Bsod is a registry problem/faulty or loose ram hardisk or videocard. First reinsert all those 3 or if u havd any spare ram change it. And reinsert after that try it if bsod still occurs. If still. Dowload a registry reviver look for any full ver. Or ***** on the net. And repair the registry. That will do. If still occurs maybe a problem on the ram socket or a bad harddisk . Also try to reformat your pc.
Pwede ka po ba mag dagdag ng info? like anu ginagawa sa laptop bago mag black screen? anu computer model at operating system? saan po nag ba black screen? before or after bios screen/logo splash screen?