A dark spot in the middle of the LCD display screen.

Pinpointed spots can be damaged pixels that no longer light up when energized. They cannot be repaired and you will have to live with them, or get a new display. Try to use the Color Adapter port to a standard LCD Screen. On the side of the computer is a small 9 pin (usually blue) port whereby you can attach a desktop monitor as an alternative to the LCD Panel on the laptop.

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Yes! the inverter board is the most likely problem, on rare occasions the back light display behind the LCD screen is an issue but uncommon.

If NO display at all then the problem with the motherboard, especially Display Chip(graphics). If it shows the opening dell Logo then remove the RAM and replace with new one. best of luck. and keep smiling

it sounds like the lcd inverter is gone. if your local repair shop keeps spairs you will be in look if not you will have to contact dell and get the part sent out to you

Your graphics card adapter is damaged!
buy a new card to your dell laptop
and let someone with experiense change it.
This is your solution! Please vote!!!

Most probably your LCD screen has got spoiled and the liquid has leaked making the screen blank. Remember our old calculators, how its display changed colors(black) when pressure was applied on it?.....sodeep

Looks like the backlighting on the display has failed, sometimes it is just a lose cable, buy most often the LCD needs to be replaced.

to check the cable see the manual at http://support.dell.com/support/edocs/systems/ins9400/ for how to get to the LCD cables (usually just under the cover that the power button is on)

http://support.dell.com/support/edocs/systems/latd810/sm/x300/display.htm#wp1001090

Hope this link works for you.

If you?re positive that the black spots aren?t dirt or scratches on the outside of your screen you are probably dealing with dead screen pixels. Short of replacing the LCD screen there is no way to repair them.