If there is still no picture, then it is bad. If it works then you need a video card driver re-install. hollyavila, No, the
inverter changes dc to ac to operate the backlight. the video card is another component and may be an add-on card or built into the
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backlight or
inverter Hi, my Dell 6400 laptop has a screen which is dark but images can be seen dimly.occaiionally the screen will boot up and work
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That would be the backlight. If it were an
inverter issue then you wouldn't have any video at all. http://www.fonerbooks.com/laptop_5.htm It sounds like it's in the process of going bad. Think of it like
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you need to get the
inverter changed out. Thats the part that changes DC to AC and powers the backlight I couldnt find any repair manuals for your laptop. Here
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Mike, The problem with your laptop is the
inverter board. This part changes the DC to AC to power the backlight. Please list the manufacturer and model of your laptop and I will
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you likely have a bad
inverter lamp driver. test this by shinning a light on the screen at an angle and you should see the desktop icons. you will find
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Do you hear any sound when you boot the unit? if so the LCD
inverter is most likely the case.. Try connecting a External monitor to the unit and boot the unit. If it works you will see a
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