Dell N5050 black screen Windows 10

Dell Inspiron N5050, does not work correctly after installing or upgrading to Windows 10. Connect an external monitor to the VGA connector on the laptop. You can now use your computer with the attached screen. Connect to the Internet. Type dell support, Type your Dell service tag number (printed on the bottom of the computer), or perform automatic search of your machine, then look for the BIOS update, the latest of which is A05. Download and run the update program BIOS "Make sure your computer is plugged into AC power and not turn it off." After the update, your computer restarts. You can now unplug the external monitor, the display of your laptop will now work. Please Subscribe, put "I like" and leave comments :-)