A blank blue screen on a computer is never a welcome sight. It means that something has caused the computer to crash so badly that immediate steps must be taken to restore the system.
BSOD | Troubleshooting and Fixing *EVERY* Windows Blue Screen of Death
The most important step you can take to fix the Blue Screen of Death problem is to ask yourself what you were doing just before the device stopped working.
Did you just install a new program or piece of hardware, update a driver, install a Windows update, etc.? If so, there's a good chance that the change you made caused the BSOD.
Undo the change you made and retest for the STOP error. Depending on what was changed, some solutions may include: