Disclaimer: I received this book for free through the O’Reilly Blogger program. is a very short “book” on RFID (Radio Frequency Identification), a way to tag and identify objects over varying ranges, and how to use Arduino to create a few interesting RFID projects.The book assumes that you have some experience with Arduino and micro-controllers (i.e., do you know what a breadboard, jumper wires, and circuits are? We start with a very brief introduction to RFID, follow up with two introductory technical tutorials on Arduino, and end with a fairly simple home automation project: Between my officemate and me, we have dozens of devices drawing power in our office: two laptops, two monitors, four or five lamps, a few hard drives, a soldering iron, Ethernet hubs, speakers, and so forth.If you see the same garbled video output on the external monitor most likely it is not the LCD screen problem.
Look at the LCD screen very closely and check if you can see a faint image on the screen.
It’s possible that the LCD lid close switch stuck in the “closed” position and the backlight stays off even when you open the LCD screen or turn on the laptop.
This project is a system to reduce our power consumption, particularly when we’re not there.
When either of us comes into the room, all we have to do is tap our key fobs on a reader mounted by the door, and the room turns on or off what we normally use. The reader by the door reads the presence or absence of the tags.
Even when we’re not here, the room is drawing a lot of power.
What devices are turned on at any given time depends largely on which of us is here, and what we’re doing.
If it doesn’t help I would try to replace the FL inverter board.
Most likely it is just a bad connection between the LCD display and the system board.
I understand that these tips will not cover all video problems with portable computers.