My MacBook screen is black and the keyboard is working what should i do?

Jamalrashed wrote:

https://discussions.apple.com/content/attachment/90dd2f24-bd82-431c-8028-4ed2ba5840b3

You can test by using an external monitor...(?)

This will tell if your GPU is working, therefore could isolate the issue to the internal display or projector cable.

Go from there, before you get too carried away.

Learn how to get your Mac fixed and how much it will cost. https://support.apple.com/mac/repair/service

Get your Mac ready for service - Apple Support https://support.apple.com/en-us/HT209095

In or out of warranty you can get a free over the counter 'Apple Service Diagnostics' test /assessment

Make an appointment for a "hardware issue"—

https://www.apple.com/retail/geniusbar/

Outside the USA

https://locate.apple.com/country

See if you qualify here:

Service Program—

https://www.apple.com/support/13-inch-macbook-pro-display-backlight-service/