Vintage Rever laptop with bag.

ONLY FOR PARTS. PLASTIC IS ROTTED AND FALLING APART IF YOU BARELY TOUCH IT

Screen back comes off and the whole screen. It intended to be used for projectors for corporate meetings. It would normally come with a wire to connect the screen to the laptop so you could set the screen onto a projector to project the screen image onto a projector screen.

Give me keyboard error, im not able to get into the BIOS

Power adapter not included. You can buy online by searching "4 pin 24v power adapter"