The '''blue screen''' is an '''error screen''' displayed on a Windows computer system following a fatal system '''error'''. Did you see any error code with the blue screen?
If the computer is completely dead, you still have a chance to recover date stored in it.
https://www.minitool.com/data-recovery/dead-laptop-hard-drive-recovery.html
https://www.minitool.com/data-recovery/recover-files-from-broken-computer.html