bluescreen on hp pavilion dv6

hello guys been getting a few bluscreens on my laptop. any idea what these mini
dumps mean? i've recently installed a new heatsync and fan but everthing has been fine up till tonight when the bluescreens happened. any help would be great, thanks

 

Hi Alex,

It could be caused by a number of things, that text output is rarely useful. Collect and attach some data for us to work with; read and carefully follow the instructions here and attach the requested zipped folder to your next reply.