The posbilites are:- # loose cable, or bent pins on cable. # loose video card. # burnt out power for the video card chip on mainboard (smells undesirable). # Video card is lifeless. the main undemanding rationalization for this challenge different than for a loose visual demonstrate unit cabel is a loose video card. eliminate the visual demonstrate unit cable from the Video card (returned of laptop),Open your laptop case, earth your self by employing touching the casing then see if the video card is loose, if so push it in. If no longer take it out besides and placed it in returned, blowing the airborne dirt and dirt away (or much extra powerful use a vacuum cleanser to hoover each and all of the airborne dirt and dirt out of your laptop). be sure it sits wisely. placed the cable returned on making particular it suits tight and that no pins are bent, and turn it on. If this doesn´t paintings then try a various video card, even an previous one. IF this works your video card is defective. extra recommendations may be helpfull. IS it a TFT or CRT (tube) visual demonstrate unit? does the laptop run, are you able to take heed to the noise of the flexibility fan and difficult force working? Does it practice the Bios code and video card call while it incredibly is became on, till now domicile windows starts?