my laptop is turned on but my screen won't work.
Dell Latitude E6400 has a Privacy Screen feature
If a laptop fell and now the screen is covered with colorful vertical lines, the LCD screen cannot be fixed. However, the screen can be replaced to restore the laptop back to working condition.
The screen size of the laptop was 12 inches long diagonally.
Almost all laptops have a VGA port for an external screen. Normally, the port has to be enabled by pressing the function key with F4, F5 or F7. There will normally be a small icon of a screen on the relevant key but refer to the manual to be sure. Virtually any VGA screen should work with any laptop.
Get a laptop!
This laptop has a Good size 17 inch screen with 1920 x 1200 resolution.
Over heating... Constant use without shutdown. Here's an article http://tshoots.blogspot.com/2009/04/screen-flickering-problem-toshiba-dell.html and http://www.tshoots.blogspot.com
A tablet laptop is a different concept to a regular laptop. They are both great electronics but a tablet laptop can do a little more than a regular laptop. Such as, touch screen capabilities and the screen can move 360 degrees.
install the webcam and place it on top of the monitor
Your screen connector or your screen is failing in the laptop.
This will not work from a phone. It will mirror the screen from your Laptop onto your HDTV.