The display of laptop is very needed to interact and to control your computer. If it is not operating properly, you will not be able to use it. It is just like a computer and so like computer it can also have software and hardware problems which can affect the laptop display. Before taking decision to carry the laptop for repairing, it is better to check the display. First examine the power cord and laptop’s battery. If there is no power, the display will not function. This will happen when the power cord is unplugged. So you have to make sure that your laptop has power on batteries and power cord is plugged.

Most of the laptop will turn off if the battery is used after a long period of non use. Just make a touch on any key will turn the display if the battery still has power. Again restart your laptop, If any program is malfunctioning or stuck, it may result in display not functioning. You should press and hold the power button to restart your laptop. It is due to malfunctioning, and then the display will turn on after you restart your laptop. It is also good to test the level of brightness of your laptop if you are not getting display on your laptop. The control key for brightness is seen in the key F9 and F10. You can press these two keys to raise the level of brightness in your laptop. You can also try Fn key by pressing the UP Arrow key to raise the brightness level. When you are having problem that your laptop display is not functioning, you should examine the display closed switch.

 Most of the laptops contains little button which senses if the LCD screen is closed and makes the laptop in the hibernation or sleep mode. If your laptop switch is clogged with any dust or dirt, there is lot of possibilities to get stuck in that closed condition. It will lead to have dark display when the lid is open. You can see the switch close to the hinges of the lid. You can use some spray of compressed air to clear the dust or dirt. Your laptop will come in to normal position after performing this. It is also good to check and clean your laptop and its switch frequently to prevent this display problem. it also helps to have a neat and cleaned laptop to use. Plug the exterior side monitor to the laptop.

When the issue is not concerned with any software problem, then the outside monitor will automatically display the screen of the laptop. By connecting the monitor in to the HDMI, VGA or DVI port on the laptop through plugging, you should press and keep your finger on the FN key and by press F8 key also. The video result will be given to the outside monitor if your laptop has a hardware problem. Check your laptop display by all these directions, even all these checking, if you found any problem on the display screen, you can contact the professional to repair your Toshiba laptop display not working problem.