Laptop was dropped and screen is white now

Problem description:

The laptop was dropped and the screen is white now. Video on the external monitor works fine but the laptop screen shows only white color, nothing else.

Possible cause:

1. Video cable disconnected from the LCD screen.
2. Damaged LCD screen.

Possible troubleshooting steps and repair solution:

1. Check connection between the video cable and LCD screen. It’s possible that the video cable got disconnected when the laptop was dropped. Try reconnecting the video cable first. Make sure the video cable seateed all the way down into the connector on the back of the LCD screen.

2. If reconnecting the cable doesn’t help, most likey you damaged the LCD screen. The screen has to be replaced.