Question about Dell Latitude D620 Notebook

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My laptop is showing a big black screen

How can I fix this?

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  • 43 Answers

Depends, it could be your backlight , shine a flashlight on it, if you can see stuff its just the backlight, if not it could be the onboard graphics which would mean calling dell fora repair or taking it into a shop but first pwoer reset it by unplugging it and popping out the battery, then hodl the power button for 1 minute and replace the battery and power cord, hopefully it boots right up

Posted on Jan 24, 2009

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1- Try to start your laptop in safe mode, normally Pressing F8 key when windows starts up
2- After that Update drivers for your hardware from the site of your Laptop manufacture. Once there enter the model number OR service tag of the laptop then request driver (usually found in the web site's "Support Section"). There you should be able to find all the drivers for your model laptop. Most black screen are hardware or driver related so updated drivers could fix the cause of the STOP error.
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Sounds like the screen is going bad. Isolate the problem by plugging an external monitor to the laptop. Borrow a monitor from a neighbor, friend, relative or co-worker to plug to the laptop. It can be any kind of monitor even the old big fat crt monitors as long as it has a vga cable to connect to your computer's vga port. If the Borrowed monitor does not show the black bar on the right side of the screen that proves your video card is ok and the problem is your lcd screen. If the borrowed monitor shows the same black bar on the right side of the screen it means your video card inside the computer has the issue.

The video will show on most systems when you reboot without you having to do anything. Some systems will require you to hit the FN (Function key) + F1 thru F12. Hold down the FN key then hit the correct key for displaying on the monitor (F1 thru F12). The correct key will normally have CRT/LCD on it or it will have the icon of a display.

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Do you hear fans running, the hard drive spinning?
Does it seem like your laptop is booting up all the way except the screen is black? If so try the steps below:

Shine a flashlight on the dark screen to see if you barely see the icons on the desktop. If so, then the LCD Inverter is bad.

Plug in an external monitor and see if the display shows up on it. It can be any kind of monitor even the old big fat crt monitors as long as it has a vga cable to connect to your computer's vga port. If so that proves your video card is ok. The video will show on most systems when you reboot without you having to do anything. Some systems will require you to hit the FN (Function key) + F1 thru F12. Hold down the FN key then hit the correct key for displaying on the monitor (F1 thru F12). The correct key will normally have CRT/LCD on it or it will have the icon of a display.

If you see no icons by shinning a flash light and the external monitor works, then your screen is bad. If you see no icons by shinning the flash light and nothing shows on the external monitor, then most likely your video card is bad.

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1 Answer

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how big are the black spots? are they pixel size? i have one black spot too but its called a "dead pixel" when ya buy laptops these days, sometimes...they will have a dead pixel gaurentee for like 25 dollars, but i didnt choose that so now im stuck with one annoying dead pixel on my 5 thousand dollar laptop but im fine with it i guess. when my screen gets bad, im rich enough to just replace the whole screen anyway. dead pixels cant be fixed i dont think just replaced by the whole screen.

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use the F8 button before windows starts. as the laptop show the manufacturer's screen. keep tapping it gently and fast until you get froted with the bootup options screen. Select whichever option reads the word "VGA" in it. Then it will boot into windows. Enter the multiple screen setup (could be hard given that screen could show all icons and windows big) and select proper settings. Restart the PC and ensure the options remain active.

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If you connected the laptop to an external monitor via VGA and the display, then it is not "an NVIDIA GPU defect" .

The video chipset connected to the LCD screen is the same connected to the external VGA port, and is working fine since picture is OK on monitor.

More likely the problem is either LCD ribbon cable, or LCD display, the fact that the backlight is working means that the inverter is also working.

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