download and install WhoCrashed from here
This program checks for any drivers which may have been causing your computer to crash....
click on it...then run
...put a tick in accept
..put a tick in the don't create a start menu folder
...put a tick in create a desktop icon
.. then make sure there is a tick in launch whocrashed
...then click Analyze
if you get a message
This software requires the right version of Windows Debugging Tools for your type of computer. Because this is not normally installed and is not redistributable, we suggest you select the download option from below. Then the right package will be downloaded to a temporary folder and the required files will be extracted from the package automatically. You only need to do this once
click on download then try running it again
WhoCrashed will create report...you have to scroll down to see it
Copy and paste it into your next reply..