi unstable, increase RAM voltage or adjust QPI/VTT, or lower uncore if you're higher than 2x
0x109 = Not enough or too Much memory voltage
0x116 = Low IOH (NB) voltage, GPU issue (most common when running multi-GPU/overclocking GPU)
0x7E = Corrupted OS file, possibly from overclocking. Run sfc /scannow and chkdsk /r


I hope I helped, you and if you have any questions just ask.